Message ID | 20221122051833.13306-1-ashok.reddy.soma@amd.com |
---|---|
State | Changes Requested |
Delegated to: | Michal Simek |
Headers | show |
Series | mtd: spi-nor-core: Invert logic to reflect sst26 flash unlocked | expand |
These changes make sense to me, On 22/11/22 10:48, Ashok Reddy Soma wrote: > From: Algapally Santosh Sagar <santoshsagar.algapally@amd.com> > > flash_is_locked is changed to flash_is_unlocked with commit 513c6071ce73 > ("mtd: spi: Convert is_locked callback to is_unlocked"). sst26_is_locked() > is also changed to sst26_is_unlocked() but the logic remained same. > Invert the logic for the flash lock/unlock to work properly. > > Signed-off-by: Algapally Santosh Sagar <santoshsagar.algapally@amd.com> > Signed-off-by: Ashok Reddy Soma <ashok.reddy.soma@amd.com> > --- Reviewed-by: Dhruva Gole <d-gole@ti.com> > > drivers/mtd/spi/spi-nor-core.c | 2 +- > 1 file changed, 1 insertion(+), 1 deletion(-) > > diff --git a/drivers/mtd/spi/spi-nor-core.c b/drivers/mtd/spi/spi-nor-core.c > index 78de3c5281..1ea8363d9f 100644 > --- a/drivers/mtd/spi/spi-nor-core.c > +++ b/drivers/mtd/spi/spi-nor-core.c > @@ -1600,7 +1600,7 @@ static int sst26_is_unlocked(struct spi_nor *nor, loff_t ofs, uint64_t len) > ofs -= ofs & (SZ_64K - 1); > len = len & (SZ_64K - 1) ? (len & ~(SZ_64K - 1)) + SZ_64K : len; > > - return sst26_lock_ctl(nor, ofs, len, SST26_CTL_CHECK); > + return !sst26_lock_ctl(nor, ofs, len, SST26_CTL_CHECK); > } > > static int sst_write_byteprogram(struct spi_nor *nor, loff_t to, size_t len,
On 22.11.22 06:18, Ashok Reddy Soma wrote: > From: Algapally Santosh Sagar <santoshsagar.algapally@amd.com> > > flash_is_locked is changed to flash_is_unlocked with commit 513c6071ce73 > ("mtd: spi: Convert is_locked callback to is_unlocked"). sst26_is_locked() > is also changed to sst26_is_unlocked() but the logic remained same. > Invert the logic for the flash lock/unlock to work properly. > > Signed-off-by: Algapally Santosh Sagar <santoshsagar.algapally@amd.com> > Signed-off-by: Ashok Reddy Soma <ashok.reddy.soma@amd.com> > --- > > drivers/mtd/spi/spi-nor-core.c | 2 +- > 1 file changed, 1 insertion(+), 1 deletion(-) > > diff --git a/drivers/mtd/spi/spi-nor-core.c b/drivers/mtd/spi/spi-nor-core.c > index 78de3c5281..1ea8363d9f 100644 > --- a/drivers/mtd/spi/spi-nor-core.c > +++ b/drivers/mtd/spi/spi-nor-core.c > @@ -1600,7 +1600,7 @@ static int sst26_is_unlocked(struct spi_nor *nor, loff_t ofs, uint64_t len) > ofs -= ofs & (SZ_64K - 1); > len = len & (SZ_64K - 1) ? (len & ~(SZ_64K - 1)) + SZ_64K : len; > > - return sst26_lock_ctl(nor, ofs, len, SST26_CTL_CHECK); > + return !sst26_lock_ctl(nor, ofs, len, SST26_CTL_CHECK); > } > > static int sst_write_byteprogram(struct spi_nor *nor, loff_t to, size_t len, Indeed... Reviewed-by: Jan Kiszka <jan.kiszka@siemens.com> Hope you were also able to test this on real HW (which I wasn't). Thanks, Jan
Hi Jan, > -----Original Message----- > From: Jan Kiszka <jan.kiszka@siemens.com> > Sent: Tuesday, November 22, 2022 12:05 PM > To: Soma, Ashok Reddy <ashok.reddy.soma@amd.com>; u- > boot@lists.denx.de > Cc: jagan@amarulasolutions.com; vigneshr@ti.com; Simek, Michal > <michal.simek@amd.com>; git@xilinx.com; git (AMD-Xilinx) > <git@amd.com>; Algapally, Santosh Sagar > <SantoshSagar.Algapally@amd.com> > Subject: Re: [PATCH] mtd: spi-nor-core: Invert logic to reflect sst26 flash > unlocked > > On 22.11.22 06:18, Ashok Reddy Soma wrote: > > From: Algapally Santosh Sagar <santoshsagar.algapally@amd.com> > > > > flash_is_locked is changed to flash_is_unlocked with commit > > 513c6071ce73 > > ("mtd: spi: Convert is_locked callback to is_unlocked"). > > sst26_is_locked() is also changed to sst26_is_unlocked() but the logic > remained same. > > Invert the logic for the flash lock/unlock to work properly. > > > > Signed-off-by: Algapally Santosh Sagar > > <santoshsagar.algapally@amd.com> > > Signed-off-by: Ashok Reddy Soma <ashok.reddy.soma@amd.com> > > --- > > > > drivers/mtd/spi/spi-nor-core.c | 2 +- > > 1 file changed, 1 insertion(+), 1 deletion(-) > > > > diff --git a/drivers/mtd/spi/spi-nor-core.c > > b/drivers/mtd/spi/spi-nor-core.c index 78de3c5281..1ea8363d9f 100644 > > --- a/drivers/mtd/spi/spi-nor-core.c > > +++ b/drivers/mtd/spi/spi-nor-core.c > > @@ -1600,7 +1600,7 @@ static int sst26_is_unlocked(struct spi_nor *nor, > loff_t ofs, uint64_t len) > > ofs -= ofs & (SZ_64K - 1); > > len = len & (SZ_64K - 1) ? (len & ~(SZ_64K - 1)) + SZ_64K : len; > > > > - return sst26_lock_ctl(nor, ofs, len, SST26_CTL_CHECK); > > + return !sst26_lock_ctl(nor, ofs, len, SST26_CTL_CHECK); > > } > > > > static int sst_write_byteprogram(struct spi_nor *nor, loff_t to, > > size_t len, > > Indeed... > > Reviewed-by: Jan Kiszka <jan.kiszka@siemens.com> > > Hope you were also able to test this on real HW (which I wasn't). Thanks for the review. Yes, we tested on ZynqMP platform. Thanks, Ashok > > Thanks, > Jan > > -- > Siemens AG, Technology > Competence Center Embedded Linux
Ășt 22. 11. 2022 v 6:19 odesĂlatel Ashok Reddy Soma <ashok.reddy.soma@amd.com> napsal: > > From: Algapally Santosh Sagar <santoshsagar.algapally@amd.com> > > flash_is_locked is changed to flash_is_unlocked with commit 513c6071ce73 > ("mtd: spi: Convert is_locked callback to is_unlocked"). sst26_is_locked() > is also changed to sst26_is_unlocked() but the logic remained same. > Invert the logic for the flash lock/unlock to work properly. > > Signed-off-by: Algapally Santosh Sagar <santoshsagar.algapally@amd.com> > Signed-off-by: Ashok Reddy Soma <ashok.reddy.soma@amd.com> > --- > > drivers/mtd/spi/spi-nor-core.c | 2 +- > 1 file changed, 1 insertion(+), 1 deletion(-) > > diff --git a/drivers/mtd/spi/spi-nor-core.c b/drivers/mtd/spi/spi-nor-core.c > index 78de3c5281..1ea8363d9f 100644 > --- a/drivers/mtd/spi/spi-nor-core.c > +++ b/drivers/mtd/spi/spi-nor-core.c > @@ -1600,7 +1600,7 @@ static int sst26_is_unlocked(struct spi_nor *nor, loff_t ofs, uint64_t len) > ofs -= ofs & (SZ_64K - 1); > len = len & (SZ_64K - 1) ? (len & ~(SZ_64K - 1)) + SZ_64K : len; > > - return sst26_lock_ctl(nor, ofs, len, SST26_CTL_CHECK); > + return !sst26_lock_ctl(nor, ofs, len, SST26_CTL_CHECK); > } > > static int sst_write_byteprogram(struct spi_nor *nor, loff_t to, size_t len, > -- > 2.17.1 > Applied. M
diff --git a/drivers/mtd/spi/spi-nor-core.c b/drivers/mtd/spi/spi-nor-core.c index 78de3c5281..1ea8363d9f 100644 --- a/drivers/mtd/spi/spi-nor-core.c +++ b/drivers/mtd/spi/spi-nor-core.c @@ -1600,7 +1600,7 @@ static int sst26_is_unlocked(struct spi_nor *nor, loff_t ofs, uint64_t len) ofs -= ofs & (SZ_64K - 1); len = len & (SZ_64K - 1) ? (len & ~(SZ_64K - 1)) + SZ_64K : len; - return sst26_lock_ctl(nor, ofs, len, SST26_CTL_CHECK); + return !sst26_lock_ctl(nor, ofs, len, SST26_CTL_CHECK); } static int sst_write_byteprogram(struct spi_nor *nor, loff_t to, size_t len,