diff options
-rw-r--r-- | drivers/i2c/busses/i2c-brcmstb.c | 8 | ||||
-rw-r--r-- | drivers/i2c/busses/i2c-davinci.c | 4 | ||||
-rw-r--r-- | drivers/i2c/busses/i2c-gpio.c | 40 | ||||
-rw-r--r-- | drivers/i2c/busses/i2c-s3c2410.c | 4 | ||||
-rw-r--r-- | drivers/i2c/busses/i2c-sprd.c | 8 | ||||
-rw-r--r-- | drivers/i2c/i2c-core-slave.c | 8 | ||||
-rw-r--r-- | drivers/iio/temperature/mlx90614.c | 4 | ||||
-rw-r--r-- | include/linux/i2c.h | 12 |
8 files changed, 38 insertions, 50 deletions
diff --git a/drivers/i2c/busses/i2c-brcmstb.c b/drivers/i2c/busses/i2c-brcmstb.c index 78792b4d6437..826d32049996 100644 --- a/drivers/i2c/busses/i2c-brcmstb.c +++ b/drivers/i2c/busses/i2c-brcmstb.c @@ -689,9 +689,9 @@ static int brcmstb_i2c_suspend(struct device *dev) { struct brcmstb_i2c_dev *i2c_dev = dev_get_drvdata(dev); - i2c_lock_adapter(&i2c_dev->adapter); + i2c_lock_bus(&i2c_dev->adapter, I2C_LOCK_ROOT_ADAPTER); i2c_dev->is_suspended = true; - i2c_unlock_adapter(&i2c_dev->adapter); + i2c_unlock_bus(&i2c_dev->adapter, I2C_LOCK_ROOT_ADAPTER); return 0; } @@ -700,10 +700,10 @@ static int brcmstb_i2c_resume(struct device *dev) { struct brcmstb_i2c_dev *i2c_dev = dev_get_drvdata(dev); - i2c_lock_adapter(&i2c_dev->adapter); + i2c_lock_bus(&i2c_dev->adapter, I2C_LOCK_ROOT_ADAPTER); brcmstb_i2c_set_bsc_reg_defaults(i2c_dev); i2c_dev->is_suspended = false; - i2c_unlock_adapter(&i2c_dev->adapter); + i2c_unlock_bus(&i2c_dev->adapter, I2C_LOCK_ROOT_ADAPTER); return 0; } diff --git a/drivers/i2c/busses/i2c-davinci.c b/drivers/i2c/busses/i2c-davinci.c index 75d6ab177055..d945a2654c2f 100644 --- a/drivers/i2c/busses/i2c-davinci.c +++ b/drivers/i2c/busses/i2c-davinci.c @@ -714,14 +714,14 @@ static int i2c_davinci_cpufreq_transition(struct notifier_block *nb, dev = container_of(nb, struct davinci_i2c_dev, freq_transition); - i2c_lock_adapter(&dev->adapter); + i2c_lock_bus(&dev->adapter, I2C_LOCK_ROOT_ADAPTER); if (val == CPUFREQ_PRECHANGE) { davinci_i2c_reset_ctrl(dev, 0); } else if (val == CPUFREQ_POSTCHANGE) { i2c_davinci_calc_clk_dividers(dev); davinci_i2c_reset_ctrl(dev, 1); } - i2c_unlock_adapter(&dev->adapter); + i2c_unlock_bus(&dev->adapter, I2C_LOCK_ROOT_ADAPTER); return 0; } diff --git a/drivers/i2c/busses/i2c-gpio.c b/drivers/i2c/busses/i2c-gpio.c index 66f85bbf3591..20b3dd756fc7 100644 --- a/drivers/i2c/busses/i2c-gpio.c +++ b/drivers/i2c/busses/i2c-gpio.c @@ -78,24 +78,24 @@ static struct dentry *i2c_gpio_debug_dir; #define getscl(bd) ((bd)->getscl((bd)->data)) #define WIRE_ATTRIBUTE(wire) \ -static int fops_##wire##_get(void *data, u64 *val) \ -{ \ - struct i2c_gpio_private_data *priv = data; \ - \ - i2c_lock_adapter(&priv->adap); \ - *val = get##wire(&priv->bit_data); \ - i2c_unlock_adapter(&priv->adap); \ - return 0; \ -} \ -static int fops_##wire##_set(void *data, u64 val) \ -{ \ - struct i2c_gpio_private_data *priv = data; \ - \ - i2c_lock_adapter(&priv->adap); \ - set##wire(&priv->bit_data, val); \ - i2c_unlock_adapter(&priv->adap); \ - return 0; \ -} \ +static int fops_##wire##_get(void *data, u64 *val) \ +{ \ + struct i2c_gpio_private_data *priv = data; \ + \ + i2c_lock_bus(&priv->adap, I2C_LOCK_ROOT_ADAPTER); \ + *val = get##wire(&priv->bit_data); \ + i2c_unlock_bus(&priv->adap, I2C_LOCK_ROOT_ADAPTER); \ + return 0; \ +} \ +static int fops_##wire##_set(void *data, u64 val) \ +{ \ + struct i2c_gpio_private_data *priv = data; \ + \ + i2c_lock_bus(&priv->adap, I2C_LOCK_ROOT_ADAPTER); \ + set##wire(&priv->bit_data, val); \ + i2c_unlock_bus(&priv->adap, I2C_LOCK_ROOT_ADAPTER); \ + return 0; \ +} \ DEFINE_DEBUGFS_ATTRIBUTE(fops_##wire, fops_##wire##_get, fops_##wire##_set, "%llu\n") WIRE_ATTRIBUTE(scl); @@ -113,7 +113,7 @@ static int fops_incomplete_transfer_set(void *data, u64 addr) /* ADDR (7 bit) + RD (1 bit) + SDA hi (1 bit) */ pattern = (addr << 2) | 3; - i2c_lock_adapter(&priv->adap); + i2c_lock_bus(&priv->adap, I2C_LOCK_ROOT_ADAPTER); /* START condition */ setsda(bit_data, 0); @@ -129,7 +129,7 @@ static int fops_incomplete_transfer_set(void *data, u64 addr) udelay(bit_data->udelay); } - i2c_unlock_adapter(&priv->adap); + i2c_unlock_bus(&priv->adap, I2C_LOCK_ROOT_ADAPTER); return 0; } diff --git a/drivers/i2c/busses/i2c-s3c2410.c b/drivers/i2c/busses/i2c-s3c2410.c index 9fe2b6951895..2f2e28d60ef5 100644 --- a/drivers/i2c/busses/i2c-s3c2410.c +++ b/drivers/i2c/busses/i2c-s3c2410.c @@ -919,9 +919,9 @@ static int s3c24xx_i2c_cpufreq_transition(struct notifier_block *nb, if ((val == CPUFREQ_POSTCHANGE && delta_f < 0) || (val == CPUFREQ_PRECHANGE && delta_f > 0)) { - i2c_lock_adapter(&i2c->adap); + i2c_lock_bus(&i2c->adap, I2C_LOCK_ROOT_ADAPTER); ret = s3c24xx_i2c_clockrate(i2c, &got); - i2c_unlock_adapter(&i2c->adap); + i2c_unlock_bus(&i2c->adap, I2C_LOCK_ROOT_ADAPTER); if (ret < 0) dev_err(i2c->dev, "cannot find frequency (%d)\n", ret); diff --git a/drivers/i2c/busses/i2c-sprd.c b/drivers/i2c/busses/i2c-sprd.c index 4053259bccb8..a94e724f51dc 100644 --- a/drivers/i2c/busses/i2c-sprd.c +++ b/drivers/i2c/busses/i2c-sprd.c @@ -590,9 +590,9 @@ static int __maybe_unused sprd_i2c_suspend_noirq(struct device *pdev) { struct sprd_i2c *i2c_dev = dev_get_drvdata(pdev); - i2c_lock_adapter(&i2c_dev->adap); + i2c_lock_bus(&i2c_dev->adap, I2C_LOCK_ROOT_ADAPTER); i2c_dev->is_suspended = true; - i2c_unlock_adapter(&i2c_dev->adap); + i2c_unlock_bus(&i2c_dev->adap, I2C_LOCK_ROOT_ADAPTER); return pm_runtime_force_suspend(pdev); } @@ -601,9 +601,9 @@ static int __maybe_unused sprd_i2c_resume_noirq(struct device *pdev) { struct sprd_i2c *i2c_dev = dev_get_drvdata(pdev); - i2c_lock_adapter(&i2c_dev->adap); + i2c_lock_bus(&i2c_dev->adap, I2C_LOCK_ROOT_ADAPTER); i2c_dev->is_suspended = false; - i2c_unlock_adapter(&i2c_dev->adap); + i2c_unlock_bus(&i2c_dev->adap, I2C_LOCK_ROOT_ADAPTER); return pm_runtime_force_resume(pdev); } diff --git a/drivers/i2c/i2c-core-slave.c b/drivers/i2c/i2c-core-slave.c index 4a78c65e9971..47a9f70a24a9 100644 --- a/drivers/i2c/i2c-core-slave.c +++ b/drivers/i2c/i2c-core-slave.c @@ -47,9 +47,9 @@ int i2c_slave_register(struct i2c_client *client, i2c_slave_cb_t slave_cb) client->slave_cb = slave_cb; - i2c_lock_adapter(client->adapter); + i2c_lock_bus(client->adapter, I2C_LOCK_ROOT_ADAPTER); ret = client->adapter->algo->reg_slave(client); - i2c_unlock_adapter(client->adapter); + i2c_unlock_bus(client->adapter, I2C_LOCK_ROOT_ADAPTER); if (ret) { client->slave_cb = NULL; @@ -69,9 +69,9 @@ int i2c_slave_unregister(struct i2c_client *client) return -EOPNOTSUPP; } - i2c_lock_adapter(client->adapter); + i2c_lock_bus(client->adapter, I2C_LOCK_ROOT_ADAPTER); ret = client->adapter->algo->unreg_slave(client); - i2c_unlock_adapter(client->adapter); + i2c_unlock_bus(client->adapter, I2C_LOCK_ROOT_ADAPTER); if (ret == 0) client->slave_cb = NULL; diff --git a/drivers/iio/temperature/mlx90614.c b/drivers/iio/temperature/mlx90614.c index d619e8634a00..13a4cec64ea8 100644 --- a/drivers/iio/temperature/mlx90614.c +++ b/drivers/iio/temperature/mlx90614.c @@ -433,11 +433,11 @@ static int mlx90614_wakeup(struct mlx90614_data *data) dev_dbg(&data->client->dev, "Requesting wake-up"); - i2c_lock_adapter(data->client->adapter); + i2c_lock_bus(data->client->adapter, I2C_LOCK_ROOT_ADAPTER); gpiod_direction_output(data->wakeup_gpio, 0); msleep(MLX90614_TIMING_WAKEUP); gpiod_direction_input(data->wakeup_gpio); - i2c_unlock_adapter(data->client->adapter); + i2c_unlock_bus(data->client->adapter, I2C_LOCK_ROOT_ADAPTER); data->ready_timestamp = jiffies + msecs_to_jiffies(MLX90614_TIMING_STARTUP); diff --git a/include/linux/i2c.h b/include/linux/i2c.h index 254cd34eeae2..795e3a860afe 100644 --- a/include/linux/i2c.h +++ b/include/linux/i2c.h @@ -754,18 +754,6 @@ i2c_unlock_bus(struct i2c_adapter *adapter, unsigned int flags) adapter->lock_ops->unlock_bus(adapter, flags); } -static inline void -i2c_lock_adapter(struct i2c_adapter *adapter) -{ - i2c_lock_bus(adapter, I2C_LOCK_ROOT_ADAPTER); -} - -static inline void -i2c_unlock_adapter(struct i2c_adapter *adapter) -{ - i2c_unlock_bus(adapter, I2C_LOCK_ROOT_ADAPTER); -} - /*flags for the client struct: */ #define I2C_CLIENT_PEC 0x04 /* Use Packet Error Checking */ #define I2C_CLIENT_TEN 0x10 /* we have a ten bit chip address */ |