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List: linux-i2c
Subject: [PATCH] PM: Add pm_ops_ptr() macro
From: Jingoo Han <jg1.han () samsung ! com>
Date: 2013-04-30 1:09:22
Message-ID: 000201ce453f$5ce4fc90$16aef5b0$ () samsung ! com
[Download RAW message or body]
Add pm_ops_ptr() macro that allows the .pm entry in the driver structures
to be assigned without having an #define xxx NULL for the case that PM is
not enabled.
Signed-off-by: Jingoo Han <jg1.han@samsung.com>
---
drivers/i2c/busses/i2c-s3c2410.c | 8 +-------
include/linux/pm.h | 2 ++
2 files changed, 3 insertions(+), 7 deletions(-)
diff --git a/drivers/i2c/busses/i2c-s3c2410.c b/drivers/i2c/busses/i2c-s3c2410.c
index 6e8ee92..e7b6639 100644
--- a/drivers/i2c/busses/i2c-s3c2410.c
+++ b/drivers/i2c/busses/i2c-s3c2410.c
@@ -1218,7 +1218,6 @@ static int s3c24xx_i2c_resume(struct device *dev)
}
#endif
-#ifdef CONFIG_PM
static const struct dev_pm_ops s3c24xx_i2c_dev_pm_ops = {
#ifdef CONFIG_PM_SLEEP
.suspend_noirq = s3c24xx_i2c_suspend_noirq,
@@ -1226,11 +1225,6 @@ static const struct dev_pm_ops s3c24xx_i2c_dev_pm_ops = {
#endif
};
-#define S3C24XX_DEV_PM_OPS (&s3c24xx_i2c_dev_pm_ops)
-#else
-#define S3C24XX_DEV_PM_OPS NULL
-#endif
-
/* device driver for platform bus bits */
static struct platform_driver s3c24xx_i2c_driver = {
@@ -1240,7 +1234,7 @@ static struct platform_driver s3c24xx_i2c_driver = {
.driver = {
.owner = THIS_MODULE,
.name = "s3c-i2c",
- .pm = S3C24XX_DEV_PM_OPS,
+ .pm = pm_ops_ptr(&s3c24xx_i2c_dev_pm_ops),
.of_match_table = of_match_ptr(s3c24xx_i2c_match),
},
};
diff --git a/include/linux/pm.h b/include/linux/pm.h
index a224c7f..bd50d15 100644
--- a/include/linux/pm.h
+++ b/include/linux/pm.h
@@ -55,8 +55,10 @@ struct device;
#ifdef CONFIG_PM
extern const char power_group_name[]; /* = "power" */
+#define pm_ops_ptr(_ptr) (_ptr)
#else
#define power_group_name NULL
+#define pm_ops_ptr(_ptr) NULL
#endif
typedef struct pm_message {
--
1.7.2.5
--
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