@@ -234,7 +234,6 @@ struct reset_control;
* @set_sda_hold_time: callback to retrieve IP specific SDA hold timing
* @mode: operation mode - DW_IC_MASTER or DW_IC_SLAVE
* @rinfo: I²C GPIO recovery information
- * @suspended: set to true if the controller is suspended
*
* HCNT and LCNT parameters can be used if the platform knows more accurate
* values than the one computed based only on the input clock frequency.
@@ -292,7 +291,6 @@ struct dw_i2c_dev {
int (*set_sda_hold_time)(struct dw_i2c_dev *dev);
int mode;
struct i2c_bus_recovery_info rinfo;
- bool suspended;
};
#define ACCESS_INTR_MASK BIT(0)
@@ -567,11 +567,6 @@ i2c_dw_xfer(struct i2c_adapter *adap, struct i2c_msg msgs[], int num)
goto done_nolock;
}
- if (dev_WARN_ONCE(dev->dev, dev->suspended, "Transfer while suspended\n")) {
- ret = -ESHUTDOWN;
- goto done_nolock;
- }
-
reinit_completion(&dev->cmd_complete);
dev->msgs = msgs;
dev->msgs_num = num;
@@ -225,9 +225,7 @@ static int __maybe_unused i2c_dw_pci_suspend(struct device *dev)
{
struct dw_i2c_dev *i_dev = dev_get_drvdata(dev);
- i2c_lock_bus(&i_dev->adapter, I2C_LOCK_ROOT_ADAPTER);
- i_dev->suspended = true;
- i2c_unlock_bus(&i_dev->adapter, I2C_LOCK_ROOT_ADAPTER);
+ i2c_mark_adapter_suspended(&i_dev->adapter);
return i2c_dw_pci_runtime_suspend(dev);
}
@@ -246,9 +244,7 @@ static int __maybe_unused i2c_dw_pci_resume(struct device *dev)
ret = i2c_dw_pci_runtime_resume(dev);
- i2c_lock_bus(&i_dev->adapter, I2C_LOCK_ROOT_ADAPTER);
- i_dev->suspended = false;
- i2c_unlock_bus(&i_dev->adapter, I2C_LOCK_ROOT_ADAPTER);
+ i2c_mark_adapter_resumed(&i_dev->adapter);
return ret;
}
@@ -385,9 +385,7 @@ static int dw_i2c_plat_suspend(struct device *dev)
{
struct dw_i2c_dev *i_dev = dev_get_drvdata(dev);
- i2c_lock_bus(&i_dev->adapter, I2C_LOCK_ROOT_ADAPTER);
- i_dev->suspended = true;
- i2c_unlock_bus(&i_dev->adapter, I2C_LOCK_ROOT_ADAPTER);
+ i2c_mark_adapter_suspended(&i_dev->adapter);
return dw_i2c_plat_runtime_suspend(dev);
}
@@ -409,10 +407,7 @@ static int dw_i2c_plat_resume(struct device *dev)
struct dw_i2c_dev *i_dev = dev_get_drvdata(dev);
dw_i2c_plat_runtime_resume(dev);
-
- i2c_lock_bus(&i_dev->adapter, I2C_LOCK_ROOT_ADAPTER);
- i_dev->suspended = false;
- i2c_unlock_bus(&i_dev->adapter, I2C_LOCK_ROOT_ADAPTER);
+ i2c_mark_adapter_resumed(&i_dev->adapter);
return 0;
}
Use the i2c_mark_adapter_suspended/resumed() i2c-core helpers and rely on the i2c-core's suspended checking instead of using DIY code. Signed-off-by: Hans de Goede <hdegoede@redhat.com> --- drivers/i2c/busses/i2c-designware-core.h | 2 -- drivers/i2c/busses/i2c-designware-master.c | 5 ----- drivers/i2c/busses/i2c-designware-pcidrv.c | 8 ++------ drivers/i2c/busses/i2c-designware-platdrv.c | 9 ++------- 4 files changed, 4 insertions(+), 20 deletions(-)