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path: root/drivers/mtd/nand/raw/nand_base.c
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Diffstat (limited to 'drivers/mtd/nand/raw/nand_base.c')
-rw-r--r--drivers/mtd/nand/raw/nand_base.c17
1 files changed, 13 insertions, 4 deletions
diff --git a/drivers/mtd/nand/raw/nand_base.c b/drivers/mtd/nand/raw/nand_base.c
index a13b91aa3780..985a15a735af 100644
--- a/drivers/mtd/nand/raw/nand_base.c
+++ b/drivers/mtd/nand/raw/nand_base.c
@@ -4326,16 +4326,22 @@ static int nand_block_markbad(struct mtd_info *mtd, loff_t ofs)
/**
* nand_suspend - [MTD Interface] Suspend the NAND flash
* @mtd: MTD device structure
+ *
+ * Returns 0 for success or negative error code otherwise.
*/
static int nand_suspend(struct mtd_info *mtd)
{
struct nand_chip *chip = mtd_to_nand(mtd);
+ int ret = 0;
mutex_lock(&chip->lock);
- chip->suspended = 1;
+ if (chip->suspend)
+ ret = chip->suspend(chip);
+ if (!ret)
+ chip->suspended = 1;
mutex_unlock(&chip->lock);
- return 0;
+ return ret;
}
/**
@@ -4347,11 +4353,14 @@ static void nand_resume(struct mtd_info *mtd)
struct nand_chip *chip = mtd_to_nand(mtd);
mutex_lock(&chip->lock);
- if (chip->suspended)
+ if (chip->suspended) {
+ if (chip->resume)
+ chip->resume(chip);
chip->suspended = 0;
- else
+ } else {
pr_err("%s called for a chip which is not in suspended state\n",
__func__);
+ }
mutex_unlock(&chip->lock);
}