On Wed, Feb 5, 2020 at 8:24 PM Quanyang Wang <[email protected]> wrote: > > Hi Bruce, > > On 2/6/20 5:42 AM, Bruce Ashfield wrote: > > In message: [V2] [linux-yocto][PATCH 1/1] mtd: spi-nor: fix erasesize for > > dual qspi mode > > on 06/01/2020 [email protected] wrote: > > > >> From: Quanyang Wang <[email protected]> > >> > >> The zcu102 and zc706 boards support qspi dual mode, and in > >> the dual mode, the erasesize for mtd device should be twice > >> as much as the erasesize for each nor flash chip. > >> > >> Signed-off-by: Quanyang Wang <[email protected]> > >> --- > >> V1 ---> V2: > >> 1) use nor->shift instead of 2. > >> 2) put the implementation in the function spi_nor_select_erase(). > > It looks like we are good to go on this patch as well, but which > > kernel versions is it valid for ? Things have udpated since it was > > originally sent, so I'd like to confirm. > > Would you please help merge this patch to the branches: > > linux-yocto-dev standard/xlnx-soc > > linux-yocto-dev v5.4/standard/xlnx-soc
merged to both branches. Bruce > > Thanks, > > Quanyang > > > > > Bruce > > > >> drivers/mtd/spi-nor/spi-nor.c | 4 ++-- > >> 1 file changed, 2 insertions(+), 2 deletions(-) > >> > >> diff --git a/drivers/mtd/spi-nor/spi-nor.c b/drivers/mtd/spi-nor/spi-nor.c > >> index c6fca2a81c44..5949ff63df46 100644 > >> --- a/drivers/mtd/spi-nor/spi-nor.c > >> +++ b/drivers/mtd/spi-nor/spi-nor.c > >> @@ -4793,7 +4793,7 @@ static int spi_nor_select_erase(struct spi_nor *nor) > >> if (!erase) > >> return -EINVAL; > >> nor->erase_opcode = erase->opcode; > >> - mtd->erasesize = erase->size; > >> + mtd->erasesize = erase->size << nor->shift; > >> return 0; > >> } > >> > >> @@ -4811,7 +4811,7 @@ static int spi_nor_select_erase(struct spi_nor *nor) > >> if (!erase) > >> return -EINVAL; > >> > >> - mtd->erasesize = erase->size; > >> + mtd->erasesize = erase->size << nor->shift; > >> return 0; > >> } > >> > >> -- > >> 2.17.1 > >> -- - Thou shalt not follow the NULL pointer, for chaos and madness await thee at its end - "Use the force Harry" - Gandalf, Star Trek II
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