Conversion from struct device to struct mmc_card is used more than in one
place. Due to this it's better to have public macro for such thing.
Signed-off-by: Andy Shevchenko <ext-andriy.shevchenko@xxxxxxxxx>
Cc: Adrian Hunter <adrian.hunter@xxxxxxxxx>
Cc: linux-mmc@xxxxxxxxxxxxxxx
Cc: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---
drivers/mmc/card/mmc_test.c | 4 +---
drivers/mmc/core/bus.c | 15 +++++++--------
drivers/mmc/core/bus.h | 2 +-
include/linux/mmc/card.h | 2 ++
4 files changed, 11 insertions(+), 12 deletions(-)
diff --git a/drivers/mmc/card/mmc_test.c b/drivers/mmc/card/mmc_test.c
index 5dd8576..b992725 100644
--- a/drivers/mmc/card/mmc_test.c
+++ b/drivers/mmc/card/mmc_test.c
@@ -1935,12 +1935,10 @@ static ssize_t mmc_test_show(struct device *dev,
static ssize_t mmc_test_store(struct device *dev,
struct device_attribute *attr, const char *buf, size_t count)
{
- struct mmc_card *card;
+ struct mmc_card *card = mmc_dev_to_card(dev);
struct mmc_test_card *test;
int testcase;
- card = container_of(dev, struct mmc_card, dev);
-
testcase = simple_strtol(buf, NULL, 10);
test = kzalloc(sizeof(struct mmc_test_card), GFP_KERNEL);
diff --git a/drivers/mmc/core/bus.c b/drivers/mmc/core/bus.c
index 7cd9749..e70bd66 100644
--- a/drivers/mmc/core/bus.c
+++ b/drivers/mmc/core/bus.c
@@ -22,13 +22,12 @@
#include "sdio_cis.h"
#include "bus.h"
-#define dev_to_mmc_card(d) container_of(d, struct mmc_card, dev)
#define to_mmc_driver(d) container_of(d, struct mmc_driver, drv)
static ssize_t mmc_type_show(struct device *dev,
struct device_attribute *attr, char *buf)
{
- struct mmc_card *card = dev_to_mmc_card(dev);
+ struct mmc_card *card = mmc_dev_to_card(dev);
switch (card->type) {
case MMC_TYPE_MMC:
@@ -62,7 +61,7 @@ static int mmc_bus_match(struct device *dev, struct device_driver *drv)
static int
mmc_bus_uevent(struct device *dev, struct kobj_uevent_env *env)
{
- struct mmc_card *card = dev_to_mmc_card(dev);
+ struct mmc_card *card = mmc_dev_to_card(dev);
const char *type;
int retval = 0;
@@ -105,7 +104,7 @@ mmc_bus_uevent(struct device *dev, struct kobj_uevent_env *env)
static int mmc_bus_probe(struct device *dev)
{
struct mmc_driver *drv = to_mmc_driver(dev->driver);
- struct mmc_card *card = dev_to_mmc_card(dev);
+ struct mmc_card *card = mmc_dev_to_card(dev);
return drv->probe(card);
}
@@ -113,7 +112,7 @@ static int mmc_bus_probe(struct device *dev)
static int mmc_bus_remove(struct device *dev)
{
struct mmc_driver *drv = to_mmc_driver(dev->driver);
- struct mmc_card *card = dev_to_mmc_card(dev);
+ struct mmc_card *card = mmc_dev_to_card(dev);
drv->remove(card);
@@ -123,7 +122,7 @@ static int mmc_bus_remove(struct device *dev)
static int mmc_bus_suspend(struct device *dev, pm_message_t state)
{
struct mmc_driver *drv = to_mmc_driver(dev->driver);
- struct mmc_card *card = dev_to_mmc_card(dev);
+ struct mmc_card *card = mmc_dev_to_card(dev);
int ret = 0;
if (dev->driver && drv->suspend)
@@ -134,7 +133,7 @@ static int mmc_bus_suspend(struct device *dev, pm_message_t state)
static int mmc_bus_resume(struct device *dev)
{
struct mmc_driver *drv = to_mmc_driver(dev->driver);
- struct mmc_card *card = dev_to_mmc_card(dev);
+ struct mmc_card *card = mmc_dev_to_card(dev);
int ret = 0;
if (dev->driver && drv->resume)
@@ -189,7 +188,7 @@ EXPORT_SYMBOL(mmc_unregister_driver);
static void mmc_release_card(struct device *dev)
{
- struct mmc_card *card = dev_to_mmc_card(dev);
+ struct mmc_card *card = mmc_dev_to_card(dev);
sdio_free_common_cis(card);
diff --git a/drivers/mmc/core/bus.h b/drivers/mmc/core/bus.h
index 1817876..00a1971 100644
--- a/drivers/mmc/core/bus.h
+++ b/drivers/mmc/core/bus.h
@@ -14,7 +14,7 @@
#define MMC_DEV_ATTR(name, fmt, args...) \
static ssize_t mmc_##name##_show (struct device *dev, struct device_attribute *attr, char *buf) \
{ \
- struct mmc_card *card = container_of(dev, struct mmc_card, dev); \
+ struct mmc_card *card = mmc_dev_to_card(dev); \
return sprintf(buf, fmt, args); \
} \
static DEVICE_ATTR(name, S_IRUGO, mmc_##name##_show, NULL)
diff --git a/include/linux/mmc/card.h b/include/linux/mmc/card.h
index 6b75250..7bd4923 100644
--- a/include/linux/mmc/card.h
+++ b/include/linux/mmc/card.h
@@ -173,6 +173,8 @@ static inline int mmc_blksz_for_byte_mode(const struct mmc_card *c)
#define mmc_card_name(c) ((c)->cid.prod_name)
#define mmc_card_id(c) (dev_name(&(c)->dev))
+#define mmc_dev_to_card(d) container_of(d, struct mmc_card, dev)
+
#define mmc_list_to_card(l) container_of(l, struct mmc_card, node)
#define mmc_get_drvdata(c) dev_get_drvdata(&(c)->dev)
#define mmc_set_drvdata(c,d) dev_set_drvdata(&(c)->dev, d)
--
1.6.3.3
--
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