[PATCH 23/28] mtd: introduce mtd_suspend interface

Artem Bityutskiy
2011-12-23T18:11:03Z

drivers/mtd/maps/physmap.c | 2 +-
drivers/mtd/maps/pxa2xx-flash.c | 2 +-
drivers/mtd/maps/rbtx4939-flash.c | 2 +-
drivers/mtd/maps/sa1100-flash.c | 2 +-
drivers/mtd/mtdconcat.c | 2 +-
drivers/mtd/mtdcore.c | 2 +-
drivers/mtd/mtdpart.c | 2 +-
drivers/mtd/nand/pxa3xx_nand.c | 2 +-
drivers/mtd/nand/tmio_nand.c | 2 +-
include/linux/mtd/mtd.h | 7 ++++++-
10 files changed, 15 insertions(+), 10 deletions(-)

diff --git a/drivers/mtd/maps/physmap.c b/drivers/mtd/maps/physmap.c
index 1f749d58..b7f0cd1 100644
--- a/drivers/mtd/maps/physmap.c
+++ b/drivers/mtd/maps/physmap.c
@@ -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
diff --git a/drivers/mtd/maps/pxa2xx-flash.c b/drivers/mtd/maps/pxa2xx-flash.c
index 274e399..9cb4273 100644
--- a/drivers/mtd/maps/pxa2xx-flash.c
+++ b/drivers/mtd/maps/pxa2xx-flash.c
@@ -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
diff --git a/drivers/mtd/maps/rbtx4939-flash.c b/drivers/mtd/maps/rbtx4939-flash.c
index bb7d204..5856aa2 100644
--- a/drivers/mtd/maps/rbtx4939-flash.c
+++ b/drivers/mtd/maps/rbtx4939-flash.c
@@ -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
diff --git a/drivers/mtd/maps/sa1100-flash.c b/drivers/mtd/maps/sa1100-flash.c
index ac3a290..20944f0 100644
--- a/drivers/mtd/maps/sa1100-flash.c
+++ b/drivers/mtd/maps/sa1100-flash.c
@@ -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
diff --git a/drivers/mtd/mtdconcat.c b/drivers/mtd/mtdconcat.c
index 272ebc0..36bb1c9 100644
--- a/drivers/mtd/mtdconcat.c
+++ b/drivers/mtd/mtdconcat.c
@@ -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;
diff --git a/drivers/mtd/mtdcore.c b/drivers/mtd/mtdcore.c
index 4a21557..0db455d 100644
--- a/drivers/mtd/mtdcore.c
+++ b/drivers/mtd/mtdcore.c
@@ -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;
}
diff --git a/drivers/mtd/mtdpart.c b/drivers/mtd/mtdpart.c
index ad487fc..c5e556a 100644
--- a/drivers/mtd/mtdpart.c
+++ b/drivers/mtd/mtdpart.c
@@ -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)
diff --git a/drivers/mtd/nand/pxa3xx_nand.c b/drivers/mtd/nand/pxa3xx_nand.c
index 90d6016..7a028cf 100644
--- a/drivers/mtd/nand/pxa3xx_nand.c
+++ b/drivers/mtd/nand/pxa3xx_nand.c
@@ -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;
diff --git a/drivers/mtd/nand/tmio_nand.c b/drivers/mtd/nand/tmio_nand.c
index 6caa0cd..5d0c7fb 100644
--- a/drivers/mtd/nand/tmio_nand.c
+++ b/drivers/mtd/nand/tmio_nand.c
@@ -499,7 +499,7 @@ static int tmio_suspend(struct platform_device *dev, pm_message_t state)
const struct mfd_cell *cell = mfd_get_cell(dev);

if (cell->suspend)
- cell->suspend(dev);
+ mtd_suspend(dev);

tmio_hw_stop(dev, platform_get_drvdata(dev));
return 0;
diff --git a/include/linux/mtd/mtd.h b/include/linux/mtd/mtd.h
index 8b99019..8e01bad 100644
--- a/include/linux/mtd/mtd.h
+++ b/include/linux/mtd/mtd.h
@@ -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);