From: Jean Pihet <j-pi...@ti.com>
Associate a name with each SmartReflex instance, rather than
attempting to reuse the name of a voltage domain. This helps remove
any dependencies on SoC-specific structures.
Signed-off-by: Jean Pihet <j-pi...@ti.com>
---
arch/arm/mach-omap2/smartreflex-class3.c | 2 +-
arch/arm/mach-omap2/smartreflex.c | 23 ++++++-----------------
arch/arm/mach-omap2/smartreflex.h | 3 +++
arch/arm/mach-omap2/sr_device.c | 10 ++++++----
4 files changed, 16 insertions(+), 22 deletions(-)
diff --git a/arch/arm/mach-omap2/smartreflex-class3.c
b/arch/arm/mach-omap2/smartreflex-class3.c
index c9ea22f..f741193 100644
--- a/arch/arm/mach-omap2/smartreflex-class3.c
+++ b/arch/arm/mach-omap2/smartreflex-class3.c
@@ -19,7 +19,7 @@ static int sr_class3_enable(struct smartreflex *sr)
if (!volt) {
pr_warning("%s: Curr voltage unknown. Cannot enable sr_%s\n",
- __func__, sr->voltdm->name);
+ __func__, sr->name);
return -ENODATA;
}
diff --git a/arch/arm/mach-omap2/smartreflex.c
b/arch/arm/mach-omap2/smartreflex.c
index 66c6f6b..5a72c87 100644
--- a/arch/arm/mach-omap2/smartreflex.c
+++ b/arch/arm/mach-omap2/smartreflex.c
@@ -191,19 +191,13 @@ static void sr_stop_vddautocomp(struct smartreflex *sr)
*/
static int sr_late_init(struct smartreflex *sr)
{
- char *name;
struct smartreflex_platform_data *pdata = sr->pdev->dev.platform_data;
struct resource *mem;
int ret = 0;
if (sr_class->notify && sr_class->notify_flags && sr->irq) {
- name = kasprintf(GFP_KERNEL, "sr_%s", sr->voltdm->name);
- if (name == NULL) {
- ret = -ENOMEM;
- goto error;
- }
- ret = request_irq(sr->irq, sr_interrupt,
- 0, name, (void *)sr);
+ ret = request_irq(sr->irq, sr_interrupt, 0, sr->name,
+ (void *)sr);
if (ret)
goto error;
disable_irq(sr->irq);
@@ -222,7 +216,6 @@ error:
dev_err(&sr->pdev->dev, "%s: ERROR in registering"
"interrupt handler. Smartreflex will"
"not function as desired\n", __func__);
- kfree(name);
kfree(sr);
return ret;
}
@@ -707,7 +700,6 @@ static int __init omap_sr_probe(struct platform_device
*pdev)
struct resource *mem, *irq;
struct dentry *nvalue_dir;
int i, ret = 0;
- char *name;
if (!sr) {
dev_err(&pdev->dev, "%s: unable to allocate sr\n", __func__);
@@ -792,15 +784,14 @@ static int __init omap_sr_probe(struct platform_device
*pdev)
}
}
- name = kasprintf(GFP_KERNEL, "sr_%s", sr->voltdm->name);
- if (!name) {
+ sr->name = kasprintf(GFP_KERNEL, "sr_%s", pdata->name);
+ if (!sr->name) {
dev_err(&pdev->dev, "%s: Unable to alloc debugfs name\n",
__func__);
ret = -ENOMEM;
goto err_iounmap;
}
- sr->dbg_dir = debugfs_create_dir(name, sr_dbg_dir);
- kfree(name);
+ sr->dbg_dir = debugfs_create_dir(sr->name, sr_dbg_dir);
if (IS_ERR(sr->dbg_dir)) {
dev_err(&pdev->dev, "%s: Unable to create debugfs directory\n",
__func__);
@@ -824,9 +815,7 @@ static int __init omap_sr_probe(struct platform_device
*pdev)
}
if (sr->nvalue_count == 0 || !sr->nvalue_table) {
- dev_warn(&pdev->dev, "%s: No Voltage table for the "
- "corresponding vdd vdd_%s. Cannot create debugfs "
- "entries for n-values\n", __func__, sr->voltdm->name);
+ dev_warn(&pdev->dev, "%s: no SR data table\n", __func__);
ret = -ENODATA;
goto err_debugfs;
}
diff --git a/arch/arm/mach-omap2/smartreflex.h
b/arch/arm/mach-omap2/smartreflex.h
index ca70a90..7b0304a 100644
--- a/arch/arm/mach-omap2/smartreflex.h
+++ b/arch/arm/mach-omap2/smartreflex.h
@@ -144,6 +144,7 @@
/* XXX kerneldoc documentation needed */
struct smartreflex {
+ char *name;
int srid;
int ip_type;
int nvalue_count;
@@ -228,6 +229,7 @@ struct omap_sr_nvalue_table {
/**
* struct smartreflex_platform_data - Smartreflex platform data.
*
+ * @name: XXX
* @ip_type: Smartreflex IP type.
* @err_weight: XXX
* @err_maxlimit: XXX
@@ -246,6 +248,7 @@ struct omap_sr_nvalue_table {
* associated with this SR device (allocated in *_probe())
*/
struct smartreflex_platform_data {
+ const char *name;
int ip_type;
u32 err_weight;
u32 err_maxlimit;
diff --git a/arch/arm/mach-omap2/sr_device.c b/arch/arm/mach-omap2/sr_device.c
index 2dec827..aece907 100644
--- a/arch/arm/mach-omap2/sr_device.c
+++ b/arch/arm/mach-omap2/sr_device.c
@@ -82,7 +82,7 @@ static void __init sr_set_nvalues(struct omap_volt_data
*volt_data,
*/
if (v == 0) {
pr_debug("SR: %s: voltage %d: no N value; skipping\n",
- sr_data->voltdm->name,
volt_data[i].volt_nominal);
+ pdata->name, volt_data[i].volt_nominal);
continue;
}
@@ -103,6 +103,7 @@ static int sr_dev_init(struct omap_hwmod *oh, void *user)
struct platform_device *pdev;
struct omap_volt_data *volt_data;
struct omap_sr_dev_attr *da;
+ struct voltagedomain *voltdm;
char *name = "smartreflex";
pdata = kzalloc(sizeof(struct smartreflex_platform_data), GFP_KERNEL);
@@ -118,6 +119,7 @@ static int sr_dev_init(struct omap_hwmod *oh, void *user)
goto exit;
}
+ pdata->name = oh->name;
pdata->ip_type = oh->class->rev;
pdata->senn_mod = 0x1;
pdata->senp_mod = 0x1;
@@ -130,14 +132,14 @@ static int sr_dev_init(struct omap_hwmod *oh, void *user)
pdata->senn_avgweight = da->senn_avgweight;
pdata->senp_avgweight = da->senp_avgweight;
- pdata->voltdm = voltdm_lookup(da->sensor_voltdm_name);
- if (IS_ERR(pdata->voltdm)) {
+ voltdm = voltdm_lookup(da->sensor_voltdm_name);
+ if (IS_ERR(voltdm)) {
pr_err("%s: Unable to get voltage domain pointer for VDD %s\n",
__func__, da->sensor_voltdm_name);
goto exit;
}
- omap_voltage_get_volttable(pdata->voltdm, &volt_data);
+ omap_voltage_get_volttable(voltdm, &volt_data);
if (!volt_data) {
pr_warning("%s: No Voltage table registerd fo VDD %s."
"Something really wrong\n\n", __func__,
--
1.7.5.4
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