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authorAndy Shevchenko <andy.shevchenko@gmail.com>2010-08-20 10:46:46 +0300
committerChris Ball <cjb@laptop.org>2010-10-23 21:11:12 +0800
commit453722b9f7366e5b8b46101358dd7bcaef62b59d (patch)
treedecce1983521459f06ccd63563074114f17a7a52 /drivers/mmc
parentmmc: Use snprintf, not sprintf. (diff)
downloadlinux-dev-453722b9f7366e5b8b46101358dd7bcaef62b59d.tar.xz
linux-dev-453722b9f7366e5b8b46101358dd7bcaef62b59d.zip
mmc: make mmc_dev_to_card() macro public
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@nokia.com> Cc: Adrian Hunter <adrian.hunter@nokia.com> Cc: <linux-mmc@vger.kernel.org> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Chris Ball <cjb@laptop.org>
Diffstat (limited to 'drivers/mmc')
-rw-r--r--drivers/mmc/card/mmc_test.c4
-rw-r--r--drivers/mmc/core/bus.c1
-rw-r--r--drivers/mmc/core/bus.h2
3 files changed, 2 insertions, 5 deletions
diff --git a/drivers/mmc/card/mmc_test.c b/drivers/mmc/card/mmc_test.c
index 5dd8576b5c18..82d39bd4f55f 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 = dev_to_mmc_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 7cd9749dc21d..27326c411735 100644
--- a/drivers/mmc/core/bus.c
+++ b/drivers/mmc/core/bus.c
@@ -22,7 +22,6 @@
#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,
diff --git a/drivers/mmc/core/bus.h b/drivers/mmc/core/bus.h
index 18178766ab46..7813954e3199 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 = dev_to_mmc_card(dev); \
return sprintf(buf, fmt, args); \
} \
static DEVICE_ATTR(name, S_IRUGO, mmc_##name##_show, NULL)