| Message ID | 20210527084913.208635-1-miquel.raynal@bootlin.com |
|---|---|
| State | Accepted |
| Headers | show |
| Series | mtd: rawnand: onfi: Fix endianness when reading NV-DDR values | expand |
On Thu, 2021-05-27 at 08:49:13 UTC, Miquel Raynal wrote: > Without the use of le16_to_cpu(), these accesses would have been wrong > on a big-endian machine. > > Reported-by: kernel test robot <lkp@intel.com> > Fixes: 45606518f961 ("mtd: rawnand: Add onfi_fill_nvddr_interface_config() helper") > Fixes: 9310668fb60a ("mtd: rawnand: Retrieve NV-DDR timing modes from the ONFI parameter page") > Signed-off-by: Miquel Raynal <miquel.raynal@bootlin.com> Applied to https://git.kernel.org/pub/scm/linux/kernel/git/mtd/linux.git nand/next. Miquel
diff --git a/drivers/mtd/nand/raw/nand_onfi.c b/drivers/mtd/nand/raw/nand_onfi.c index 8e4677f2ba76..7586befce7f9 100644 --- a/drivers/mtd/nand/raw/nand_onfi.c +++ b/drivers/mtd/nand/raw/nand_onfi.c @@ -315,10 +315,10 @@ int nand_onfi_detect(struct nand_chip *chip) onfi->tBERS = le16_to_cpu(p->t_bers); onfi->tR = le16_to_cpu(p->t_r); onfi->tCCS = le16_to_cpu(p->t_ccs); - onfi->fast_tCAD = p->nvddr_nvddr2_features & BIT(0); + onfi->fast_tCAD = le16_to_cpu(p->nvddr_nvddr2_features) & BIT(0); onfi->sdr_timing_modes = le16_to_cpu(p->sdr_timing_modes); - if (p->features & ONFI_FEATURE_NV_DDR) - onfi->nvddr_timing_modes = p->nvddr_timing_modes; + if (le16_to_cpu(p->features) & ONFI_FEATURE_NV_DDR) + onfi->nvddr_timing_modes = le16_to_cpu(p->nvddr_timing_modes); onfi->vendor_revision = le16_to_cpu(p->vendor_revision); memcpy(onfi->vendor, p->vendor, sizeof(p->vendor)); chip->parameters.onfi = onfi;
Without the use of le16_to_cpu(), these accesses would have been wrong on a big-endian machine. Reported-by: kernel test robot <lkp@intel.com> Fixes: 45606518f961 ("mtd: rawnand: Add onfi_fill_nvddr_interface_config() helper") Fixes: 9310668fb60a ("mtd: rawnand: Retrieve NV-DDR timing modes from the ONFI parameter page") Signed-off-by: Miquel Raynal <miquel.raynal@bootlin.com> --- drivers/mtd/nand/raw/nand_onfi.c | 6 +++--- 1 file changed, 3 insertions(+), 3 deletions(-)