Skip to content

Commit

Permalink
mtd: kill dev_to_mtd helper
Browse files Browse the repository at this point in the history
... since it is not needed because the generic 'dev_get_drvdata()' can be
used instead.

Signed-off-by: Artem Bityutskiy <artem.bityutskiy@linux.intel.com>
Acked-by: Mike Frysinger <vapier@gentoo.org>
Signed-off-by: David Woodhouse <David.Woodhouse@intel.com>
  • Loading branch information
Artem Bityutskiy authored and David Woodhouse committed Jan 9, 2012
1 parent 30fa984 commit d5de20a
Show file tree
Hide file tree
Showing 2 changed files with 13 additions and 17 deletions.
25 changes: 13 additions & 12 deletions drivers/mtd/mtdcore.c
Original file line number Diff line number Diff line change
Expand Up @@ -107,7 +107,8 @@ static LIST_HEAD(mtd_notifiers);
*/
static void mtd_release(struct device *dev)
{
dev_t index = MTD_DEVT(dev_to_mtd(dev)->index);
struct mtd_info *mtd = dev_get_drvdata(dev);
dev_t index = MTD_DEVT(mtd->index);

/* remove /dev/mtdXro node if needed */
if (index)
Expand All @@ -116,7 +117,7 @@ static void mtd_release(struct device *dev)

static int mtd_cls_suspend(struct device *dev, pm_message_t state)
{
struct mtd_info *mtd = dev_to_mtd(dev);
struct mtd_info *mtd = dev_get_drvdata(dev);

if (mtd && mtd->suspend)
return mtd_suspend(mtd);
Expand All @@ -126,7 +127,7 @@ static int mtd_cls_suspend(struct device *dev, pm_message_t state)

static int mtd_cls_resume(struct device *dev)
{
struct mtd_info *mtd = dev_to_mtd(dev);
struct mtd_info *mtd = dev_get_drvdata(dev);

if (mtd && mtd->resume)
mtd_resume(mtd);
Expand All @@ -136,7 +137,7 @@ static int mtd_cls_resume(struct device *dev)
static ssize_t mtd_type_show(struct device *dev,
struct device_attribute *attr, char *buf)
{
struct mtd_info *mtd = dev_to_mtd(dev);
struct mtd_info *mtd = dev_get_drvdata(dev);
char *type;

switch (mtd->type) {
Expand Down Expand Up @@ -172,7 +173,7 @@ static DEVICE_ATTR(type, S_IRUGO, mtd_type_show, NULL);
static ssize_t mtd_flags_show(struct device *dev,
struct device_attribute *attr, char *buf)
{
struct mtd_info *mtd = dev_to_mtd(dev);
struct mtd_info *mtd = dev_get_drvdata(dev);

return snprintf(buf, PAGE_SIZE, "0x%lx\n", (unsigned long)mtd->flags);

Expand All @@ -182,7 +183,7 @@ static DEVICE_ATTR(flags, S_IRUGO, mtd_flags_show, NULL);
static ssize_t mtd_size_show(struct device *dev,
struct device_attribute *attr, char *buf)
{
struct mtd_info *mtd = dev_to_mtd(dev);
struct mtd_info *mtd = dev_get_drvdata(dev);

return snprintf(buf, PAGE_SIZE, "%llu\n",
(unsigned long long)mtd->size);
Expand All @@ -193,7 +194,7 @@ static DEVICE_ATTR(size, S_IRUGO, mtd_size_show, NULL);
static ssize_t mtd_erasesize_show(struct device *dev,
struct device_attribute *attr, char *buf)
{
struct mtd_info *mtd = dev_to_mtd(dev);
struct mtd_info *mtd = dev_get_drvdata(dev);

return snprintf(buf, PAGE_SIZE, "%lu\n", (unsigned long)mtd->erasesize);

Expand All @@ -203,7 +204,7 @@ static DEVICE_ATTR(erasesize, S_IRUGO, mtd_erasesize_show, NULL);
static ssize_t mtd_writesize_show(struct device *dev,
struct device_attribute *attr, char *buf)
{
struct mtd_info *mtd = dev_to_mtd(dev);
struct mtd_info *mtd = dev_get_drvdata(dev);

return snprintf(buf, PAGE_SIZE, "%lu\n", (unsigned long)mtd->writesize);

Expand All @@ -213,7 +214,7 @@ static DEVICE_ATTR(writesize, S_IRUGO, mtd_writesize_show, NULL);
static ssize_t mtd_subpagesize_show(struct device *dev,
struct device_attribute *attr, char *buf)
{
struct mtd_info *mtd = dev_to_mtd(dev);
struct mtd_info *mtd = dev_get_drvdata(dev);
unsigned int subpagesize = mtd->writesize >> mtd->subpage_sft;

return snprintf(buf, PAGE_SIZE, "%u\n", subpagesize);
Expand All @@ -224,7 +225,7 @@ static DEVICE_ATTR(subpagesize, S_IRUGO, mtd_subpagesize_show, NULL);
static ssize_t mtd_oobsize_show(struct device *dev,
struct device_attribute *attr, char *buf)
{
struct mtd_info *mtd = dev_to_mtd(dev);
struct mtd_info *mtd = dev_get_drvdata(dev);

return snprintf(buf, PAGE_SIZE, "%lu\n", (unsigned long)mtd->oobsize);

Expand All @@ -234,7 +235,7 @@ static DEVICE_ATTR(oobsize, S_IRUGO, mtd_oobsize_show, NULL);
static ssize_t mtd_numeraseregions_show(struct device *dev,
struct device_attribute *attr, char *buf)
{
struct mtd_info *mtd = dev_to_mtd(dev);
struct mtd_info *mtd = dev_get_drvdata(dev);

return snprintf(buf, PAGE_SIZE, "%u\n", mtd->numeraseregions);

Expand All @@ -245,7 +246,7 @@ static DEVICE_ATTR(numeraseregions, S_IRUGO, mtd_numeraseregions_show,
static ssize_t mtd_name_show(struct device *dev,
struct device_attribute *attr, char *buf)
{
struct mtd_info *mtd = dev_to_mtd(dev);
struct mtd_info *mtd = dev_get_drvdata(dev);

return snprintf(buf, PAGE_SIZE, "%s\n", mtd->name);

Expand Down
5 changes: 0 additions & 5 deletions include/linux/mtd/mtd.h
Original file line number Diff line number Diff line change
Expand Up @@ -422,11 +422,6 @@ static inline int mtd_block_markbad(struct mtd_info *mtd, loff_t ofs)
return mtd->block_markbad(mtd, ofs);
}

static inline struct mtd_info *dev_to_mtd(struct device *dev)
{
return dev ? dev_get_drvdata(dev) : NULL;
}

static inline uint32_t mtd_div_by_eb(uint64_t sz, struct mtd_info *mtd)
{
if (mtd->erasesize_shift)
Expand Down

0 comments on commit d5de20a

Please sign in to comment.