2019-05-05 03:33:19

by Anson Huang

[permalink] [raw]
Subject: [PATCH] i2c: imx: Use __maybe_unused instead of #if CONFIG_PM

Use __maybe_unused for runtime PM related functions instead
of #if CONFIG_PM to simply the code.

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

diff --git a/drivers/i2c/busses/i2c-imx.c b/drivers/i2c/busses/i2c-imx.c
index fd70b11..b1b8b93 100644
--- a/drivers/i2c/busses/i2c-imx.c
+++ b/drivers/i2c/busses/i2c-imx.c
@@ -1220,8 +1220,7 @@ static int i2c_imx_remove(struct platform_device *pdev)
return 0;
}

-#ifdef CONFIG_PM
-static int i2c_imx_runtime_suspend(struct device *dev)
+static int __maybe_unused i2c_imx_runtime_suspend(struct device *dev)
{
struct imx_i2c_struct *i2c_imx = dev_get_drvdata(dev);

@@ -1230,7 +1229,7 @@ static int i2c_imx_runtime_suspend(struct device *dev)
return 0;
}

-static int i2c_imx_runtime_resume(struct device *dev)
+static int __maybe_unused i2c_imx_runtime_resume(struct device *dev)
{
struct imx_i2c_struct *i2c_imx = dev_get_drvdata(dev);
int ret;
@@ -1246,17 +1245,13 @@ static const struct dev_pm_ops i2c_imx_pm_ops = {
SET_RUNTIME_PM_OPS(i2c_imx_runtime_suspend,
i2c_imx_runtime_resume, NULL)
};
-#define I2C_IMX_PM_OPS (&i2c_imx_pm_ops)
-#else
-#define I2C_IMX_PM_OPS NULL
-#endif /* CONFIG_PM */

static struct platform_driver i2c_imx_driver = {
.probe = i2c_imx_probe,
.remove = i2c_imx_remove,
.driver = {
.name = DRIVER_NAME,
- .pm = I2C_IMX_PM_OPS,
+ .pm = &i2c_imx_pm_ops,
.of_match_table = i2c_imx_dt_ids,
},
.id_table = imx_i2c_devtype,
--
2.7.4


2019-05-05 07:32:51

by Aisheng Dong

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

> From: Anson Huang
> Sent: Sunday, May 5, 2019 11:32 AM
> Subject: [PATCH] i2c: imx: Use __maybe_unused instead of #if CONFIG_PM
>
> Use __maybe_unused for runtime PM related functions instead of #if
> CONFIG_PM to simply the code.
>
> Signed-off-by: Anson Huang <[email protected]>

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

Regards
Dong Aisheng

2019-05-27 19:07:43

by Wolfram Sang

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

On Sun, May 05, 2019 at 03:31:55AM +0000, Anson Huang wrote:
> Use __maybe_unused for runtime PM related functions instead
> of #if CONFIG_PM to simply the code.
>
> Signed-off-by: Anson Huang <[email protected]>

Applied to for-next, thanks!


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