diff options
Diffstat (limited to 'target/linux/generic/patches-4.4/040-0002-mtd-bcm47xxpart-don-t-fail-because-of-bit-flips.patch')
| -rw-r--r-- | target/linux/generic/patches-4.4/040-0002-mtd-bcm47xxpart-don-t-fail-because-of-bit-flips.patch | 93 |
1 files changed, 0 insertions, 93 deletions
diff --git a/target/linux/generic/patches-4.4/040-0002-mtd-bcm47xxpart-don-t-fail-because-of-bit-flips.patch b/target/linux/generic/patches-4.4/040-0002-mtd-bcm47xxpart-don-t-fail-because-of-bit-flips.patch deleted file mode 100644 index 4155a2a95e..0000000000 --- a/target/linux/generic/patches-4.4/040-0002-mtd-bcm47xxpart-don-t-fail-because-of-bit-flips.patch +++ /dev/null @@ -1,93 +0,0 @@ -From 36bcc0c9c2bc8f56569cd735ba531a51358d7c2b Mon Sep 17 00:00:00 2001 -From: =?UTF-8?q?Rafa=C5=82=20Mi=C5=82ecki?= <zajec5@gmail.com> -Date: Sun, 6 Dec 2015 11:31:38 +0100 -Subject: [PATCH] mtd: bcm47xxpart: don't fail because of bit-flips -MIME-Version: 1.0 -Content-Type: text/plain; charset=UTF-8 -Content-Transfer-Encoding: 8bit - -Bit-flip errors may occur on NAND flashes and are harmless. Handle them -gracefully as read content is still reliable and can be parsed. - -Signed-off-by: Rafał Miłecki <zajec5@gmail.com> -Signed-off-by: Brian Norris <computersforpeace@gmail.com> ---- - drivers/mtd/bcm47xxpart.c | 38 ++++++++++++++++++++++---------------- - 1 file changed, 22 insertions(+), 16 deletions(-) - ---- a/drivers/mtd/bcm47xxpart.c -+++ b/drivers/mtd/bcm47xxpart.c -@@ -66,11 +66,13 @@ static const char *bcm47xxpart_trx_data_ - { - uint32_t buf; - size_t bytes_read; -+ int err; - -- if (mtd_read(master, offset, sizeof(buf), &bytes_read, -- (uint8_t *)&buf) < 0) { -- pr_err("mtd_read error while parsing (offset: 0x%X)!\n", -- offset); -+ err = mtd_read(master, offset, sizeof(buf), &bytes_read, -+ (uint8_t *)&buf); -+ if (err && !mtd_is_bitflip(err)) { -+ pr_err("mtd_read error while parsing (offset: 0x%X): %d\n", -+ offset, err); - goto out_default; - } - -@@ -95,6 +97,7 @@ static int bcm47xxpart_parse(struct mtd_ - int trx_part = -1; - int last_trx_part = -1; - int possible_nvram_sizes[] = { 0x8000, 0xF000, 0x10000, }; -+ int err; - - /* - * Some really old flashes (like AT45DB*) had smaller erasesize-s, but -@@ -128,10 +131,11 @@ static int bcm47xxpart_parse(struct mtd_ - } - - /* Read beginning of the block */ -- if (mtd_read(master, offset, BCM47XXPART_BYTES_TO_READ, -- &bytes_read, (uint8_t *)buf) < 0) { -- pr_err("mtd_read error while parsing (offset: 0x%X)!\n", -- offset); -+ err = mtd_read(master, offset, BCM47XXPART_BYTES_TO_READ, -+ &bytes_read, (uint8_t *)buf); -+ if (err && !mtd_is_bitflip(err)) { -+ pr_err("mtd_read error while parsing (offset: 0x%X): %d\n", -+ offset, err); - continue; - } - -@@ -252,10 +256,11 @@ static int bcm47xxpart_parse(struct mtd_ - } - - /* Read middle of the block */ -- if (mtd_read(master, offset + 0x8000, 0x4, -- &bytes_read, (uint8_t *)buf) < 0) { -- pr_err("mtd_read error while parsing (offset: 0x%X)!\n", -- offset); -+ err = mtd_read(master, offset + 0x8000, 0x4, &bytes_read, -+ (uint8_t *)buf); -+ if (err && !mtd_is_bitflip(err)) { -+ pr_err("mtd_read error while parsing (offset: 0x%X): %d\n", -+ offset, err); - continue; - } - -@@ -275,10 +280,11 @@ static int bcm47xxpart_parse(struct mtd_ - } - - offset = master->size - possible_nvram_sizes[i]; -- if (mtd_read(master, offset, 0x4, &bytes_read, -- (uint8_t *)buf) < 0) { -- pr_err("mtd_read error while reading at offset 0x%X!\n", -- offset); -+ err = mtd_read(master, offset, 0x4, &bytes_read, -+ (uint8_t *)buf); -+ if (err && !mtd_is_bitflip(err)) { -+ pr_err("mtd_read error while reading (offset 0x%X): %d\n", -+ offset, err); - continue; - } - |