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mtd: introduce mtd_suspend interface

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Signed-off-by: Artem Bityutskiy <artem.bityutskiy@linux.intel.com>
Signed-off-by: David Woodhouse <David.Woodhouse@intel.com>
This commit is contained in:
Artem Bityutskiy 2011-12-23 19:25:16 +02:00 committed by David Woodhouse
parent e95e978645
commit 3fe4bae884
10 changed files with 15 additions and 10 deletions
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2
drivers/mtd/maps/physmap.c
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@ -191,7 +191,7 @@ static void physmap_flash_shutdown(struct platform_device *dev)
for (i = 0; i < MAX_RESOURCES && info->mtd[i]; i++)
if (info->mtd[i]->suspend && info->mtd[i]->resume)
if (info->mtd[i]->suspend(info->mtd[i]) == 0)
if (mtd_suspend(info->mtd[i]) == 0)
info->mtd[i]->resume(info->mtd[i]);
}
#else

2
drivers/mtd/maps/pxa2xx-flash.c
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@ -125,7 +125,7 @@ static void pxa2xx_flash_shutdown(struct platform_device *dev)
{
struct pxa2xx_flash_info *info = platform_get_drvdata(dev);
if (info && info->mtd->suspend(info->mtd) == 0)
if (info && mtd_suspend(info->mtd) == 0)
info->mtd->resume(info->mtd);
}
#else

2
drivers/mtd/maps/rbtx4939-flash.c
View File

@ -120,7 +120,7 @@ static void rbtx4939_flash_shutdown(struct platform_device *dev)
struct rbtx4939_flash_info *info = platform_get_drvdata(dev);
if (info->mtd->suspend && info->mtd->resume)
if (info->mtd->suspend(info->mtd) == 0)
if (mtd_suspend(info->mtd) == 0)
info->mtd->resume(info->mtd);
}
#else

2
drivers/mtd/maps/sa1100-flash.c
View File

@ -377,7 +377,7 @@ static int __exit sa1100_mtd_remove(struct platform_device *pdev)
static void sa1100_mtd_shutdown(struct platform_device *dev)
{
struct sa_info *info = platform_get_drvdata(dev);
if (info && info->mtd->suspend(info->mtd) == 0)
if (info && mtd_suspend(info->mtd) == 0)
info->mtd->resume(info->mtd);
}
#else

2
drivers/mtd/mtdconcat.c
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@ -631,7 +631,7 @@ static int concat_suspend(struct mtd_info *mtd)
for (i = 0; i < concat->num_subdev; i++) {
struct mtd_info *subdev = concat->subdev[i];
if ((rc = subdev->suspend(subdev)) < 0)
if ((rc = mtd_suspend(subdev)) < 0)
return rc;
}
return rc;

2
drivers/mtd/mtdcore.c
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@ -119,7 +119,7 @@ static int mtd_cls_suspend(struct device *dev, pm_message_t state)
struct mtd_info *mtd = dev_to_mtd(dev);
if (mtd && mtd->suspend)
return mtd->suspend(mtd);
return mtd_suspend(mtd);
else
return 0;
}

2
drivers/mtd/mtdpart.c
View File

@ -307,7 +307,7 @@ static void part_sync(struct mtd_info *mtd)
static int part_suspend(struct mtd_info *mtd)
{
struct mtd_part *part = PART(mtd);
return part->master->suspend(part->master);
return mtd_suspend(part->master);
}
static void part_resume(struct mtd_info *mtd)

2
drivers/mtd/nand/nomadik_nand.c
View File

@ -201,7 +201,7 @@ static int nomadik_nand_suspend(struct device *dev)
struct nomadik_nand_host *host = dev_get_drvdata(dev);
int ret = 0;
if (host)
ret = host->mtd.suspend(&host->mtd);
ret = mtd_suspend(&host->mtd);
return ret;
}

2
drivers/mtd/nand/pxa3xx_nand.c
View File

@ -1258,7 +1258,7 @@ static int pxa3xx_nand_suspend(struct platform_device *pdev, pm_message_t state)
for (cs = 0; cs < pdata->num_cs; cs++) {
mtd = info->host[cs]->mtd;
mtd->suspend(mtd);
mtd_suspend(mtd);
}
return 0;

7
include/linux/mtd/mtd.h
View File

@ -210,6 +210,7 @@ struct mtd_info {
int (*lock) (struct mtd_info *mtd, loff_t ofs, uint64_t len);
int (*unlock) (struct mtd_info *mtd, loff_t ofs, uint64_t len);
int (*is_locked) (struct mtd_info *mtd, loff_t ofs, uint64_t len);
int (*suspend) (struct mtd_info *mtd);
/* Backing device capabilities for this device
* - provides mmap capabilities
@ -217,7 +218,6 @@ struct mtd_info {
struct backing_dev_info *backing_dev_info;
/* Power Management functions */
int (*suspend) (struct mtd_info *mtd);
void (*resume) (struct mtd_info *mtd);
/* Bad block management functions */
@ -398,6 +398,11 @@ static inline int mtd_is_locked(struct mtd_info *mtd, loff_t ofs, uint64_t len)
return mtd->is_locked(mtd, ofs, len);
}
static inline int mtd_suspend(struct mtd_info *mtd)
{
return mtd->suspend(mtd);
}
static inline struct mtd_info *dev_to_mtd(struct device *dev)
{
return dev ? dev_get_drvdata(dev) : NULL;