diff options
Diffstat (limited to 'target/linux/ath79/patches-5.4')
| -rw-r--r-- | target/linux/ath79/patches-5.4/471-mtd-cfi_cmdset_0002-AMD-chip-0x2201-write-words.patch | 51 |
1 files changed, 0 insertions, 51 deletions
diff --git a/target/linux/ath79/patches-5.4/471-mtd-cfi_cmdset_0002-AMD-chip-0x2201-write-words.patch b/target/linux/ath79/patches-5.4/471-mtd-cfi_cmdset_0002-AMD-chip-0x2201-write-words.patch deleted file mode 100644 index 35ea92a7bc..0000000000 --- a/target/linux/ath79/patches-5.4/471-mtd-cfi_cmdset_0002-AMD-chip-0x2201-write-words.patch +++ /dev/null @@ -1,51 +0,0 @@ -From f1f811410af297c848e9ec17eaa280d190fdce10 Mon Sep 17 00:00:00 2001 -From: Mauri Sandberg <sandberg@mailfence.com> -Date: Tue, 23 Feb 2021 18:09:31 +0200 -Subject: [PATCH] mtd: cfi_cmdset_0002: AMD chip 0x2201 - write words - -Buffer writes do not work with AMD chip 0x2201. The chip in question -is a AMD/Spansion/Cypress Semiconductor S29GL256N and datasheet [1] -talks about writing buffers being possible. While waiting for a neater -solution resort to writing word-sized chunks only. - -Without the patch kernel logs will be flooded with entries like below: - -jffs2_scan_eraseblock(): End of filesystem marker found at 0x0 -jffs2_build_filesystem(): unlocking the mtd device... -done. -jffs2_build_filesystem(): erasing all blocks after the end marker... -MTD do_write_buffer_wait(): software timeout, address:0x01ec000a. -jffs2: Write clean marker to block at 0x01920000 failed: -5 -MTD do_write_buffer_wait(): software timeout, address:0x01e2000a. -jffs2: Write clean marker to block at 0x01880000 failed: -5 -MTD do_write_buffer_wait(): software timeout, address:0x01e0000a. -jffs2: Write clean marker to block at 0x01860000 failed: -5 -MTD do_write_buffer_wait(): software timeout, address:0x01dc000a. -jffs2: Write clean marker to block at 0x01820000 failed: -5 -MTD do_write_buffer_wait(): software timeout, address:0x01da000a. -jffs2: Write clean marker to block at 0x01800000 failed: -5 -... - -Tested on a Buffalo wzr-hp-g300nh running kernel 5.10.16. - -[1] https://www.cypress.com/file/219941/download -or https://datasheetspdf.com/pdf-file/565708/SPANSION/S29GL256N/1 - -Signed-off-by: Mauri Sandberg <sandberg@mailfence.com> ---- - drivers/mtd/chips/cfi_cmdset_0002.c | 4 ++++ - 1 file changed, 4 insertions(+) - ---- a/drivers/mtd/chips/cfi_cmdset_0002.c -+++ b/drivers/mtd/chips/cfi_cmdset_0002.c -@@ -272,6 +272,10 @@ static void fixup_use_write_buffers(stru - { - struct map_info *map = mtd->priv; - struct cfi_private *cfi = map->fldrv_priv; -+ -+ if ((cfi->mfr == CFI_MFR_AMD) && (cfi->id == 0x2201)) -+ return; -+ - if (cfi->cfiq->BufWriteTimeoutTyp) { - pr_debug("Using buffer write method\n"); - mtd->_write = cfi_amdstd_write_buffers; |