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 <Anson.Huang@nxp.com>
Reviewed-by: Dong Aisheng <aisheng.dong@nxp.com>
Signed-off-by: Wolfram Sang <wsa@the-dreams.de>

diff --git a/drivers/i2c/busses/i2c-imx.c b/drivers/i2c/busses/i2c-imx.c
index fd70b11..b1b8b93 100644 (file)
--- 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,