2019-04-30 07:02:36

by Anson Huang

[permalink] [raw]
Subject: [PATCH] i2c: imx-lpi2c: Use __maybe_unused instead of #if CONFIG_PM_SLEEP

Use __maybe_unused for power management related functions
instead of #if CONFIG_PM_SLEEP to simply the code.

Signed-off-by: Anson Huang <[email protected]>
---
drivers/i2c/busses/i2c-imx-lpi2c.c | 11 +++--------
1 file changed, 3 insertions(+), 8 deletions(-)

diff --git a/drivers/i2c/busses/i2c-imx-lpi2c.c b/drivers/i2c/busses/i2c-imx-lpi2c.c
index 06c4c76..dc00fab 100644
--- a/drivers/i2c/busses/i2c-imx-lpi2c.c
+++ b/drivers/i2c/busses/i2c-imx-lpi2c.c
@@ -639,8 +639,7 @@ static int lpi2c_imx_remove(struct platform_device *pdev)
return 0;
}

-#ifdef CONFIG_PM_SLEEP
-static int lpi2c_runtime_suspend(struct device *dev)
+static int __maybe_unused lpi2c_runtime_suspend(struct device *dev)
{
struct lpi2c_imx_struct *lpi2c_imx = dev_get_drvdata(dev);

@@ -650,7 +649,7 @@ static int lpi2c_runtime_suspend(struct device *dev)
return 0;
}

-static int lpi2c_runtime_resume(struct device *dev)
+static int __maybe_unused lpi2c_runtime_resume(struct device *dev)
{
struct lpi2c_imx_struct *lpi2c_imx = dev_get_drvdata(dev);
int ret;
@@ -671,10 +670,6 @@ static const struct dev_pm_ops lpi2c_pm_ops = {
SET_RUNTIME_PM_OPS(lpi2c_runtime_suspend,
lpi2c_runtime_resume, NULL)
};
-#define IMX_LPI2C_PM (&lpi2c_pm_ops)
-#else
-#define IMX_LPI2C_PM NULL
-#endif

static struct platform_driver lpi2c_imx_driver = {
.probe = lpi2c_imx_probe,
@@ -682,7 +677,7 @@ static struct platform_driver lpi2c_imx_driver = {
.driver = {
.name = DRIVER_NAME,
.of_match_table = lpi2c_imx_of_match,
- .pm = IMX_LPI2C_PM,
+ .pm = &lpi2c_pm_ops,
},
};

--
2.7.4


2019-04-30 08:13:04

by Aisheng Dong

[permalink] [raw]
Subject: RE: [PATCH] i2c: imx-lpi2c: Use __maybe_unused instead of #if CONFIG_PM_SLEEP

> From: Anson Huang
> Sent: Tuesday, April 30, 2019 3:00 PM
> Subject: [PATCH] i2c: imx-lpi2c: Use __maybe_unused instead of #if
> CONFIG_PM_SLEEP
>
> Use __maybe_unused for power management related functions instead of #if
> CONFIG_PM_SLEEP to simply the code.
>
> Signed-off-by: Anson Huang <[email protected]>

Acked-by: Dong Aisheng <[email protected]>

Regards
Dong Aisheng

2019-05-03 14:53:32

by Wolfram Sang

[permalink] [raw]
Subject: Re: [PATCH] i2c: imx-lpi2c: Use __maybe_unused instead of #if CONFIG_PM_SLEEP

On Tue, Apr 30, 2019 at 07:00:02AM +0000, Anson Huang wrote:
> Use __maybe_unused for power management related functions
> instead of #if CONFIG_PM_SLEEP to simply the code.
>
> Signed-off-by: Anson Huang <[email protected]>

Applied to for-next, thanks!


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