xiaomi-sm8450/android_kernel_xiaomi_sm8450
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

mtd: rawnand: Add support for manufacturer specific suspend/resume operation

Browse Source 
Patch nand_suspend() & nand_resume() to let manufacturers overwrite
suspend/resume operations.

Signed-off-by: Mason Yang <masonccyang@mxic.com.tw>
Reviewed-by: Miquel Raynal <miquel.raynal@bootlin.com>
Signed-off-by: Miquel Raynal <miquel.raynal@bootlin.com>
Link: https://lore.kernel.org/linux-mtd/1584517348-14486-2-git-send-email-masonccyang@mxic.com.tw
This commit is contained in:
Mason Yang
2020-03-18 15:42:27 +08:00
committed by Miquel Raynal
parent 9f9ae0c253
commit adc6162b9a
2 changed files with 17 additions and 4 deletions
Download Patch File Download Diff File Expand all files Collapse all files

4
include/linux/mtd/rawnand.h
View File

@@ -1064,6 +1064,8 @@ struct nand_legacy {
* @lock: lock protecting the suspended field. Also used to
* serialize accesses to the NAND device.
* @suspended: set to 1 when the device is suspended, 0 when it's not.
* @suspend: [REPLACEABLE] specific NAND device suspend operation
* @resume: [REPLACEABLE] specific NAND device resume operation
* @bbt: [INTERN] bad block table pointer
* @bbt_td: [REPLACEABLE] bad block table descriptor for flash
* lookup.
@@ -1119,6 +1121,8 @@ struct nand_chip {
struct mutex lock;
unsigned int suspended : 1;
int (*suspend)(struct nand_chip *chip);
void (*resume)(struct nand_chip *chip);
uint8_t *oob_poi;
struct nand_controller *controller;