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i2c: stm32f7: avoid ifdef CONFIG_PM_SLEEP for pm callbacks

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Avoid CONFIG_PM preprocessor check for pm suspend/resume
callbacks and identify the functions with __maybe_unused.

Signed-off-by: Alain Volmat <alain.volmat@foss.st.com>
Reviewed-by: Pierre-Yves MORDRET <pierre-yves.mordret@foss.st.com>
Signed-off-by: Wolfram Sang <wsa@kernel.org>
This commit is contained in:
Alain Volmat 2021-03-12 12:53:27 +01:00 committed by Wolfram Sang
parent 40357058f8
commit 010e32ab20
1 changed files with 4 additions and 6 deletions
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10
drivers/i2c/busses/i2c-stm32f7.c
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@ -2271,8 +2271,7 @@ static int __maybe_unused stm32f7_i2c_runtime_resume(struct device *dev)
return 0;
}
#ifdef CONFIG_PM_SLEEP
static int stm32f7_i2c_regs_backup(struct stm32f7_i2c_dev *i2c_dev)
static int __maybe_unused stm32f7_i2c_regs_backup(struct stm32f7_i2c_dev *i2c_dev)
{
int ret;
struct stm32f7_i2c_regs *backup_regs = &i2c_dev->backup_regs;
@ -2293,7 +2292,7 @@ static int stm32f7_i2c_regs_backup(struct stm32f7_i2c_dev *i2c_dev)
return ret;
}
static int stm32f7_i2c_regs_restore(struct stm32f7_i2c_dev *i2c_dev)
static int __maybe_unused stm32f7_i2c_regs_restore(struct stm32f7_i2c_dev *i2c_dev)
{
u32 cr1;
int ret;
@ -2324,7 +2323,7 @@ static int stm32f7_i2c_regs_restore(struct stm32f7_i2c_dev *i2c_dev)
return ret;
}
static int stm32f7_i2c_suspend(struct device *dev)
static int __maybe_unused stm32f7_i2c_suspend(struct device *dev)
{
struct stm32f7_i2c_dev *i2c_dev = dev_get_drvdata(dev);
int ret;
@ -2345,7 +2344,7 @@ static int stm32f7_i2c_suspend(struct device *dev)
return 0;
}
static int stm32f7_i2c_resume(struct device *dev)
static int __maybe_unused stm32f7_i2c_resume(struct device *dev)
{
struct stm32f7_i2c_dev *i2c_dev = dev_get_drvdata(dev);
int ret;
@ -2365,7 +2364,6 @@ static int stm32f7_i2c_resume(struct device *dev)
return 0;
}
#endif
static const struct dev_pm_ops stm32f7_i2c_pm_ops = {
SET_RUNTIME_PM_OPS(stm32f7_i2c_runtime_suspend,