diff options
Diffstat (limited to 'target/linux/layerscape/patches-5.4/303-core-0005-nand-raw-workaround-for-EDO-high-speed-mode.patch')
| -rw-r--r-- | target/linux/layerscape/patches-5.4/303-core-0005-nand-raw-workaround-for-EDO-high-speed-mode.patch | 25 |
1 files changed, 25 insertions, 0 deletions
diff --git a/target/linux/layerscape/patches-5.4/303-core-0005-nand-raw-workaround-for-EDO-high-speed-mode.patch b/target/linux/layerscape/patches-5.4/303-core-0005-nand-raw-workaround-for-EDO-high-speed-mode.patch new file mode 100644 index 0000000000..aa4b8d32af --- /dev/null +++ b/target/linux/layerscape/patches-5.4/303-core-0005-nand-raw-workaround-for-EDO-high-speed-mode.patch @@ -0,0 +1,25 @@ +From e2c1ef18cddb426b9eea79599aec892717bead48 Mon Sep 17 00:00:00 2001 +From: Han Xu <han.xu@nxp.com> +Date: Thu, 15 Aug 2019 21:45:50 -0500 +Subject: [PATCH] nand: raw: workaround for EDO high speed mode + +Found issue for EDO high speed mode, set to low speed mode as a +workaround. + +Signed-off-by: Han Xu <han.xu@nxp.com> +--- + drivers/mtd/nand/raw/nand_base.c | 3 ++- + 1 file changed, 2 insertions(+), 1 deletion(-) + +--- a/drivers/mtd/nand/raw/nand_base.c ++++ b/drivers/mtd/nand/raw/nand_base.c +@@ -934,7 +934,8 @@ static int nand_init_data_interface(stru + modes = GENMASK(chip->onfi_timing_mode_default, 0); + } + +- for (mode = fls(modes) - 1; mode >= 0; mode--) { ++ /* for (mode = fls(modes) - 1; mode >= 0; mode--) { */ ++ for (mode = 1; mode >= 0; mode--) { + ret = onfi_fill_data_interface(chip, NAND_SDR_IFACE, mode); + if (ret) + continue; |