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

mtd: nand: add a helper to check the SLC/MLC nand chip

Browse Source 
Add a helper to check if a nand chip is SLC or MLC.
This helper makes the code more readable.

Signed-off-by: Huang Shijie <b32955@freescale.com>
Signed-off-by: Brian Norris <computersforpeace@gmail.com>
This commit is contained in:
Huang Shijie
2013-09-25 14:58:10 +08:00
committed by Brian Norris
parent 4ae7d228d6
commit 1d0ed69ddd
3 changed files with 16 additions and 9 deletions
Download Patch File Download Diff File Expand all files Collapse all files

9
include/linux/mtd/nand.h
View File

@@ -795,4 +795,13 @@ static inline int onfi_get_sync_timing_mode(struct nand_chip *chip)
return le16_to_cpu(chip->onfi_params.src_sync_timing_mode);
}
/*
* Check if it is a SLC nand.
* The !nand_is_slc() can be used to check the MLC/TLC nand chips.
* We do not distinguish the MLC and TLC now.
*/
static inline bool nand_is_slc(struct nand_chip *chip)
{
return !(chip->cellinfo & NAND_CI_CELLTYPE_MSK);
}
#endif /* __LINUX_MTD_NAND_H */