diff options
| author | Hauke Mehrtens <hauke@hauke-m.de> | 2020-02-23 13:20:11 +0100 |
|---|---|---|
| committer | Koen Vandeputte <koen.vandeputte@ncentric.com> | 2020-02-28 17:50:45 +0100 |
| commit | c16517d26de30c90dabce1e456615fd7fbdce07c (patch) | |
| tree | e7371ee12a3c413a064885b634ee4c975ad7f96a /target/linux/generic/pending-5.4/466-Revert-mtd-spi-nor-fix-Spansion-regressions-aliased-.patch | |
| parent | 955634b473284847e3c8281a6ac85655329d8b06 (diff) | |
| download | upstream-c16517d26de30c90dabce1e456615fd7fbdce07c.tar.gz upstream-c16517d26de30c90dabce1e456615fd7fbdce07c.tar.bz2 upstream-c16517d26de30c90dabce1e456615fd7fbdce07c.zip | |
kernel: copy kernel 4.19 code to 5.4
No changes were done to the patches while coping them. Currently they do
not apply on top of kernel 5.4.
Signed-off-by: Hauke Mehrtens <hauke@hauke-m.de>
Diffstat (limited to 'target/linux/generic/pending-5.4/466-Revert-mtd-spi-nor-fix-Spansion-regressions-aliased-.patch')
| -rw-r--r-- | target/linux/generic/pending-5.4/466-Revert-mtd-spi-nor-fix-Spansion-regressions-aliased-.patch | 37 |
1 files changed, 37 insertions, 0 deletions
diff --git a/target/linux/generic/pending-5.4/466-Revert-mtd-spi-nor-fix-Spansion-regressions-aliased-.patch b/target/linux/generic/pending-5.4/466-Revert-mtd-spi-nor-fix-Spansion-regressions-aliased-.patch new file mode 100644 index 0000000000..fb6ae7df7b --- /dev/null +++ b/target/linux/generic/pending-5.4/466-Revert-mtd-spi-nor-fix-Spansion-regressions-aliased-.patch @@ -0,0 +1,37 @@ +From: Matthias Schiffer <mschiffer@universe-factory.net> +Date: Tue, 9 Jan 2018 20:41:48 +0100 +Subject: [PATCH] Revert "mtd: spi-nor: fix Spansion regressions (aliased with + Winbond)" + +This reverts commit 67b9bcd36906e12a15ffec19463afbbd6a41660e. + +The underlying issue breaking Spansion flash has been fixed with "mtd: spi-nor: +wait until lock/unlock operations are ready" and "mtd: spi-nor: wait for SR_WIP +to clear on initial unlock", so we can support unlocking for Winbond flash +again. + +Signed-off-by: Matthias Schiffer <mschiffer@universe-factory.net> +--- + drivers/mtd/spi-nor/spi-nor.c | 4 +++- + 1 file changed, 3 insertions(+), 1 deletion(-) + +--- a/drivers/mtd/spi-nor/spi-nor.c ++++ b/drivers/mtd/spi-nor/spi-nor.c +@@ -2737,6 +2737,7 @@ static int spi_nor_init(struct spi_nor * + JEDEC_MFR(nor->info) == SNOR_MFR_INTEL || + JEDEC_MFR(nor->info) == SNOR_MFR_MACRONIX || + JEDEC_MFR(nor->info) == SNOR_MFR_SST || ++ JEDEC_MFR(nor->info) == SNOR_MFR_WINBOND || + nor->info->flags & SPI_NOR_HAS_LOCK) { + write_enable(nor); + write_sr(nor, 0); +@@ -2873,7 +2874,8 @@ int spi_nor_scan(struct spi_nor *nor, co + + /* NOR protection support for STmicro/Micron chips and similar */ + if (JEDEC_MFR(info) == SNOR_MFR_MICRON || +- info->flags & SPI_NOR_HAS_LOCK) { ++ JEDEC_MFR(info) == SNOR_MFR_WINBOND || ++ info->flags & SPI_NOR_HAS_LOCK) { + nor->flash_lock = stm_lock; + nor->flash_unlock = stm_unlock; + nor->flash_is_locked = stm_is_locked; |