AuxXxilium/linux_dsm_epyc7002
1
0
Fork 0
mirror of https://github.com/AuxXxilium/linux_dsm_epyc7002.git synced 2024-12-16 17:46:43 +07:00
Code Issues Actions Packages Projects Releases Wiki Activity

mtd: nand: ifc: update bufnum mask for ver >= 2.0.0

Browse Source 
Bufnum mask is used to calculate page position in the internal SRAM.

As IFC version 2.0.0 has 16KB of internal SRAM as compared to older
versions which had 8KB. Hence bufnum mask needs to be updated.

Signed-off-by: Jagdish Gediya <jagdish.gediya@nxp.com>
Signed-off-by: Prabhakar Kushwaha <prabhakar.kushwaha@nxp.com>
Signed-off-by: Boris Brezillon <boris.brezillon@free-electrons.com>
This commit is contained in:
Jagdish Gediya 2017-11-23 17:04:31 +05:30 committed by Boris Brezillon
parent d822401d1c
commit bccb06c353
1 changed files with 7 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

7
drivers/mtd/nand/fsl_ifc_nand.c
View File

@ -916,6 +916,13 @@ static int fsl_ifc_chip_init(struct fsl_ifc_mtd *priv)
if (ctrl->version >= FSL_IFC_VERSION_1_1_0)
fsl_ifc_sram_init(priv);
/*
* As IFC version 2.0.0 has 16KB of internal SRAM as compared to older
* versions which had 8KB. Hence bufnum mask needs to be updated.
*/
if (ctrl->version >= FSL_IFC_VERSION_2_0_0)
priv->bufnum_mask = (priv->bufnum_mask * 2) + 1;
return 0;
}