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path: root/drivers/mtd/mtdcore.c
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Diffstat (limited to 'drivers/mtd/mtdcore.c')
-rw-r--r--drivers/mtd/mtdcore.c8
1 files changed, 3 insertions, 5 deletions
diff --git a/drivers/mtd/mtdcore.c b/drivers/mtd/mtdcore.c
index c87859ff338b..f92ad02959eb 100644
--- a/drivers/mtd/mtdcore.c
+++ b/drivers/mtd/mtdcore.c
@@ -945,11 +945,9 @@ void __put_mtd_device(struct mtd_info *mtd)
EXPORT_SYMBOL_GPL(__put_mtd_device);
/*
- * Erase is an asynchronous operation. Device drivers are supposed
- * to call instr->callback() whenever the operation completes, even
- * if it completes with a failure.
- * Callers are supposed to pass a callback function and wait for it
- * to be called before writing to the block.
+ * Erase is an synchronous operation. Device drivers are epected to return a
+ * negative error code if the operation failed and update instr->fail_addr
+ * to point the portion that was not properly erased.
*/
int mtd_erase(struct mtd_info *mtd, struct erase_info *instr)
{