We almost always use patter like this:
skb = mt76_mcu_msg_alloc(dev, &msg, sizeof(msg));
return mt76_mcu_send_msg(dev, skb, CMD_FUN_SET_OP, wait_resp);
This is not needed, we can allocate skb in mcu_send_msg routine.
Signed-off-by: Stanislaw Gruszka <sgrus...@redhat.com>
---
drivers/net/wireless/mediatek/mt76/mt76.h | 6 ++---
.../net/wireless/mediatek/mt76/mt76x0/pci_mcu.c | 1 -
drivers/net/wireless/mediatek/mt76/mt76x02_mcu.c | 26 ++++++++++------------
drivers/net/wireless/mediatek/mt76/mt76x02_mcu.h | 5 ++---
.../net/wireless/mediatek/mt76/mt76x02_usb_mcu.c | 18 +++++++++------
drivers/net/wireless/mediatek/mt76/mt76x2/mcu.c | 22 +++++++-----------
.../net/wireless/mediatek/mt76/mt76x2/pci_mcu.c | 1 -
7 files changed, 35 insertions(+), 44 deletions(-)
diff --git a/drivers/net/wireless/mediatek/mt76/mt76.h
b/drivers/net/wireless/mediatek/mt76/mt76.h
index 94ab00b549af..e1d89163ee6b 100644
--- a/drivers/net/wireless/mediatek/mt76/mt76.h
+++ b/drivers/net/wireless/mediatek/mt76/mt76.h
@@ -135,9 +135,8 @@ struct mt76_queue {
};
struct mt76_mcu_ops {
- struct sk_buff *(*mcu_msg_alloc)(const void *data, int len);
- int (*mcu_send_msg)(struct mt76_dev *dev, struct sk_buff *skb,
- int cmd, bool wait_resp);
+ int (*mcu_send_msg)(struct mt76_dev *dev, int cmd, const void *data,
+ int len, bool wait_resp);
int (*mcu_wr_rp)(struct mt76_dev *dev, u32 base,
const struct mt76_reg_pair *rp, int len);
int (*mcu_rd_rp)(struct mt76_dev *dev, u32 base,
@@ -503,7 +502,6 @@ struct mt76_rx_status {
#define mt76_wr_rp(dev, ...) (dev)->mt76.bus->wr_rp(&((dev)->mt76),
__VA_ARGS__)
#define mt76_rd_rp(dev, ...) (dev)->mt76.bus->rd_rp(&((dev)->mt76),
__VA_ARGS__)
-#define mt76_mcu_msg_alloc(dev, ...)
(dev)->mt76.mcu_ops->mcu_msg_alloc(__VA_ARGS__)
#define mt76_mcu_send_msg(dev, ...)
(dev)->mt76.mcu_ops->mcu_send_msg(&((dev)->mt76), __VA_ARGS__)
#define mt76_set(dev, offset, val) mt76_rmw(dev, offset, 0, val)
diff --git a/drivers/net/wireless/mediatek/mt76/mt76x0/pci_mcu.c
b/drivers/net/wireless/mediatek/mt76/mt76x0/pci_mcu.c
index aca0ea318dce..490c1869f2c4 100644
--- a/drivers/net/wireless/mediatek/mt76/mt76x0/pci_mcu.c
+++ b/drivers/net/wireless/mediatek/mt76/mt76x0/pci_mcu.c
@@ -127,7 +127,6 @@ static int mt76x0e_load_firmware(struct mt76x02_dev *dev)
int mt76x0e_mcu_init(struct mt76x02_dev *dev)
{
static const struct mt76_mcu_ops mt76x0e_mcu_ops = {
- .mcu_msg_alloc = mt76x02_mcu_msg_alloc,
.mcu_send_msg = mt76x02_mcu_msg_send,
};
int err;
diff --git a/drivers/net/wireless/mediatek/mt76/mt76x02_mcu.c
b/drivers/net/wireless/mediatek/mt76/mt76x02_mcu.c
index 1b853bb723fb..550e73f81438 100644
--- a/drivers/net/wireless/mediatek/mt76/mt76x02_mcu.c
+++ b/drivers/net/wireless/mediatek/mt76/mt76x02_mcu.c
@@ -21,7 +21,7 @@
#include "mt76x02_mcu.h"
-struct sk_buff *mt76x02_mcu_msg_alloc(const void *data, int len)
+static struct sk_buff *mt76x02_mcu_msg_alloc(const void *data, int len)
{
struct sk_buff *skb;
@@ -32,7 +32,6 @@ struct sk_buff *mt76x02_mcu_msg_alloc(const void *data, int
len)
return skb;
}
-EXPORT_SYMBOL_GPL(mt76x02_mcu_msg_alloc);
static struct sk_buff *
mt76x02_mcu_get_response(struct mt76x02_dev *dev, unsigned long expires)
@@ -80,16 +79,18 @@ mt76x02_tx_queue_mcu(struct mt76x02_dev *dev, enum
mt76_txq_id qid,
return 0;
}
-int mt76x02_mcu_msg_send(struct mt76_dev *mdev, struct sk_buff *skb,
- int cmd, bool wait_resp)
+int mt76x02_mcu_msg_send(struct mt76_dev *mdev, int cmd, const void *data,
+ int len, bool wait_resp)
{
struct mt76x02_dev *dev = container_of(mdev, struct mt76x02_dev, mt76);
unsigned long expires = jiffies + HZ;
+ struct sk_buff *skb;
int ret;
u8 seq;
+ skb = mt76x02_mcu_msg_alloc(data, len);
if (!skb)
- return -EINVAL;
+ return -ENOMEM;
mutex_lock(&mdev->mmio.mcu.mutex);
@@ -135,7 +136,6 @@ int mt76x02_mcu_function_select(struct mt76x02_dev *dev,
enum mcu_function func,
u32 val, bool wait_resp)
{
- struct sk_buff *skb;
struct {
__le32 id;
__le32 value;
@@ -144,15 +144,14 @@ int mt76x02_mcu_function_select(struct mt76x02_dev *dev,
.value = cpu_to_le32(val),
};
- skb = mt76_mcu_msg_alloc(dev, &msg, sizeof(msg));
- return mt76_mcu_send_msg(dev, skb, CMD_FUN_SET_OP, wait_resp);
+ return mt76_mcu_send_msg(dev, CMD_FUN_SET_OP, &msg, sizeof(msg),
+ wait_resp);
}
EXPORT_SYMBOL_GPL(mt76x02_mcu_function_select);
int mt76x02_mcu_set_radio_state(struct mt76x02_dev *dev, bool on,
bool wait_resp)
{
- struct sk_buff *skb;
struct {
__le32 mode;
__le32 level;
@@ -161,15 +160,14 @@ int mt76x02_mcu_set_radio_state(struct mt76x02_dev *dev,
bool on,
.level = cpu_to_le32(0),
};
- skb = mt76_mcu_msg_alloc(dev, &msg, sizeof(msg));
- return mt76_mcu_send_msg(dev, skb, CMD_POWER_SAVING_OP, wait_resp);
+ return mt76_mcu_send_msg(dev, CMD_POWER_SAVING_OP, &msg, sizeof(msg),
+ wait_resp);
}
EXPORT_SYMBOL_GPL(mt76x02_mcu_set_radio_state);
int mt76x02_mcu_calibrate(struct mt76x02_dev *dev, int type,
u32 param, bool wait)
{
- struct sk_buff *skb;
struct {
__le32 id;
__le32 value;
@@ -182,8 +180,8 @@ int mt76x02_mcu_calibrate(struct mt76x02_dev *dev, int type,
if (wait)
mt76_rmw(dev, MT_MCU_COM_REG0, BIT(31), 0);
- skb = mt76_mcu_msg_alloc(dev, &msg, sizeof(msg));
- ret = mt76_mcu_send_msg(dev, skb, CMD_CALIBRATION_OP, true);
+ ret = mt76_mcu_send_msg(dev, CMD_CALIBRATION_OP, &msg, sizeof(msg),
+ true);
if (ret)
return ret;
diff --git a/drivers/net/wireless/mediatek/mt76/mt76x02_mcu.h
b/drivers/net/wireless/mediatek/mt76/mt76x02_mcu.h
index 2d8fd2514570..a3aee579d42c 100644
--- a/drivers/net/wireless/mediatek/mt76/mt76x02_mcu.h
+++ b/drivers/net/wireless/mediatek/mt76/mt76x02_mcu.h
@@ -99,9 +99,8 @@ struct mt76x02_patch_header {
int mt76x02_mcu_cleanup(struct mt76x02_dev *dev);
int mt76x02_mcu_calibrate(struct mt76x02_dev *dev, int type,
u32 param, bool wait);
-struct sk_buff *mt76x02_mcu_msg_alloc(const void *data, int len);
-int mt76x02_mcu_msg_send(struct mt76_dev *mdev, struct sk_buff *skb,
- int cmd, bool wait_resp);
+int mt76x02_mcu_msg_send(struct mt76_dev *mdev, int cmd, const void *data,
+ int len, bool wait_resp);
int mt76x02_mcu_function_select(struct mt76x02_dev *dev,
enum mcu_function func,
u32 val, bool wait_resp);
diff --git a/drivers/net/wireless/mediatek/mt76/mt76x02_usb_mcu.c
b/drivers/net/wireless/mediatek/mt76/mt76x02_usb_mcu.c
index da299b8a1334..6db789f90269 100644
--- a/drivers/net/wireless/mediatek/mt76/mt76x02_usb_mcu.c
+++ b/drivers/net/wireless/mediatek/mt76/mt76x02_usb_mcu.c
@@ -129,9 +129,6 @@ __mt76x02u_mcu_send_msg(struct mt76_dev *dev, struct
sk_buff *skb,
u8 seq = 0;
u32 info;
- if (!skb)
- return -EINVAL;
-
if (test_bit(MT76_REMOVED, &dev->state))
return 0;
@@ -162,12 +159,17 @@ __mt76x02u_mcu_send_msg(struct mt76_dev *dev, struct
sk_buff *skb,
}
static int
-mt76x02u_mcu_send_msg(struct mt76_dev *dev, struct sk_buff *skb,
- int cmd, bool wait_resp)
+mt76x02u_mcu_send_msg(struct mt76_dev *dev, int cmd, const void *data,
+ int len, bool wait_resp)
{
struct mt76_usb *usb = &dev->usb;
+ struct sk_buff *skb;
int err;
+ skb = mt76x02u_mcu_msg_alloc(data, len);
+ if (!skb)
+ return -ENOMEM;
+
mutex_lock(&usb->mcu.mutex);
err = __mt76x02u_mcu_send_msg(dev, skb, cmd, wait_resp);
mutex_unlock(&usb->mcu.mutex);
@@ -186,6 +188,7 @@ mt76x02u_mcu_wr_rp(struct mt76_dev *dev, u32 base,
{
const int CMD_RANDOM_WRITE = 12;
const int max_vals_per_cmd = MT_INBAND_PACKET_MAX_LEN / 8;
+ struct mt76_usb *usb = &dev->usb;
struct sk_buff *skb;
int cnt, i, ret;
@@ -204,7 +207,9 @@ mt76x02u_mcu_wr_rp(struct mt76_dev *dev, u32 base,
skb_put_le32(skb, data[i].value);
}
- ret = mt76x02u_mcu_send_msg(dev, skb, CMD_RANDOM_WRITE, cnt == n);
+ mutex_lock(&usb->mcu.mutex);
+ ret = __mt76x02u_mcu_send_msg(dev, skb, CMD_RANDOM_WRITE, cnt == n);
+ mutex_unlock(&usb->mcu.mutex);
if (ret)
return ret;
@@ -345,7 +350,6 @@ EXPORT_SYMBOL_GPL(mt76x02u_mcu_fw_send_data);
void mt76x02u_init_mcu(struct mt76_dev *dev)
{
static const struct mt76_mcu_ops mt76x02u_mcu_ops = {
- .mcu_msg_alloc = mt76x02u_mcu_msg_alloc,
.mcu_send_msg = mt76x02u_mcu_send_msg,
.mcu_wr_rp = mt76x02u_mcu_wr_rp,
.mcu_rd_rp = mt76x02u_mcu_rd_rp,
diff --git a/drivers/net/wireless/mediatek/mt76/mt76x2/mcu.c
b/drivers/net/wireless/mediatek/mt76/mt76x2/mcu.c
index 88bd62cfbdf9..cd3e082f486c 100644
--- a/drivers/net/wireless/mediatek/mt76/mt76x2/mcu.c
+++ b/drivers/net/wireless/mediatek/mt76/mt76x2/mcu.c
@@ -26,7 +26,6 @@
int mt76x2_mcu_set_channel(struct mt76x02_dev *dev, u8 channel, u8 bw,
u8 bw_index, bool scan)
{
- struct sk_buff *skb;
struct {
u8 idx;
u8 scan;
@@ -45,21 +44,19 @@ int mt76x2_mcu_set_channel(struct mt76x02_dev *dev, u8
channel, u8 bw,
};
/* first set the channel without the extension channel info */
- skb = mt76_mcu_msg_alloc(dev, &msg, sizeof(msg));
- mt76_mcu_send_msg(dev, skb, CMD_SWITCH_CHANNEL_OP, true);
+ mt76_mcu_send_msg(dev, CMD_SWITCH_CHANNEL_OP, &msg, sizeof(msg), true);
usleep_range(5000, 10000);
msg.ext_chan = 0xe0 + bw_index;
- skb = mt76_mcu_msg_alloc(dev, &msg, sizeof(msg));
- return mt76_mcu_send_msg(dev, skb, CMD_SWITCH_CHANNEL_OP, true);
+ return mt76_mcu_send_msg(dev, CMD_SWITCH_CHANNEL_OP, &msg, sizeof(msg),
+ true);
}
EXPORT_SYMBOL_GPL(mt76x2_mcu_set_channel);
int mt76x2_mcu_load_cr(struct mt76x02_dev *dev, u8 type, u8 temp_level,
u8 channel)
{
- struct sk_buff *skb;
struct {
u8 cr_mode;
u8 temp;
@@ -80,15 +77,13 @@ int mt76x2_mcu_load_cr(struct mt76x02_dev *dev, u8 type, u8
temp_level,
msg.cfg = cpu_to_le32(val);
/* first set the channel without the extension channel info */
- skb = mt76_mcu_msg_alloc(dev, &msg, sizeof(msg));
- return mt76_mcu_send_msg(dev, skb, CMD_LOAD_CR, true);
+ return mt76_mcu_send_msg(dev, CMD_LOAD_CR, &msg, sizeof(msg), true);
}
EXPORT_SYMBOL_GPL(mt76x2_mcu_load_cr);
int mt76x2_mcu_init_gain(struct mt76x02_dev *dev, u8 channel, u32 gain,
bool force)
{
- struct sk_buff *skb;
struct {
__le32 channel;
__le32 gain_val;
@@ -100,15 +95,14 @@ int mt76x2_mcu_init_gain(struct mt76x02_dev *dev, u8
channel, u32 gain,
if (force)
msg.channel |= cpu_to_le32(BIT(31));
- skb = mt76_mcu_msg_alloc(dev, &msg, sizeof(msg));
- return mt76_mcu_send_msg(dev, skb, CMD_INIT_GAIN_OP, true);
+ return mt76_mcu_send_msg(dev, CMD_INIT_GAIN_OP, &msg, sizeof(msg),
+ true);
}
EXPORT_SYMBOL_GPL(mt76x2_mcu_init_gain);
int mt76x2_mcu_tssi_comp(struct mt76x02_dev *dev,
struct mt76x2_tssi_comp *tssi_data)
{
- struct sk_buff *skb;
struct {
__le32 id;
struct mt76x2_tssi_comp data;
@@ -117,7 +111,7 @@ int mt76x2_mcu_tssi_comp(struct mt76x02_dev *dev,
.data = *tssi_data,
};
- skb = mt76_mcu_msg_alloc(dev, &msg, sizeof(msg));
- return mt76_mcu_send_msg(dev, skb, CMD_CALIBRATION_OP, true);
+ return mt76_mcu_send_msg(dev, CMD_CALIBRATION_OP, &msg, sizeof(msg),
+ true);
}
EXPORT_SYMBOL_GPL(mt76x2_mcu_tssi_comp);
diff --git a/drivers/net/wireless/mediatek/mt76/mt76x2/pci_mcu.c
b/drivers/net/wireless/mediatek/mt76/mt76x2/pci_mcu.c
index d8fa9ba56437..b5067ee0b001 100644
--- a/drivers/net/wireless/mediatek/mt76/mt76x2/pci_mcu.c
+++ b/drivers/net/wireless/mediatek/mt76/mt76x2/pci_mcu.c
@@ -168,7 +168,6 @@ mt76pci_load_firmware(struct mt76x02_dev *dev)
int mt76x2_mcu_init(struct mt76x02_dev *dev)
{
static const struct mt76_mcu_ops mt76x2_mcu_ops = {
- .mcu_msg_alloc = mt76x02_mcu_msg_alloc,
.mcu_send_msg = mt76x02_mcu_msg_send,
};
int ret;
--
2.7.5
