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mtd: introduce mtd_resume 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 19:31:25 +02:00 • committed by David Woodhouse
parent 3fe4bae884
commit ead995f8d4
10 changed files with 15 additions and 12 deletions
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2
drivers/mtd/maps/physmap.c
View file

@ -192,7 +192,7 @@ static void physmap_flash_shutdown(struct platform_device *dev)
for (i = 0; i < MAX_RESOURCES && info->mtd[i]; i++) 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]->resume)
if (mtd_suspend(info->mtd[i]) == 0) if (mtd_suspend(info->mtd[i]) == 0)
info->mtd[i]->resume(info->mtd[i]); mtd_resume(info->mtd[i]);
} }
#else #else
#define physmap_flash_shutdown NULL #define physmap_flash_shutdown NULL

2
drivers/mtd/maps/pxa2xx-flash.c
View file

@ -126,7 +126,7 @@ static void pxa2xx_flash_shutdown(struct platform_device *dev)
struct pxa2xx_flash_info *info = platform_get_drvdata(dev); struct pxa2xx_flash_info *info = platform_get_drvdata(dev);
if (info && mtd_suspend(info->mtd) == 0) if (info && mtd_suspend(info->mtd) == 0)
info->mtd->resume(info->mtd); mtd_resume(info->mtd);
} }
#else #else
#define pxa2xx_flash_shutdown NULL #define pxa2xx_flash_shutdown NULL

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

@ -121,7 +121,7 @@ static void rbtx4939_flash_shutdown(struct platform_device *dev)
if (info->mtd->suspend && info->mtd->resume) if (info->mtd->suspend && info->mtd->resume)
if (mtd_suspend(info->mtd) == 0) if (mtd_suspend(info->mtd) == 0)
info->mtd->resume(info->mtd); mtd_resume(info->mtd);
} }
#else #else
#define rbtx4939_flash_shutdown NULL #define rbtx4939_flash_shutdown NULL

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

@ -378,7 +378,7 @@ static void sa1100_mtd_shutdown(struct platform_device *dev)
{ {
struct sa_info *info = platform_get_drvdata(dev); struct sa_info *info = platform_get_drvdata(dev);
if (info && mtd_suspend(info->mtd) == 0) if (info && mtd_suspend(info->mtd) == 0)
info->mtd->resume(info->mtd); mtd_resume(info->mtd);
} }
#else #else
#define sa1100_mtd_shutdown NULL #define sa1100_mtd_shutdown NULL

2
drivers/mtd/mtdconcat.c
View file

@ -644,7 +644,7 @@ static void concat_resume(struct mtd_info *mtd)
for (i = 0; i < concat->num_subdev; i++) { for (i = 0; i < concat->num_subdev; i++) {
struct mtd_info *subdev = concat->subdev[i]; struct mtd_info *subdev = concat->subdev[i];
subdev->resume(subdev); mtd_resume(subdev);
} }
} }

2
drivers/mtd/mtdcore.c
View file

@ -129,7 +129,7 @@ static int mtd_cls_resume(struct device *dev)
struct mtd_info *mtd = dev_to_mtd(dev); struct mtd_info *mtd = dev_to_mtd(dev);
if (mtd && mtd->resume) if (mtd && mtd->resume)
mtd->resume(mtd); mtd_resume(mtd);
return 0; return 0;
} }

2
drivers/mtd/mtdpart.c
View file

@ -313,7 +313,7 @@ static int part_suspend(struct mtd_info *mtd)
static void part_resume(struct mtd_info *mtd) static void part_resume(struct mtd_info *mtd)
{ {
struct mtd_part *part = PART(mtd); struct mtd_part *part = PART(mtd);
part->master->resume(part->master); mtd_resume(part->master);
} }
static int part_block_isbad(struct mtd_info *mtd, loff_t ofs) static int part_block_isbad(struct mtd_info *mtd, loff_t ofs)

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

@ -209,7 +209,7 @@ static int nomadik_nand_resume(struct device *dev)
{ {
struct nomadik_nand_host *host = dev_get_drvdata(dev); struct nomadik_nand_host *host = dev_get_drvdata(dev);
if (host) if (host)
host->mtd.resume(&host->mtd); mtd_resume(&host->mtd);
return 0; return 0;
} }

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

@ -1291,7 +1291,7 @@ static int pxa3xx_nand_resume(struct platform_device *pdev)
nand_writel(info, NDSR, NDSR_MASK); nand_writel(info, NDSR, NDSR_MASK);
for (cs = 0; cs < pdata->num_cs; cs++) { for (cs = 0; cs < pdata->num_cs; cs++) {
mtd = info->host[cs]->mtd; mtd = info->host[cs]->mtd;
mtd->resume(mtd); mtd_resume(mtd);
} }
return 0; return 0;

9
include/linux/mtd/mtd.h
View file

@ -211,15 +211,13 @@ struct mtd_info {
int (*unlock) (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 (*is_locked) (struct mtd_info *mtd, loff_t ofs, uint64_t len);
int (*suspend) (struct mtd_info *mtd); int (*suspend) (struct mtd_info *mtd);
void (*resume) (struct mtd_info *mtd);
/* Backing device capabilities for this device /* Backing device capabilities for this device
* - provides mmap capabilities * - provides mmap capabilities
*/ */
struct backing_dev_info *backing_dev_info; struct backing_dev_info *backing_dev_info;
/* Power Management functions */
void (*resume) (struct mtd_info *mtd);
/* Bad block management functions */ /* Bad block management functions */
int (*block_isbad) (struct mtd_info *mtd, loff_t ofs); int (*block_isbad) (struct mtd_info *mtd, loff_t ofs);
int (*block_markbad) (struct mtd_info *mtd, loff_t ofs); int (*block_markbad) (struct mtd_info *mtd, loff_t ofs);
@ -403,6 +401,11 @@ static inline int mtd_suspend(struct mtd_info *mtd)
return mtd->suspend(mtd); return mtd->suspend(mtd);
} }
static inline void mtd_resume(struct mtd_info *mtd)
{
mtd->resume(mtd);
}
static inline struct mtd_info *dev_to_mtd(struct device *dev) static inline struct mtd_info *dev_to_mtd(struct device *dev)
{ {
return dev ? dev_get_drvdata(dev) : NULL; return dev ? dev_get_drvdata(dev) : NULL;