Every single hardware driver has the very same implementation of the
dev_list() callback. Put this into a helper function in the standard helper
library and use it throughout the drivers. This reduces boiler-plate code
by quite a bit.

Signed-off-by: Lars-Peter Clausen <[email protected]>
---
 src/hardware/agilent-dmm/api.c               |  7 +------
 src/hardware/appa-55ii/api.c                 |  7 +------
 src/hardware/arachnid-labs-re-load-pro/api.c |  7 +------
 src/hardware/asix-sigma/api.c                |  7 +------
 src/hardware/atten-pps3xxx/api.c             |  7 +------
 src/hardware/baylibre-acme/api.c             |  7 +------
 src/hardware/beaglelogic/api.c               |  7 +------
 src/hardware/brymen-bm86x/api.c              |  7 +------
 src/hardware/brymen-dmm/api.c                |  7 +------
 src/hardware/cem-dt-885x/api.c               |  7 +------
 src/hardware/center-3xx/api.c                | 11 +----------
 src/hardware/chronovu-la/api.c               |  7 +------
 src/hardware/colead-slm/api.c                |  7 +------
 src/hardware/conrad-digi-35-cpu/api.c        |  7 +------
 src/hardware/demo/demo.c                     |  7 +------
 src/hardware/deree-de5000/api.c              |  7 +------
 src/hardware/fluke-dmm/api.c                 |  7 +------
 src/hardware/ftdi-la/api.c                   |  7 +------
 src/hardware/fx2lafw/api.c                   |  7 +------
 src/hardware/gmc-mh-1x-2x/api.c              |  9 ++-------
 src/hardware/gwinstek-gds-800/api.c          |  7 +------
 src/hardware/hameg-hmo/api.c                 |  7 +------
 src/hardware/hantek-6xxx/api.c               |  7 +------
 src/hardware/hantek-dso/api.c                |  7 +------
 src/hardware/hp-3457a/api.c                  |  7 +------
 src/hardware/hung-chang-dso-2100/api.c       |  7 +------
 src/hardware/ikalogic-scanalogic2/api.c      |  7 +------
 src/hardware/ikalogic-scanaplus/api.c        |  7 +------
 src/hardware/kecheng-kc-330b/api.c           |  7 +------
 src/hardware/kern-scale/api.c                |  7 +------
 src/hardware/korad-kaxxxxp/api.c             |  7 +------
 src/hardware/lascar-el-usb/api.c             |  7 +------
 src/hardware/lecroy-logicstudio/api.c        |  7 +------
 src/hardware/link-mso19/api.c                |  7 +------
 src/hardware/manson-hcs-3xxx/api.c           |  7 +------
 src/hardware/maynuo-m97/api.c                |  7 +------
 src/hardware/mic-985xx/api.c                 | 11 +----------
 src/hardware/motech-lps-30x/api.c            |  7 +------
 src/hardware/norma-dmm/api.c                 |  9 ++-------
 src/hardware/openbench-logic-sniffer/api.c   |  7 +------
 src/hardware/pipistrello-ols/api.c           |  7 +------
 src/hardware/rigol-ds/api.c                  |  7 +------
 src/hardware/saleae-logic16/api.c            |  7 +------
 src/hardware/scpi-pps/api.c                  |  7 +------
 src/hardware/serial-dmm/api.c                |  7 +------
 src/hardware/sysclk-lwla/api.c               |  9 +--------
 src/hardware/teleinfo/api.c                  |  7 +------
 src/hardware/testo/api.c                     |  7 +------
 src/hardware/tondaj-sl-814/api.c             |  7 +------
 src/hardware/uni-t-dmm/api.c                 |  7 +------
 src/hardware/uni-t-ut32x/api.c               |  7 +------
 src/hardware/victor-dmm/api.c                |  7 +------
 src/hardware/yokogawa-dlm/api.c              |  7 +------
 src/hardware/zeroplus-logic-cube/api.c       |  7 +------
 src/libsigrok-internal.h                     |  1 +
 src/std.c                                    | 19 +++++++++++++++++++
 56 files changed, 76 insertions(+), 336 deletions(-)

diff --git a/src/hardware/agilent-dmm/api.c b/src/hardware/agilent-dmm/api.c
index 21f1f32..a61a498 100644
--- a/src/hardware/agilent-dmm/api.c
+++ b/src/hardware/agilent-dmm/api.c
@@ -161,11 +161,6 @@ static GSList *scan(struct sr_dev_driver *di, GSList 
*options)
        return devices;
 }
 
-static GSList *dev_list(const struct sr_dev_driver *di)
-{
-       return ((struct drv_context *)(di->context))->instances;
-}
-
 static int config_set(uint32_t key, GVariant *data, const struct sr_dev_inst 
*sdi,
                const struct sr_channel_group *cg)
 {
@@ -261,7 +256,7 @@ SR_PRIV struct sr_dev_driver agdmm_driver_info = {
        .init = init,
        .cleanup = std_cleanup,
        .scan = scan,
-       .dev_list = dev_list,
+       .dev_list = std_dev_list,
        .dev_clear = NULL,
        .config_get = NULL,
        .config_set = config_set,
diff --git a/src/hardware/appa-55ii/api.c b/src/hardware/appa-55ii/api.c
index 62c5db8..a7d0646 100644
--- a/src/hardware/appa-55ii/api.c
+++ b/src/hardware/appa-55ii/api.c
@@ -121,11 +121,6 @@ scan_cleanup:
        return devices;
 }
 
-static GSList *dev_list(const struct sr_dev_driver *di)
-{
-       return ((struct drv_context *)(di->context))->instances;
-}
-
 static int config_get(uint32_t key, GVariant **data, const struct sr_dev_inst 
*sdi,
                const struct sr_channel_group *cg)
 {
@@ -268,7 +263,7 @@ SR_PRIV struct sr_dev_driver appa_55ii_driver_info = {
        .init = init,
        .cleanup = std_cleanup,
        .scan = scan,
-       .dev_list = dev_list,
+       .dev_list = std_dev_list,
        .dev_clear = NULL,
        .config_get = config_get,
        .config_set = config_set,
diff --git a/src/hardware/arachnid-labs-re-load-pro/api.c 
b/src/hardware/arachnid-labs-re-load-pro/api.c
index 09b7a9c..498ad95 100644
--- a/src/hardware/arachnid-labs-re-load-pro/api.c
+++ b/src/hardware/arachnid-labs-re-load-pro/api.c
@@ -164,11 +164,6 @@ static GSList *scan(struct sr_dev_driver *di, GSList 
*options)
        return devices;
 }
 
-static GSList *dev_list(const struct sr_dev_driver *di)
-{
-       return ((struct drv_context *)(di->context))->instances;
-}
-
 static int config_list(uint32_t key, GVariant **data,
        const struct sr_dev_inst *sdi, const struct sr_channel_group *cg)
 {
@@ -380,7 +375,7 @@ SR_PRIV struct sr_dev_driver 
arachnid_labs_re_load_pro_driver_info = {
        .init = init,
        .cleanup = std_cleanup,
        .scan = scan,
-       .dev_list = dev_list,
+       .dev_list = std_dev_list,
        .config_get = config_get,
        .config_set = config_set,
        .config_list = config_list,
diff --git a/src/hardware/asix-sigma/api.c b/src/hardware/asix-sigma/api.c
index 9396f78..cbc3bca 100644
--- a/src/hardware/asix-sigma/api.c
+++ b/src/hardware/asix-sigma/api.c
@@ -146,11 +146,6 @@ free:
        return NULL;
 }
 
-static GSList *dev_list(const struct sr_dev_driver *di)
-{
-       return ((struct drv_context *)(di->context))->instances;
-}
-
 static int dev_open(struct sr_dev_inst *sdi)
 {
        struct dev_context *devc;
@@ -427,7 +422,7 @@ SR_PRIV struct sr_dev_driver asix_sigma_driver_info = {
        .init = init,
        .cleanup = std_cleanup,
        .scan = scan,
-       .dev_list = dev_list,
+       .dev_list = std_dev_list,
        .dev_clear = dev_clear,
        .config_get = config_get,
        .config_set = config_set,
diff --git a/src/hardware/atten-pps3xxx/api.c b/src/hardware/atten-pps3xxx/api.c
index 03d6e52..b592443 100644
--- a/src/hardware/atten-pps3xxx/api.c
+++ b/src/hardware/atten-pps3xxx/api.c
@@ -199,11 +199,6 @@ static GSList *scan_3203(struct sr_dev_driver *di, GSList 
*options)
        return scan(di, options, PPS_3203T_3S);
 }
 
-static GSList *dev_list(const struct sr_dev_driver *di)
-{
-       return ((struct drv_context *)(di->context))->instances;
-}
-
 static int config_get(uint32_t key, GVariant **data, const struct sr_dev_inst 
*sdi,
                const struct sr_channel_group *cg)
 {
@@ -509,7 +504,7 @@ SR_PRIV struct sr_dev_driver atten_pps3203_driver_info = {
        .init = init,
        .cleanup = std_cleanup,
        .scan = scan_3203,
-       .dev_list = dev_list,
+       .dev_list = std_dev_list,
        .dev_clear = NULL,
        .config_get = config_get,
        .config_set = config_set,
diff --git a/src/hardware/baylibre-acme/api.c b/src/hardware/baylibre-acme/api.c
index c4c0737..4cca12a 100644
--- a/src/hardware/baylibre-acme/api.c
+++ b/src/hardware/baylibre-acme/api.c
@@ -142,11 +142,6 @@ err_out:
        return NULL;
 }
 
-static GSList *dev_list(const struct sr_dev_driver *di)
-{
-       return ((struct drv_context *)(di->context))->instances;
-}
-
 static int dev_open(struct sr_dev_inst *sdi)
 {
        (void)sdi;
@@ -422,7 +417,7 @@ SR_PRIV struct sr_dev_driver baylibre_acme_driver_info = {
        .init = init,
        .cleanup = std_cleanup,
        .scan = scan,
-       .dev_list = dev_list,
+       .dev_list = std_dev_list,
        .config_get = config_get,
        .config_set = config_set,
        .config_list = config_list,
diff --git a/src/hardware/beaglelogic/api.c b/src/hardware/beaglelogic/api.c
index ae3ebe8..23c7cb2 100644
--- a/src/hardware/beaglelogic/api.c
+++ b/src/hardware/beaglelogic/api.c
@@ -145,11 +145,6 @@ static GSList *scan(struct sr_dev_driver *di, GSList 
*options)
        return devices;
 }
 
-static GSList *dev_list(const struct sr_dev_driver *di)
-{
-       return ((struct drv_context *)(di->context))->instances;
-}
-
 static int dev_open(struct sr_dev_inst *sdi)
 {
        struct dev_context *devc = sdi->priv;
@@ -385,7 +380,7 @@ SR_PRIV struct sr_dev_driver beaglelogic_driver_info = {
        .init = init,
        .cleanup = std_cleanup,
        .scan = scan,
-       .dev_list = dev_list,
+       .dev_list = std_dev_list,
        .config_get = config_get,
        .config_set = config_set,
        .config_list = config_list,
diff --git a/src/hardware/brymen-bm86x/api.c b/src/hardware/brymen-bm86x/api.c
index 56f2938..cfdaacf 100644
--- a/src/hardware/brymen-bm86x/api.c
+++ b/src/hardware/brymen-bm86x/api.c
@@ -92,11 +92,6 @@ static GSList *scan(struct sr_dev_driver *di, GSList 
*options)
        return devices;
 }
 
-static GSList *dev_list(const struct sr_dev_driver *di)
-{
-       return ((struct drv_context *)(di->context))->instances;
-}
-
 static int dev_open(struct sr_dev_inst *sdi)
 {
        struct sr_dev_driver *di = sdi->driver;
@@ -291,7 +286,7 @@ SR_PRIV struct sr_dev_driver brymen_bm86x_driver_info = {
        .init = init,
        .cleanup = std_cleanup,
        .scan = scan,
-       .dev_list = dev_list,
+       .dev_list = std_dev_list,
        .dev_clear = NULL,
        .config_get = config_get,
        .config_set = config_set,
diff --git a/src/hardware/brymen-dmm/api.c b/src/hardware/brymen-dmm/api.c
index d8ba7fc..91ae018 100644
--- a/src/hardware/brymen-dmm/api.c
+++ b/src/hardware/brymen-dmm/api.c
@@ -131,11 +131,6 @@ static GSList *scan(struct sr_dev_driver *di, GSList 
*options)
        return devices;
 }
 
-static GSList *dev_list(const struct sr_dev_driver *di)
-{
-       return ((struct drv_context *)(di->context))->instances;
-}
-
 static int config_set(uint32_t key, GVariant *data, const struct sr_dev_inst 
*sdi,
                const struct sr_channel_group *cg)
 {
@@ -236,7 +231,7 @@ SR_PRIV struct sr_dev_driver brymen_bm857_driver_info = {
        .init = init,
        .cleanup = std_cleanup,
        .scan = scan,
-       .dev_list = dev_list,
+       .dev_list = std_dev_list,
        .dev_clear = NULL,
        .config_get = NULL,
        .config_set = config_set,
diff --git a/src/hardware/cem-dt-885x/api.c b/src/hardware/cem-dt-885x/api.c
index 79282d5..fcfc35d 100644
--- a/src/hardware/cem-dt-885x/api.c
+++ b/src/hardware/cem-dt-885x/api.c
@@ -136,11 +136,6 @@ static GSList *scan(struct sr_dev_driver *di, GSList 
*options)
        return devices;
 }
 
-static GSList *dev_list(const struct sr_dev_driver *di)
-{
-       return ((struct drv_context *)(di->context))->instances;
-}
-
 static int dev_open(struct sr_dev_inst *sdi)
 {
        struct sr_serial_dev_inst *serial;
@@ -418,7 +413,7 @@ SR_PRIV struct sr_dev_driver cem_dt_885x_driver_info = {
        .init = init,
        .cleanup = std_cleanup,
        .scan = scan,
-       .dev_list = dev_list,
+       .dev_list = std_dev_list,
        .dev_clear = NULL,
        .config_get = config_get,
        .config_set = config_set,
diff --git a/src/hardware/center-3xx/api.c b/src/hardware/center-3xx/api.c
index a51d9ac..a56de3a 100644
--- a/src/hardware/center-3xx/api.c
+++ b/src/hardware/center-3xx/api.c
@@ -134,11 +134,6 @@ static GSList *scan(GSList *options, int idx)
        return devices;
 }
 
-static GSList *dev_list(int idx)
-{
-       return ((struct drv_context 
*)(center_devs[idx].di->context))->instances;
-}
-
 static int config_set(uint32_t key, GVariant *data, const struct sr_dev_inst 
*sdi,
                const struct sr_channel_group *cg)
 {
@@ -232,9 +227,6 @@ static int init_##X(struct sr_dev_driver *d, \
 #define HW_SCAN(X) \
 static GSList *scan_##X(struct sr_dev_driver *d, GSList *options) { \
        (void)d; return scan(options, X); }
-#define HW_DEV_LIST(X) \
-static GSList *dev_list_##X(const struct sr_dev_driver *d) { \
-       (void)d; return dev_list(X); }
 #define HW_DEV_ACQUISITION_START(X) \
 static int dev_acquisition_start_##X(const struct sr_dev_inst *sdi, \
 void *cb_data) { return dev_acquisition_start(sdi, cb_data, X); }
@@ -243,7 +235,6 @@ void *cb_data) { return dev_acquisition_start(sdi, cb_data, 
X); }
 #define DRV(ID, ID_UPPER, NAME, LONGNAME) \
 HW_INIT(ID_UPPER) \
 HW_SCAN(ID_UPPER) \
-HW_DEV_LIST(ID_UPPER) \
 HW_DEV_ACQUISITION_START(ID_UPPER) \
 SR_PRIV struct sr_dev_driver ID##_driver_info = { \
        .name = NAME, \
@@ -252,7 +243,7 @@ SR_PRIV struct sr_dev_driver ID##_driver_info = { \
        .init = init_##ID_UPPER, \
        .cleanup = std_cleanup, \
        .scan = scan_##ID_UPPER, \
-       .dev_list = dev_list_##ID_UPPER, \
+       .dev_list = std_dev_list, \
        .config_get = NULL, \
        .config_set = config_set, \
        .config_list = config_list, \
diff --git a/src/hardware/chronovu-la/api.c b/src/hardware/chronovu-la/api.c
index e77c6de..960093e 100644
--- a/src/hardware/chronovu-la/api.c
+++ b/src/hardware/chronovu-la/api.c
@@ -246,11 +246,6 @@ static GSList *scan(struct sr_dev_driver *di, GSList 
*options)
        return devices;
 }
 
-static GSList *dev_list(const struct sr_dev_driver *di)
-{
-       return ((struct drv_context *)(di->context))->instances;
-}
-
 static int dev_open(struct sr_dev_inst *sdi)
 {
        struct dev_context *devc;
@@ -601,7 +596,7 @@ SR_PRIV struct sr_dev_driver chronovu_la_driver_info = {
        .init = init,
        .cleanup = std_cleanup,
        .scan = scan,
-       .dev_list = dev_list,
+       .dev_list = std_dev_list,
        .dev_clear = dev_clear,
        .config_get = config_get,
        .config_set = config_set,
diff --git a/src/hardware/colead-slm/api.c b/src/hardware/colead-slm/api.c
index 2f354cf..42ca4b1 100644
--- a/src/hardware/colead-slm/api.c
+++ b/src/hardware/colead-slm/api.c
@@ -96,11 +96,6 @@ static GSList *scan(struct sr_dev_driver *di, GSList 
*options)
        return devices;
 }
 
-static GSList *dev_list(const struct sr_dev_driver *di)
-{
-       return ((struct drv_context *)(di->context))->instances;
-}
-
 static int dev_open(struct sr_dev_inst *sdi)
 {
        struct sr_serial_dev_inst *serial;
@@ -205,7 +200,7 @@ SR_PRIV struct sr_dev_driver colead_slm_driver_info = {
        .init = init,
        .cleanup = std_cleanup,
        .scan = scan,
-       .dev_list = dev_list,
+       .dev_list = std_dev_list,
        .dev_clear = NULL,
        .config_get = NULL,
        .config_set = config_set,
diff --git a/src/hardware/conrad-digi-35-cpu/api.c 
b/src/hardware/conrad-digi-35-cpu/api.c
index 8da6b8f..e03c636 100644
--- a/src/hardware/conrad-digi-35-cpu/api.c
+++ b/src/hardware/conrad-digi-35-cpu/api.c
@@ -106,11 +106,6 @@ static GSList *scan(struct sr_dev_driver *di, GSList 
*options)
        return devices;
 }
 
-static GSList *dev_list(const struct sr_dev_driver *di)
-{
-       return ((struct drv_context *)(di->context))->instances;
-}
-
 static int config_set(uint32_t key, GVariant *data, const struct sr_dev_inst 
*sdi,
                const struct sr_channel_group *cg)
 {
@@ -204,7 +199,7 @@ SR_PRIV struct sr_dev_driver conrad_digi_35_cpu_driver_info 
= {
        .init = init,
        .cleanup = std_cleanup,
        .scan = scan,
-       .dev_list = dev_list,
+       .dev_list = std_dev_list,
        .dev_clear = NULL,
        .config_get = NULL,
        .config_set = config_set,
diff --git a/src/hardware/demo/demo.c b/src/hardware/demo/demo.c
index 6412877..8123c3a 100644
--- a/src/hardware/demo/demo.c
+++ b/src/hardware/demo/demo.c
@@ -354,11 +354,6 @@ static GSList *scan(struct sr_dev_driver *di, GSList 
*options)
        return devices;
 }
 
-static GSList *dev_list(const struct sr_dev_driver *di)
-{
-       return ((struct drv_context *)(di->context))->instances;
-}
-
 static int dev_open(struct sr_dev_inst *sdi)
 {
        sdi->status = SR_ST_ACTIVE;
@@ -902,7 +897,7 @@ SR_PRIV struct sr_dev_driver demo_driver_info = {
        .init = init,
        .cleanup = std_cleanup,
        .scan = scan,
-       .dev_list = dev_list,
+       .dev_list = std_dev_list,
        .dev_clear = dev_clear,
        .config_get = config_get,
        .config_set = config_set,
diff --git a/src/hardware/deree-de5000/api.c b/src/hardware/deree-de5000/api.c
index 8c24eb1..2f1109b 100644
--- a/src/hardware/deree-de5000/api.c
+++ b/src/hardware/deree-de5000/api.c
@@ -35,11 +35,6 @@ static void std_dev_attach(struct sr_dev_driver *di, struct 
sr_dev_inst *sdi)
        drvc->instances = g_slist_append(drvc->instances, sdi);
 }
 
-static GSList *dev_list(const struct sr_dev_driver *di)
-{
-       return ((struct drv_context *)di->context)->instances;
-}
-
 #define LOG_PREFIX "deree-de5000"
 
 SR_PRIV struct sr_dev_driver deree_de5000_driver_info;
@@ -73,7 +68,7 @@ SR_PRIV struct sr_dev_driver deree_de5000_driver_info = {
        .init = init,
        .cleanup = std_cleanup,
        .scan = scan,
-       .dev_list = dev_list,
+       .dev_list = std_dev_list,
        .dev_clear = dev_clear,
        .config_get = es51919_serial_config_get,
        .config_set = es51919_serial_config_set,
diff --git a/src/hardware/fluke-dmm/api.c b/src/hardware/fluke-dmm/api.c
index 6b55bdb..c9c70c4 100644
--- a/src/hardware/fluke-dmm/api.c
+++ b/src/hardware/fluke-dmm/api.c
@@ -189,11 +189,6 @@ static GSList *scan(struct sr_dev_driver *di, GSList 
*options)
        return devices;
 }
 
-static GSList *dev_list(const struct sr_dev_driver *di)
-{
-       return ((struct drv_context *)(di->context))->instances;
-}
-
 static int config_set(uint32_t key, GVariant *data, const struct sr_dev_inst 
*sdi,
                const struct sr_channel_group *cg)
 {
@@ -292,7 +287,7 @@ SR_PRIV struct sr_dev_driver flukedmm_driver_info = {
        .init = init,
        .cleanup = std_cleanup,
        .scan = scan,
-       .dev_list = dev_list,
+       .dev_list = std_dev_list,
        .dev_clear = NULL,
        .config_get = NULL,
        .config_set = config_set,
diff --git a/src/hardware/ftdi-la/api.c b/src/hardware/ftdi-la/api.c
index 3a1d44a..241999f 100644
--- a/src/hardware/ftdi-la/api.c
+++ b/src/hardware/ftdi-la/api.c
@@ -263,11 +263,6 @@ static GSList *scan(struct sr_dev_driver *di, GSList 
*options)
                return scan_all(di, options);
 }
 
-static GSList *dev_list(const struct sr_dev_driver *di)
-{
-       return ((struct drv_context *)(di->context))->instances;
-}
-
 static void clear_helper(void *priv)
 {
        struct dev_context *devc;
@@ -511,7 +506,7 @@ SR_PRIV struct sr_dev_driver ftdi_la_driver_info = {
        .init = init,
        .cleanup = std_cleanup,
        .scan = scan,
-       .dev_list = dev_list,
+       .dev_list = std_dev_list,
        .dev_clear = dev_clear,
        .config_get = config_get,
        .config_set = config_set,
diff --git a/src/hardware/fx2lafw/api.c b/src/hardware/fx2lafw/api.c
index e0a9952..8e4a94f 100644
--- a/src/hardware/fx2lafw/api.c
+++ b/src/hardware/fx2lafw/api.c
@@ -399,11 +399,6 @@ static int dev_clear(const struct sr_dev_driver *di)
        return std_dev_clear(di, clear_dev_context);
 }
 
-static GSList *dev_list(const struct sr_dev_driver *di)
-{
-       return ((struct drv_context *)(di->context))->instances;
-}
-
 static int dev_open(struct sr_dev_inst *sdi)
 {
        struct sr_dev_driver *di = sdi->driver;
@@ -906,7 +901,7 @@ SR_PRIV struct sr_dev_driver fx2lafw_driver_info = {
        .init = init,
        .cleanup = std_cleanup,
        .scan = scan,
-       .dev_list = dev_list,
+       .dev_list = std_dev_list,
        .dev_clear = dev_clear,
        .config_get = config_get,
        .config_set = config_set,
diff --git a/src/hardware/gmc-mh-1x-2x/api.c b/src/hardware/gmc-mh-1x-2x/api.c
index 9749b7e..9e35d43 100644
--- a/src/hardware/gmc-mh-1x-2x/api.c
+++ b/src/hardware/gmc-mh-1x-2x/api.c
@@ -352,11 +352,6 @@ exit_err:
        return NULL;
 }
 
-static GSList *dev_list(const struct sr_dev_driver *di)
-{
-       return ((struct drv_context *)(di->context))->instances;
-}
-
 static int dev_close(struct sr_dev_inst *sdi)
 {
        struct dev_context *devc;
@@ -537,7 +532,7 @@ SR_PRIV struct sr_dev_driver gmc_mh_1x_2x_rs232_driver_info 
= {
        .init = init,
        .cleanup = std_cleanup,
        .scan = scan_1x_2x_rs232,
-       .dev_list = dev_list,
+       .dev_list = std_dev_list,
        .dev_clear = NULL,
        .config_get = config_get,
        .config_set = config_set,
@@ -556,7 +551,7 @@ SR_PRIV struct sr_dev_driver gmc_mh_2x_bd232_driver_info = {
        .init = init,
        .cleanup = std_cleanup,
        .scan = scan_2x_bd232,
-       .dev_list = dev_list,
+       .dev_list = std_dev_list,
        .dev_clear = NULL,
        .config_get = config_get,
        .config_set = config_set,
diff --git a/src/hardware/gwinstek-gds-800/api.c 
b/src/hardware/gwinstek-gds-800/api.c
index 133ab2f..2921ea5 100644
--- a/src/hardware/gwinstek-gds-800/api.c
+++ b/src/hardware/gwinstek-gds-800/api.c
@@ -93,11 +93,6 @@ static GSList *scan(struct sr_dev_driver *di, GSList 
*options)
        return sr_scpi_scan(di->context, options, probe_device);
 }
 
-static GSList *dev_list(const struct sr_dev_driver *di)
-{
-       return ((struct drv_context *)(di->context))->instances;
-}
-
 static int dev_open(struct sr_dev_inst *sdi)
 {
        int ret;
@@ -257,7 +252,7 @@ SR_PRIV struct sr_dev_driver gwinstek_gds_800_driver_info = 
{
        .init = init,
        .cleanup = std_cleanup,
        .scan = scan,
-       .dev_list = dev_list,
+       .dev_list = std_dev_list,
        .config_get = config_get,
        .config_set = config_set,
        .config_list = config_list,
diff --git a/src/hardware/hameg-hmo/api.c b/src/hardware/hameg-hmo/api.c
index 879178d..33e4ae1 100644
--- a/src/hardware/hameg-hmo/api.c
+++ b/src/hardware/hameg-hmo/api.c
@@ -117,11 +117,6 @@ static GSList *scan(struct sr_dev_driver *di, GSList 
*options)
        return sr_scpi_scan(di->context, options, hmo_probe_serial_device);
 }
 
-static GSList *dev_list(const struct sr_dev_driver *di)
-{
-       return ((struct drv_context *)(di->context))->instances;
-}
-
 static void clear_helper(void *priv)
 {
        struct dev_context *devc;
@@ -791,7 +786,7 @@ SR_PRIV struct sr_dev_driver hameg_hmo_driver_info = {
        .init = init,
        .cleanup = std_cleanup,
        .scan = scan,
-       .dev_list = dev_list,
+       .dev_list = std_dev_list,
        .dev_clear = dev_clear,
        .config_get = config_get,
        .config_set = config_set,
diff --git a/src/hardware/hantek-6xxx/api.c b/src/hardware/hantek-6xxx/api.c
index bf28508..95f080a 100644
--- a/src/hardware/hantek-6xxx/api.c
+++ b/src/hardware/hantek-6xxx/api.c
@@ -267,11 +267,6 @@ static GSList *scan(struct sr_dev_driver *di, GSList 
*options)
        return devices;
 }
 
-static GSList *dev_list(const struct sr_dev_driver *di)
-{
-       return ((struct drv_context *)(di->context))->instances;
-}
-
 static int dev_open(struct sr_dev_inst *sdi)
 {
        struct dev_context *devc;
@@ -828,7 +823,7 @@ SR_PRIV struct sr_dev_driver hantek_6xxx_driver_info = {
        .init = init,
        .cleanup = std_cleanup,
        .scan = scan,
-       .dev_list = dev_list,
+       .dev_list = std_dev_list,
        .dev_clear = dev_clear,
        .config_get = config_get,
        .config_set = config_set,
diff --git a/src/hardware/hantek-dso/api.c b/src/hardware/hantek-dso/api.c
index 0787527..5183888 100644
--- a/src/hardware/hantek-dso/api.c
+++ b/src/hardware/hantek-dso/api.c
@@ -358,11 +358,6 @@ static GSList *scan(struct sr_dev_driver *di, GSList 
*options)
        return devices;
 }
 
-static GSList *dev_list(const struct sr_dev_driver *di)
-{
-       return ((struct drv_context *)(di->context))->instances;
-}
-
 static int dev_open(struct sr_dev_inst *sdi)
 {
        struct dev_context *devc;
@@ -1017,7 +1012,7 @@ SR_PRIV struct sr_dev_driver hantek_dso_driver_info = {
        .init = init,
        .cleanup = std_cleanup,
        .scan = scan,
-       .dev_list = dev_list,
+       .dev_list = std_dev_list,
        .dev_clear = dev_clear,
        .config_get = config_get,
        .config_set = config_set,
diff --git a/src/hardware/hp-3457a/api.c b/src/hardware/hp-3457a/api.c
index 083aad5..eb2cf5c 100644
--- a/src/hardware/hp-3457a/api.c
+++ b/src/hardware/hp-3457a/api.c
@@ -176,11 +176,6 @@ static GSList *scan(struct sr_dev_driver *di, GSList 
*options)
        return sr_scpi_scan(di->context, options, probe_device);
 }
 
-static GSList *dev_list(const struct sr_dev_driver *di)
-{
-       return ((struct drv_context *)(di->context))->instances;
-}
-
 /*
  * We need to set the HP 3457A to a known state, and there are quite a number
  * of knobs to tweak. Here's a brief explanation of what's going on. For more
@@ -460,7 +455,7 @@ SR_PRIV struct sr_dev_driver hp_3457a_driver_info = {
        .init = init,
        .cleanup = std_cleanup,
        .scan = scan,
-       .dev_list = dev_list,
+       .dev_list = std_dev_list,
        .config_get = config_get,
        .config_set = config_set,
        .config_list = config_list,
diff --git a/src/hardware/hung-chang-dso-2100/api.c 
b/src/hardware/hung-chang-dso-2100/api.c
index 3d2aba7..3bc64ea 100644
--- a/src/hardware/hung-chang-dso-2100/api.c
+++ b/src/hardware/hung-chang-dso-2100/api.c
@@ -230,11 +230,6 @@ static GSList *scan(struct sr_dev_driver *di, GSList 
*options)
        return devices;
 }
 
-static GSList *dev_list(const struct sr_dev_driver *di)
-{
-       return ((struct drv_context *)(di->context))->instances;
-}
-
 static void clear_private(void *priv)
 {
        struct dev_context *devc = priv;
@@ -737,7 +732,7 @@ SR_PRIV struct sr_dev_driver 
hung_chang_dso_2100_driver_info = {
        .init = init,
        .cleanup = std_cleanup,
        .scan = scan,
-       .dev_list = dev_list,
+       .dev_list = std_dev_list,
        .dev_clear = dev_clear,
        .config_get = config_get,
        .config_set = config_set,
diff --git a/src/hardware/ikalogic-scanalogic2/api.c 
b/src/hardware/ikalogic-scanalogic2/api.c
index 8fd420d..0187bfb 100644
--- a/src/hardware/ikalogic-scanalogic2/api.c
+++ b/src/hardware/ikalogic-scanalogic2/api.c
@@ -162,11 +162,6 @@ static GSList *scan(struct sr_dev_driver *di, GSList 
*options)
        return devices;
 }
 
-static GSList *dev_list(const struct sr_dev_driver *di)
-{
-       return ((struct drv_context *)(di->context))->instances;
-}
-
 static void clear_dev_context(void *priv)
 {
        struct dev_context *devc;
@@ -490,7 +485,7 @@ SR_PRIV struct sr_dev_driver 
ikalogic_scanalogic2_driver_info = {
        .init = init,
        .cleanup = std_cleanup,
        .scan = scan,
-       .dev_list = dev_list,
+       .dev_list = std_dev_list,
        .dev_clear = dev_clear,
        .config_get = config_get,
        .config_set = config_set,
diff --git a/src/hardware/ikalogic-scanaplus/api.c 
b/src/hardware/ikalogic-scanaplus/api.c
index 1388592..6de8021 100644
--- a/src/hardware/ikalogic-scanaplus/api.c
+++ b/src/hardware/ikalogic-scanaplus/api.c
@@ -149,11 +149,6 @@ err_free_devc:
        return NULL;
 }
 
-static GSList *dev_list(const struct sr_dev_driver *di)
-{
-       return ((struct drv_context *)(di->context))->instances;
-}
-
 static int dev_open(struct sr_dev_inst *sdi)
 {
        struct dev_context *devc;
@@ -407,7 +402,7 @@ SR_PRIV struct sr_dev_driver ikalogic_scanaplus_driver_info 
= {
        .init = init,
        .cleanup = std_cleanup,
        .scan = scan,
-       .dev_list = dev_list,
+       .dev_list = std_dev_list,
        .dev_clear = dev_clear,
        .config_get = config_get,
        .config_set = config_set,
diff --git a/src/hardware/kecheng-kc-330b/api.c 
b/src/hardware/kecheng-kc-330b/api.c
index 9e06e34..4966ab3 100644
--- a/src/hardware/kecheng-kc-330b/api.c
+++ b/src/hardware/kecheng-kc-330b/api.c
@@ -160,11 +160,6 @@ static GSList *scan(struct sr_dev_driver *di, GSList 
*options)
        return devices;
 }
 
-static GSList *dev_list(const struct sr_dev_driver *di)
-{
-       return ((struct drv_context *)(di->context))->instances;
-}
-
 static int dev_open(struct sr_dev_inst *sdi)
 {
        struct sr_dev_driver *di = sdi->driver;
@@ -543,7 +538,7 @@ SR_PRIV struct sr_dev_driver kecheng_kc_330b_driver_info = {
        .init = init,
        .cleanup = std_cleanup,
        .scan = scan,
-       .dev_list = dev_list,
+       .dev_list = std_dev_list,
        .dev_clear = NULL,
        .config_get = config_get,
        .config_set = config_set,
diff --git a/src/hardware/kern-scale/api.c b/src/hardware/kern-scale/api.c
index 49f19c4..f4f70da 100644
--- a/src/hardware/kern-scale/api.c
+++ b/src/hardware/kern-scale/api.c
@@ -119,11 +119,6 @@ scan_cleanup:
        return devices;
 }
 
-static GSList *dev_list(const struct sr_dev_driver *di)
-{
-       return ((struct drv_context *)(di->context))->instances;
-}
-
 static int config_set(uint32_t key, GVariant *data, const struct sr_dev_inst 
*sdi,
                const struct sr_channel_group *cg)
 {
@@ -222,7 +217,7 @@ static int dev_acquisition_stop(struct sr_dev_inst *sdi, 
void *cb_data)
                        .init = init, \
                        .cleanup = std_cleanup, \
                        .scan = scan, \
-                       .dev_list = dev_list, \
+                       .dev_list = std_dev_list, \
                        .config_get = NULL, \
                        .config_set = config_set, \
                        .config_list = config_list, \
diff --git a/src/hardware/korad-kaxxxxp/api.c b/src/hardware/korad-kaxxxxp/api.c
index a22b838..6cad1ff 100644
--- a/src/hardware/korad-kaxxxxp/api.c
+++ b/src/hardware/korad-kaxxxxp/api.c
@@ -178,11 +178,6 @@ exit_err:
        return NULL;
 }
 
-static GSList *dev_list(const struct sr_dev_driver *di)
-{
-       return ((struct drv_context *)(di->context))->instances;
-}
-
 static int config_get(uint32_t key, GVariant **data,
        const struct sr_dev_inst *sdi, const struct sr_channel_group *cg)
 {
@@ -412,7 +407,7 @@ SR_PRIV struct sr_dev_driver korad_kaxxxxp_driver_info = {
        .init = init,
        .cleanup = std_cleanup,
        .scan = scan,
-       .dev_list = dev_list,
+       .dev_list = std_dev_list,
        .config_get = config_get,
        .config_set = config_set,
        .config_list = config_list,
diff --git a/src/hardware/lascar-el-usb/api.c b/src/hardware/lascar-el-usb/api.c
index b5ab39d..8809b19 100644
--- a/src/hardware/lascar-el-usb/api.c
+++ b/src/hardware/lascar-el-usb/api.c
@@ -89,11 +89,6 @@ static GSList *scan(struct sr_dev_driver *di, GSList 
*options)
        return devices;
 }
 
-static GSList *dev_list(const struct sr_dev_driver *di)
-{
-       return ((struct drv_context *)(di->context))->instances;
-}
-
 static int dev_open(struct sr_dev_inst *sdi)
 {
        struct sr_dev_driver *di = sdi->driver;
@@ -460,7 +455,7 @@ SR_PRIV struct sr_dev_driver lascar_el_usb_driver_info = {
        .init = init,
        .cleanup = std_cleanup,
        .scan = scan,
-       .dev_list = dev_list,
+       .dev_list = std_dev_list,
        .dev_clear = NULL,
        .config_get = config_get,
        .config_set = config_set,
diff --git a/src/hardware/lecroy-logicstudio/api.c 
b/src/hardware/lecroy-logicstudio/api.c
index f5dc117..84df85b 100644
--- a/src/hardware/lecroy-logicstudio/api.c
+++ b/src/hardware/lecroy-logicstudio/api.c
@@ -191,11 +191,6 @@ static GSList *scan(struct sr_dev_driver *di, GSList 
*options)
        return devices;
 }
 
-static GSList *dev_list(const struct sr_dev_driver *di)
-{
-       return ((struct drv_context *)(di->context))->instances;
-}
-
 static int open_device(struct sr_dev_inst *sdi)
 {
        struct drv_context *drvc;
@@ -526,7 +521,7 @@ SR_PRIV struct sr_dev_driver lecroy_logicstudio_driver_info 
= {
        .init = init,
        .cleanup = std_cleanup,
        .scan = scan,
-       .dev_list = dev_list,
+       .dev_list = std_dev_list,
        .config_get = config_get,
        .config_set = config_set,
        .config_list = config_list,
diff --git a/src/hardware/link-mso19/api.c b/src/hardware/link-mso19/api.c
index a4d913b..1c3ee12 100644
--- a/src/hardware/link-mso19/api.c
+++ b/src/hardware/link-mso19/api.c
@@ -228,11 +228,6 @@ static GSList *scan(struct sr_dev_driver *di, GSList 
*options)
        return devices;
 }
 
-static GSList *dev_list(const struct sr_dev_driver *di)
-{
-       return ((struct drv_context *)(di->context))->instances;
-}
-
 static int dev_open(struct sr_dev_inst *sdi)
 {
        int ret;
@@ -470,7 +465,7 @@ SR_PRIV struct sr_dev_driver link_mso19_driver_info = {
        .init = init,
        .cleanup = std_cleanup,
        .scan = scan,
-       .dev_list = dev_list,
+       .dev_list = std_dev_list,
        .dev_clear = dev_clear,
        .config_get = config_get,
        .config_set = config_set,
diff --git a/src/hardware/manson-hcs-3xxx/api.c 
b/src/hardware/manson-hcs-3xxx/api.c
index 725ec31..7ae3d43 100644
--- a/src/hardware/manson-hcs-3xxx/api.c
+++ b/src/hardware/manson-hcs-3xxx/api.c
@@ -200,11 +200,6 @@ exit_err:
        return NULL;
 }
 
-static GSList *dev_list(const struct sr_dev_driver *di)
-{
-       return ((struct drv_context *)(di->context))->instances;
-}
-
 static int config_get(uint32_t key, GVariant **data, const struct sr_dev_inst 
*sdi,
                const struct sr_channel_group *cg)
 {
@@ -417,7 +412,7 @@ SR_PRIV struct sr_dev_driver manson_hcs_3xxx_driver_info = {
        .init = init,
        .cleanup = std_cleanup,
        .scan = scan,
-       .dev_list = dev_list,
+       .dev_list = std_dev_list,
        .config_get = config_get,
        .config_set = config_set,
        .config_list = config_list,
diff --git a/src/hardware/maynuo-m97/api.c b/src/hardware/maynuo-m97/api.c
index a1ca131..a0228fa 100644
--- a/src/hardware/maynuo-m97/api.c
+++ b/src/hardware/maynuo-m97/api.c
@@ -199,11 +199,6 @@ static GSList *scan(struct sr_dev_driver *di, GSList 
*options)
        return devices;
 }
 
-static GSList *dev_list(const struct sr_dev_driver *di)
-{
-       return ((struct drv_context *)(di->context))->instances;
-}
-
 static int dev_open(struct sr_dev_inst *sdi)
 {
        struct sr_modbus_dev_inst *modbus = sdi->conn;
@@ -498,7 +493,7 @@ SR_PRIV struct sr_dev_driver maynuo_m97_driver_info = {
        .init = init,
        .cleanup = std_cleanup,
        .scan = scan,
-       .dev_list = dev_list,
+       .dev_list = std_dev_list,
        .config_get = config_get,
        .config_set = config_set,
        .config_list = config_list,
diff --git a/src/hardware/mic-985xx/api.c b/src/hardware/mic-985xx/api.c
index 1d3299a..5ad0490 100644
--- a/src/hardware/mic-985xx/api.c
+++ b/src/hardware/mic-985xx/api.c
@@ -140,11 +140,6 @@ static GSList *scan(GSList *options, int idx)
        return devices;
 }
 
-static GSList *dev_list(int idx)
-{
-       return ((struct drv_context *)(mic_devs[idx].di->context))->instances;
-}
-
 static int config_set(uint32_t key, GVariant *data, const struct sr_dev_inst 
*sdi,
                const struct sr_channel_group *cg)
 {
@@ -240,9 +235,6 @@ static int init_##X(struct sr_dev_driver *di, struct 
sr_context *sr_ctx) { \
 #define HW_SCAN(X) \
 static GSList *scan_##X(struct sr_dev_driver *di, GSList *options) { \
        (void)di; return scan(options, X); }
-#define HW_DEV_LIST(X) \
-static GSList *dev_list_##X(const struct sr_dev_driver *di) { \
-       (void)di; return dev_list(X); }
 #define HW_CONFIG_LIST(X) \
 static int config_list_##X(uint32_t key, GVariant **data, \
 const struct sr_dev_inst *sdi, const struct sr_channel_group *cg) { \
@@ -255,7 +247,6 @@ void *cb_data) { return dev_acquisition_start(sdi, cb_data, 
X); }
 #define DRV(ID, ID_UPPER, NAME, LONGNAME) \
 HW_INIT(ID_UPPER) \
 HW_SCAN(ID_UPPER) \
-HW_DEV_LIST(ID_UPPER) \
 HW_CONFIG_LIST(ID_UPPER) \
 HW_DEV_ACQUISITION_START(ID_UPPER) \
 SR_PRIV struct sr_dev_driver ID##_driver_info = { \
@@ -265,7 +256,7 @@ SR_PRIV struct sr_dev_driver ID##_driver_info = { \
        .init = init_##ID_UPPER, \
        .cleanup = std_cleanup, \
        .scan = scan_##ID_UPPER, \
-       .dev_list = dev_list_##ID_UPPER, \
+       .dev_list = std_dev_list, \
        .config_get = NULL, \
        .config_set = config_set, \
        .config_list = config_list_##ID_UPPER, \
diff --git a/src/hardware/motech-lps-30x/api.c 
b/src/hardware/motech-lps-30x/api.c
index f56b02e..538ad58 100644
--- a/src/hardware/motech-lps-30x/api.c
+++ b/src/hardware/motech-lps-30x/api.c
@@ -517,11 +517,6 @@ static GSList *scan_lps301(struct sr_dev_driver *di, 
GSList *options)
        return do_scan(LPS_301, di, options);
 }
 
-static GSList *dev_list_lps301(const struct sr_dev_driver *di)
-{
-       return ((struct drv_context *)(di->context))->instances;
-}
-
 static void dev_clear_private(struct dev_context *devc)
 {
        int ch_idx;
@@ -837,7 +832,7 @@ SR_PRIV struct sr_dev_driver motech_lps_301_driver_info = {
        .init = init_lps301,
        .cleanup = std_cleanup,
        .scan = scan_lps301,
-       .dev_list = dev_list_lps301,
+       .dev_list = std_dev_list,
        .dev_clear = dev_clear_lps301,
        .config_get = config_get,
        .config_set = config_set,
diff --git a/src/hardware/norma-dmm/api.c b/src/hardware/norma-dmm/api.c
index 5162f40..183da7f 100644
--- a/src/hardware/norma-dmm/api.c
+++ b/src/hardware/norma-dmm/api.c
@@ -172,11 +172,6 @@ static GSList *scan(struct sr_dev_driver *drv, GSList 
*options)
        return devices;
 }
 
-static GSList *dev_list(const struct sr_dev_driver *di)
-{
-       return ((struct drv_context *)(di->context))->instances;
-}
-
 static int dev_close(struct sr_dev_inst *sdi)
 {
        struct dev_context *devc;
@@ -291,7 +286,7 @@ SR_PRIV struct sr_dev_driver norma_dmm_driver_info = {
        .init = init,
        .cleanup = std_cleanup,
        .scan = scan,
-       .dev_list = dev_list,
+       .dev_list = std_dev_list,
        .dev_clear = NULL,
        .config_get = NULL,
        .config_set = config_set,
@@ -310,7 +305,7 @@ SR_PRIV struct sr_dev_driver siemens_b102x_driver_info = {
        .init = init,
        .cleanup = std_cleanup,
        .scan = scan,
-       .dev_list = dev_list,
+       .dev_list = std_dev_list,
        .dev_clear = NULL,
        .config_get = NULL,
        .config_set = config_set,
diff --git a/src/hardware/openbench-logic-sniffer/api.c 
b/src/hardware/openbench-logic-sniffer/api.c
index 78b4ef4..4b49b27 100644
--- a/src/hardware/openbench-logic-sniffer/api.c
+++ b/src/hardware/openbench-logic-sniffer/api.c
@@ -210,11 +210,6 @@ static GSList *scan(struct sr_dev_driver *di, GSList 
*options)
        return devices;
 }
 
-static GSList *dev_list(const struct sr_dev_driver *di)
-{
-       return ((struct drv_context *)(di->context))->instances;
-}
-
 static int config_get(uint32_t key, GVariant **data, const struct sr_dev_inst 
*sdi,
                const struct sr_channel_group *cg)
 {
@@ -593,7 +588,7 @@ SR_PRIV struct sr_dev_driver ols_driver_info = {
        .init = init,
        .cleanup = std_cleanup,
        .scan = scan,
-       .dev_list = dev_list,
+       .dev_list = std_dev_list,
        .dev_clear = NULL,
        .config_get = config_get,
        .config_set = config_set,
diff --git a/src/hardware/pipistrello-ols/api.c 
b/src/hardware/pipistrello-ols/api.c
index 83331c9..46e238b 100644
--- a/src/hardware/pipistrello-ols/api.c
+++ b/src/hardware/pipistrello-ols/api.c
@@ -200,11 +200,6 @@ err_free_ftdi_buf:
        return NULL;
 }
 
-static GSList *dev_list(const struct sr_dev_driver *di)
-{
-       return ((struct drv_context *)(di->context))->instances;
-}
-
 static void clear_helper(void *priv)
 {
        struct dev_context *devc;
@@ -725,7 +720,7 @@ SR_PRIV struct sr_dev_driver p_ols_driver_info = {
        .init = init,
        .cleanup = std_cleanup,
        .scan = scan,
-       .dev_list = dev_list,
+       .dev_list = std_dev_list,
        .dev_clear = dev_clear,
        .config_get = config_get,
        .config_set = config_set,
diff --git a/src/hardware/rigol-ds/api.c b/src/hardware/rigol-ds/api.c
index 7871af5..9d679ad 100644
--- a/src/hardware/rigol-ds/api.c
+++ b/src/hardware/rigol-ds/api.c
@@ -411,11 +411,6 @@ static GSList *scan(struct sr_dev_driver *di, GSList 
*options)
        return sr_scpi_scan(di->context, options, probe_device);
 }
 
-static GSList *dev_list(const struct sr_dev_driver *di)
-{
-       return ((struct drv_context *)(di->context))->instances;
-}
-
 static int dev_open(struct sr_dev_inst *sdi)
 {
        int ret;
@@ -1075,7 +1070,7 @@ SR_PRIV struct sr_dev_driver rigol_ds_driver_info = {
        .init = init,
        .cleanup = std_cleanup,
        .scan = scan,
-       .dev_list = dev_list,
+       .dev_list = std_dev_list,
        .dev_clear = dev_clear,
        .config_get = config_get,
        .config_set = config_set,
diff --git a/src/hardware/saleae-logic16/api.c 
b/src/hardware/saleae-logic16/api.c
index 70b2eac..63f38b7 100644
--- a/src/hardware/saleae-logic16/api.c
+++ b/src/hardware/saleae-logic16/api.c
@@ -235,11 +235,6 @@ static GSList *scan(struct sr_dev_driver *di, GSList 
*options)
        return devices;
 }
 
-static GSList *dev_list(const struct sr_dev_driver *di)
-{
-       return ((struct drv_context *)(di->context))->instances;
-}
-
 static int logic16_dev_open(struct sr_dev_inst *sdi)
 {
        struct sr_dev_driver *di;
@@ -808,7 +803,7 @@ SR_PRIV struct sr_dev_driver saleae_logic16_driver_info = {
        .init = init,
        .cleanup = std_cleanup,
        .scan = scan,
-       .dev_list = dev_list,
+       .dev_list = std_dev_list,
        .dev_clear = NULL,
        .config_get = config_get,
        .config_set = config_set,
diff --git a/src/hardware/scpi-pps/api.c b/src/hardware/scpi-pps/api.c
index 40771f1..7ed85c2 100644
--- a/src/hardware/scpi-pps/api.c
+++ b/src/hardware/scpi-pps/api.c
@@ -176,11 +176,6 @@ static GSList *scan(struct sr_dev_driver *di, GSList 
*options)
        return sr_scpi_scan(di->context, options, probe_device);
 }
 
-static GSList *dev_list(const struct sr_dev_driver *di)
-{
-       return ((struct drv_context *)(di->context))->instances;
-}
-
 static int dev_open(struct sr_dev_inst *sdi)
 {
        struct dev_context *devc;
@@ -645,7 +640,7 @@ SR_PRIV struct sr_dev_driver scpi_pps_driver_info = {
        .init = init,
        .cleanup = std_cleanup,
        .scan = scan,
-       .dev_list = dev_list,
+       .dev_list = std_dev_list,
        .dev_clear = dev_clear,
        .config_get = config_get,
        .config_set = config_set,
diff --git a/src/hardware/serial-dmm/api.c b/src/hardware/serial-dmm/api.c
index 8222d5c..f43f6bf 100644
--- a/src/hardware/serial-dmm/api.c
+++ b/src/hardware/serial-dmm/api.c
@@ -145,11 +145,6 @@ scan_cleanup:
        return devices;
 }
 
-static GSList *dev_list(const struct sr_dev_driver *di)
-{
-       return ((struct drv_context *)(di->context))->instances;
-}
-
 static int config_set(uint32_t key, GVariant *data, const struct sr_dev_inst 
*sdi,
                const struct sr_channel_group *cg)
 {
@@ -251,7 +246,7 @@ static int dev_acquisition_stop(struct sr_dev_inst *sdi, 
void *cb_data)
                        .init = init, \
                        .cleanup = std_cleanup, \
                        .scan = scan, \
-                       .dev_list = dev_list, \
+                       .dev_list = std_dev_list, \
                        .config_get = NULL, \
                        .config_set = config_set, \
                        .config_list = config_list, \
diff --git a/src/hardware/sysclk-lwla/api.c b/src/hardware/sysclk-lwla/api.c
index 1467698..15efbed 100644
--- a/src/hardware/sysclk-lwla/api.c
+++ b/src/hardware/sysclk-lwla/api.c
@@ -212,13 +212,6 @@ static GSList *scan(struct sr_dev_driver *di, GSList 
*options)
        return devices;
 }
 
-/* Return the list of devices found during scan.
- */
-static GSList *dev_list(const struct sr_dev_driver *di)
-{
-       return ((struct drv_context *)(di->context))->instances;
-}
-
 /* Destroy the private device context.
  */
 static void clear_dev_context(void *priv)
@@ -809,7 +802,7 @@ SR_PRIV struct sr_dev_driver sysclk_lwla_driver_info = {
        .init = init,
        .cleanup = std_cleanup,
        .scan = scan,
-       .dev_list = dev_list,
+       .dev_list = std_dev_list,
        .dev_clear = dev_clear,
        .config_get = config_get,
        .config_set = config_set,
diff --git a/src/hardware/teleinfo/api.c b/src/hardware/teleinfo/api.c
index 687b9bb..37d0f6a 100644
--- a/src/hardware/teleinfo/api.c
+++ b/src/hardware/teleinfo/api.c
@@ -133,11 +133,6 @@ scan_cleanup:
        return devices;
 }
 
-static GSList *dev_list(const struct sr_dev_driver *di)
-{
-       return ((struct drv_context *)(di->context))->instances;
-}
-
 static int config_set(uint32_t key, GVariant *data, const struct sr_dev_inst 
*sdi,
                const struct sr_channel_group *cg)
 {
@@ -235,7 +230,7 @@ SR_PRIV struct sr_dev_driver teleinfo_driver_info = {
        .init = init,
        .cleanup = std_cleanup,
        .scan = scan,
-       .dev_list = dev_list,
+       .dev_list = std_dev_list,
        .dev_clear = NULL,
        .config_get = NULL,
        .config_set = config_set,
diff --git a/src/hardware/testo/api.c b/src/hardware/testo/api.c
index 2ca80bf..ee36e76 100644
--- a/src/hardware/testo/api.c
+++ b/src/hardware/testo/api.c
@@ -146,11 +146,6 @@ static GSList *scan(struct sr_dev_driver *di, GSList 
*options)
        return devices;
 }
 
-static GSList *dev_list(const struct sr_dev_driver *di)
-{
-       return ((struct drv_context *)(di->context))->instances;
-}
-
 static int dev_open(struct sr_dev_inst *sdi)
 {
        struct sr_dev_driver *di = sdi->driver;
@@ -508,7 +503,7 @@ SR_PRIV struct sr_dev_driver testo_driver_info = {
        .init = init,
        .cleanup = std_cleanup,
        .scan = scan,
-       .dev_list = dev_list,
+       .dev_list = std_dev_list,
        .config_get = config_get,
        .config_set = config_set,
        .config_list = config_list,
diff --git a/src/hardware/tondaj-sl-814/api.c b/src/hardware/tondaj-sl-814/api.c
index 490f8ca..e7348a2 100644
--- a/src/hardware/tondaj-sl-814/api.c
+++ b/src/hardware/tondaj-sl-814/api.c
@@ -106,11 +106,6 @@ static GSList *scan(struct sr_dev_driver *di, GSList 
*options)
        return devices;
 }
 
-static GSList *dev_list(const struct sr_dev_driver *di)
-{
-       return ((struct drv_context *)(di->context))->instances;
-}
-
 static int config_set(uint32_t key, GVariant *data, const struct sr_dev_inst 
*sdi,
                const struct sr_channel_group *cg)
 {
@@ -192,7 +187,7 @@ SR_PRIV struct sr_dev_driver tondaj_sl_814_driver_info = {
        .init = init,
        .cleanup = std_cleanup,
        .scan = scan,
-       .dev_list = dev_list,
+       .dev_list = std_dev_list,
        .dev_clear = NULL,
        .config_get = NULL,
        .config_set = config_set,
diff --git a/src/hardware/uni-t-dmm/api.c b/src/hardware/uni-t-dmm/api.c
index 4915ff3..39521dc 100644
--- a/src/hardware/uni-t-dmm/api.c
+++ b/src/hardware/uni-t-dmm/api.c
@@ -103,11 +103,6 @@ static GSList *scan(struct sr_dev_driver *di, GSList 
*options)
        return devices;
 }
 
-static GSList *dev_list(const struct sr_dev_driver *di)
-{
-       return ((struct drv_context *)(di->context))->instances;
-}
-
 static int dev_open(struct sr_dev_inst *sdi)
 {
        struct sr_dev_driver *di;
@@ -226,7 +221,7 @@ static int dev_acquisition_stop(struct sr_dev_inst *sdi, 
void *cb_data)
                        .init = init, \
                        .cleanup = std_cleanup, \
                        .scan = scan, \
-                       .dev_list = dev_list, \
+                       .dev_list = std_dev_list, \
                        .config_get = NULL, \
                        .config_set = config_set, \
                        .config_list = config_list, \
diff --git a/src/hardware/uni-t-ut32x/api.c b/src/hardware/uni-t-ut32x/api.c
index 4a9d76a..ee75841 100644
--- a/src/hardware/uni-t-ut32x/api.c
+++ b/src/hardware/uni-t-ut32x/api.c
@@ -98,11 +98,6 @@ static GSList *scan(struct sr_dev_driver *di, GSList 
*options)
        return devices;
 }
 
-static GSList *dev_list(const struct sr_dev_driver *di)
-{
-       return ((struct drv_context *)(di->context))->instances;
-}
-
 static int dev_open(struct sr_dev_inst *sdi)
 {
        struct sr_dev_driver *di = sdi->driver;
@@ -342,7 +337,7 @@ SR_PRIV struct sr_dev_driver uni_t_ut32x_driver_info = {
        .init = init,
        .cleanup = std_cleanup,
        .scan = scan,
-       .dev_list = dev_list,
+       .dev_list = std_dev_list,
        .dev_clear = NULL,
        .config_get = config_get,
        .config_set = config_set,
diff --git a/src/hardware/victor-dmm/api.c b/src/hardware/victor-dmm/api.c
index c4e8af0..5546a3c 100644
--- a/src/hardware/victor-dmm/api.c
+++ b/src/hardware/victor-dmm/api.c
@@ -101,11 +101,6 @@ static GSList *scan(struct sr_dev_driver *di, GSList 
*options)
        return devices;
 }
 
-static GSList *dev_list(const struct sr_dev_driver *di)
-{
-       return ((struct drv_context *)(di->context))->instances;
-}
-
 static int dev_open(struct sr_dev_inst *sdi)
 {
        struct sr_dev_driver *di = sdi->driver;
@@ -422,7 +417,7 @@ SR_PRIV struct sr_dev_driver victor_dmm_driver_info = {
        .init = init,
        .cleanup = std_cleanup,
        .scan = scan,
-       .dev_list = dev_list,
+       .dev_list = std_dev_list,
        .dev_clear = NULL,
        .config_get = config_get,
        .config_set = config_set,
diff --git a/src/hardware/yokogawa-dlm/api.c b/src/hardware/yokogawa-dlm/api.c
index 52b6668..a4620d9 100644
--- a/src/hardware/yokogawa-dlm/api.c
+++ b/src/hardware/yokogawa-dlm/api.c
@@ -128,11 +128,6 @@ static GSList *scan(struct sr_dev_driver *di, GSList 
*options)
        return sr_scpi_scan(di->context, options, probe_usbtmc_device);
 }
 
-static GSList *dev_list(const struct sr_dev_driver *di)
-{
-       return ((struct drv_context *)(di->context))->instances;
-}
-
 static void clear_helper(void *priv)
 {
        struct dev_context *devc;
@@ -698,7 +693,7 @@ SR_PRIV struct sr_dev_driver yokogawa_dlm_driver_info = {
        .init = init,
        .cleanup = std_cleanup,
        .scan = scan,
-       .dev_list = dev_list,
+       .dev_list = std_dev_list,
        .dev_clear = dev_clear,
        .config_get = config_get,
        .config_set = config_set,
diff --git a/src/hardware/zeroplus-logic-cube/api.c 
b/src/hardware/zeroplus-logic-cube/api.c
index 6542356..bbc539e 100644
--- a/src/hardware/zeroplus-logic-cube/api.c
+++ b/src/hardware/zeroplus-logic-cube/api.c
@@ -256,11 +256,6 @@ static GSList *scan(struct sr_dev_driver *di, GSList 
*options)
        return devices;
 }
 
-static GSList *dev_list(const struct sr_dev_driver *di)
-{
-       return ((struct drv_context *)(di->context))->instances;
-}
-
 static int dev_open(struct sr_dev_inst *sdi)
 {
        struct sr_dev_driver *di = sdi->driver;
@@ -722,7 +717,7 @@ SR_PRIV struct sr_dev_driver 
zeroplus_logic_cube_driver_info = {
        .init = init,
        .cleanup = std_cleanup,
        .scan = scan,
-       .dev_list = dev_list,
+       .dev_list = std_dev_list,
        .dev_clear = NULL,
        .config_get = config_get,
        .config_set = config_set,
diff --git a/src/libsigrok-internal.h b/src/libsigrok-internal.h
index 3d2ca8c..f69373d 100644
--- a/src/libsigrok-internal.h
+++ b/src/libsigrok-internal.h
@@ -860,6 +860,7 @@ SR_PRIV int std_session_send_df_header(const struct 
sr_dev_inst *sdi,
                const char *prefix);
 SR_PRIV int std_dev_clear(const struct sr_dev_driver *driver,
                std_dev_clear_callback clear_private);
+SR_PRIV GSList *std_dev_list(const struct sr_dev_driver *di);
 SR_PRIV int std_serial_dev_close(struct sr_dev_inst *sdi);
 
 /*--- resource.c ------------------------------------------------------------*/
diff --git a/src/std.c b/src/std.c
index a2a62b7..4cb5542 100644
--- a/src/std.c
+++ b/src/std.c
@@ -313,3 +313,22 @@ SR_PRIV int std_dev_clear(const struct sr_dev_driver 
*driver,
 
        return ret;
 }
+
+/**
+ * Standard implementation for the driver dev_list() callback
+ *
+ * This function can be used as the dev_list callback by most drivers that use
+ * the standard helper functions. It returns the devices contained in the 
driver
+ * context instances list.
+ *
+ * @param di The driver instance to use.
+ *
+ * @return The list of devices/instances of this driver, or NULL upon errors
+ *         or if the list is empty.
+ */
+SR_PRIV GSList *std_dev_list(const struct sr_dev_driver *di)
+{
+       struct drv_context *drvc = di->context;
+
+       return drvc->instances;
+}
-- 
2.1.4


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