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| author | Chuanhong Guo <gch981213@gmail.com> | 2022-04-07 10:05:56 +0800 |
|---|---|---|
| committer | Chuanhong Guo <gch981213@gmail.com> | 2022-04-28 18:06:00 +0800 |
| commit | 2138956bdc3145fac26d2ba8ac966f31d33cd290 (patch) | |
| tree | 00913a2d19324c7eea1c9a524038af24e4b3c22b /target/linux/mediatek/patches-5.15/121-hack-spi-nand-1b-bbm.patch | |
| parent | 861efe158ac56da2e00637aed704a77994bec54c (diff) | |
| download | upstream-2138956bdc3145fac26d2ba8ac966f31d33cd290.tar.gz upstream-2138956bdc3145fac26d2ba8ac966f31d33cd290.tar.bz2 upstream-2138956bdc3145fac26d2ba8ac966f31d33cd290.zip | |
mediatek: spi-nand: check for 1 byte BBM only
the OOB layout in MTK SNFI uses the 2nd byte, and anything using OOB
will make the block a bad-block in spi-nand driver.
Hack it for now. We need a proper solution upstream.
Signed-off-by: Chuanhong Guo <gch981213@gmail.com>
Diffstat (limited to 'target/linux/mediatek/patches-5.15/121-hack-spi-nand-1b-bbm.patch')
| -rw-r--r-- | target/linux/mediatek/patches-5.15/121-hack-spi-nand-1b-bbm.patch | 20 |
1 files changed, 20 insertions, 0 deletions
diff --git a/target/linux/mediatek/patches-5.15/121-hack-spi-nand-1b-bbm.patch b/target/linux/mediatek/patches-5.15/121-hack-spi-nand-1b-bbm.patch new file mode 100644 index 0000000000..eccd363395 --- /dev/null +++ b/target/linux/mediatek/patches-5.15/121-hack-spi-nand-1b-bbm.patch @@ -0,0 +1,20 @@ +--- a/drivers/mtd/nand/spi/core.c ++++ b/drivers/mtd/nand/spi/core.c +@@ -715,7 +715,7 @@ static int spinand_mtd_write(struct mtd_ + static bool spinand_isbad(struct nand_device *nand, const struct nand_pos *pos) + { + struct spinand_device *spinand = nand_to_spinand(nand); +- u8 marker[2] = { }; ++ u8 marker[1] = { }; + struct nand_page_io_req req = { + .pos = *pos, + .ooblen = sizeof(marker), +@@ -726,7 +726,7 @@ static bool spinand_isbad(struct nand_de + + spinand_select_target(spinand, pos->target); + spinand_read_page(spinand, &req); +- if (marker[0] != 0xff || marker[1] != 0xff) ++ if (marker[0] != 0xff) + return true; + + return false; |