diff options
Diffstat (limited to 'target/linux/generic/pending-4.4/048-mtd-spi-nor-backport-SPI_NOR_HAS_LOCK-flag.patch')
| -rw-r--r-- | target/linux/generic/pending-4.4/048-mtd-spi-nor-backport-SPI_NOR_HAS_LOCK-flag.patch | 47 |
1 files changed, 0 insertions, 47 deletions
diff --git a/target/linux/generic/pending-4.4/048-mtd-spi-nor-backport-SPI_NOR_HAS_LOCK-flag.patch b/target/linux/generic/pending-4.4/048-mtd-spi-nor-backport-SPI_NOR_HAS_LOCK-flag.patch deleted file mode 100644 index 69a5432fa7..0000000000 --- a/target/linux/generic/pending-4.4/048-mtd-spi-nor-backport-SPI_NOR_HAS_LOCK-flag.patch +++ /dev/null @@ -1,47 +0,0 @@ -From 76a4707de5e18dc32d9cb4e990686140c5664a15 Mon Sep 17 00:00:00 2001 -From: Brian Norris <computersforpeace@gmail.com> -Date: Fri, 29 Jan 2016 11:25:35 -0800 -Subject: [PATCH] mtd: spi-nor: add SPI_NOR_HAS_LOCK flag - -We can't determine this purely by manufacturer type (see commit -67b9bcd36906 ("mtd: spi-nor: fix Spansion regressions (aliased with -Winbond)")), and it's not autodetectable by anything like SFDP. So make -a new flag for it. - -Signed-off-by: Brian Norris <computersforpeace@gmail.com> -Reviewed-by: Ezequiel Garcia <ezequiel@vanguardiasur.com.ar> -Tested-by: Ezequiel Garcia <ezequiel@vanguardiasur.com.ar> ---- - drivers/mtd/spi-nor/spi-nor.c | 7 +++++-- - 1 file changed, 5 insertions(+), 2 deletions(-) - ---- a/drivers/mtd/spi-nor/spi-nor.c -+++ b/drivers/mtd/spi-nor/spi-nor.c -@@ -68,6 +68,7 @@ struct flash_info { - #define SPI_NOR_DUAL_READ 0x20 /* Flash supports Dual Read */ - #define SPI_NOR_QUAD_READ 0x40 /* Flash supports Quad Read */ - #define USE_FSR 0x80 /* use flag status register */ -+#define SPI_NOR_HAS_LOCK 0x100 /* Flash supports lock/unlock via SR */ - }; - - #define JEDEC_MFR(info) ((info)->id[0]) -@@ -1163,7 +1164,8 @@ int spi_nor_scan(struct spi_nor *nor, co - - if (JEDEC_MFR(info) == SNOR_MFR_ATMEL || - JEDEC_MFR(info) == SNOR_MFR_INTEL || -- JEDEC_MFR(info) == SNOR_MFR_SST) { -+ JEDEC_MFR(info) == SNOR_MFR_SST || -+ info->flags & SPI_NOR_HAS_LOCK) { - write_enable(nor); - write_sr(nor, 0); - } -@@ -1179,7 +1181,8 @@ int spi_nor_scan(struct spi_nor *nor, co - mtd->_read = spi_nor_read; - - /* NOR protection support for STmicro/Micron chips and similar */ -- if (JEDEC_MFR(info) == SNOR_MFR_MICRON) { -+ if (JEDEC_MFR(info) == SNOR_MFR_MICRON || -+ info->flags & SPI_NOR_HAS_LOCK) { - nor->flash_lock = stm_lock; - nor->flash_unlock = stm_unlock; - nor->flash_is_locked = stm_is_locked; |