Message ID | 1521661101-26911-1-git-send-email-jagdish.gediya@nxp.com |
---|---|
State | Accepted |
Delegated to: | Boris Brezillon |
Headers | show |
Series | mtd: rawnand: fsl_ifc: Read ECCSTAT0 and ECCSTAT1 registers for IFC 2.0 | expand |
On Thu, 22 Mar 2018 01:08:10 +0530 Jagdish Gediya <jagdish.gediya@nxp.com> wrote: > Due to missing information in Hardware manual, current > implementation doesn't read ECCSTAT0 and ECCSTAT1 registers > for IFC 2.0. > > Add support to read ECCSTAT0 and ECCSTAT1 registers during > ecccheck for IFC 2.0. > > Fixes: 656441478ed5 ("mtd: nand: ifc: Fix location of eccstat > registers for IFC V1.0") > Cc: stable@vger.kernel.org # v3.18+ > Signed-off-by: Jagdish Gediya <jagdish.gediya@nxp.com> > Reviewed-by: Prabhakar Kushwaha <prabhakar.kushwaha@nxp.com> Applied. Thanks, Boris > --- > drivers/mtd/nand/fsl_ifc_nand.c | 6 +----- > include/linux/fsl_ifc.h | 6 +----- > 2 files changed, 2 insertions(+), 10 deletions(-) > > diff --git a/drivers/mtd/nand/fsl_ifc_nand.c b/drivers/mtd/nand/fsl_ifc_nand.c > index ed64759..1513298 100644 > --- a/drivers/mtd/nand/fsl_ifc_nand.c > +++ b/drivers/mtd/nand/fsl_ifc_nand.c > @@ -227,11 +227,7 @@ static void fsl_ifc_run_command(struct mtd_info *mtd) > int sector_end = sector_start + chip->ecc.steps - 1; > __be32 *eccstat_regs; > > - if (ctrl->version >= FSL_IFC_VERSION_2_0_0) > - eccstat_regs = ifc->ifc_nand.v2_nand_eccstat; > - else > - eccstat_regs = ifc->ifc_nand.v1_nand_eccstat; > - > + eccstat_regs = ifc->ifc_nand.nand_eccstat; > eccstat = ifc_in32(&eccstat_regs[sector_start / 4]); > > for (i = sector_start; i <= sector_end; i++) { > diff --git a/include/linux/fsl_ifc.h b/include/linux/fsl_ifc.h > index c332f0a..3fdfede 100644 > --- a/include/linux/fsl_ifc.h > +++ b/include/linux/fsl_ifc.h > @@ -734,11 +734,7 @@ struct fsl_ifc_nand { > u32 res19[0x10]; > __be32 nand_fsr; > u32 res20; > - /* The V1 nand_eccstat is actually 4 words that overlaps the > - * V2 nand_eccstat. > - */ > - __be32 v1_nand_eccstat[2]; > - __be32 v2_nand_eccstat[6]; > + __be32 nand_eccstat[8]; > u32 res21[0x1c]; > __be32 nanndcr; > u32 res22[0x2];
diff --git a/drivers/mtd/nand/fsl_ifc_nand.c b/drivers/mtd/nand/fsl_ifc_nand.c index ed64759..1513298 100644 --- a/drivers/mtd/nand/fsl_ifc_nand.c +++ b/drivers/mtd/nand/fsl_ifc_nand.c @@ -227,11 +227,7 @@ static void fsl_ifc_run_command(struct mtd_info *mtd) int sector_end = sector_start + chip->ecc.steps - 1; __be32 *eccstat_regs; - if (ctrl->version >= FSL_IFC_VERSION_2_0_0) - eccstat_regs = ifc->ifc_nand.v2_nand_eccstat; - else - eccstat_regs = ifc->ifc_nand.v1_nand_eccstat; - + eccstat_regs = ifc->ifc_nand.nand_eccstat; eccstat = ifc_in32(&eccstat_regs[sector_start / 4]); for (i = sector_start; i <= sector_end; i++) { diff --git a/include/linux/fsl_ifc.h b/include/linux/fsl_ifc.h index c332f0a..3fdfede 100644 --- a/include/linux/fsl_ifc.h +++ b/include/linux/fsl_ifc.h @@ -734,11 +734,7 @@ struct fsl_ifc_nand { u32 res19[0x10]; __be32 nand_fsr; u32 res20; - /* The V1 nand_eccstat is actually 4 words that overlaps the - * V2 nand_eccstat. - */ - __be32 v1_nand_eccstat[2]; - __be32 v2_nand_eccstat[6]; + __be32 nand_eccstat[8]; u32 res21[0x1c]; __be32 nanndcr; u32 res22[0x2];