From 0d062b6246026af6c2155941adaa1bdeac6af7f1 Mon Sep 17 00:00:00 2001 From: Pawel Dembicki Date: Wed, 24 Feb 2021 14:33:49 +0100 Subject: [PATCH] mpc85xx: p2020: Fix nand driver probe At this moment driver start fail with error: [ 3.771991] fsl,elbc-fcm-nand: probe of ffa00000.nand failed with error -22 elbc-fcm-nand driver use legacy method of ecc mode detection. It detect hw/sw ecc mode when system configure it to "none". [1] This patch adds 'nand-ecc-mode = "none"' propoerty to use generic driver ecc mode detection. [1] https://elixir.bootlin.com/linux/v5.10.18/source/drivers/mtd/nand/raw/fsl_elbc_nand.c#L730 Signed-off-by: Pawel Dembicki --- ...-mpc85xx-change-P2020RDB-dts-file-for-OpenWRT.patch | 10 +++++++++- 1 file changed, 9 insertions(+), 1 deletion(-) diff --git a/target/linux/mpc85xx/patches-5.10/104-powerpc-mpc85xx-change-P2020RDB-dts-file-for-OpenWRT.patch b/target/linux/mpc85xx/patches-5.10/104-powerpc-mpc85xx-change-P2020RDB-dts-file-for-OpenWRT.patch index a22f251077..d96b1d6c30 100644 --- a/target/linux/mpc85xx/patches-5.10/104-powerpc-mpc85xx-change-P2020RDB-dts-file-for-OpenWRT.patch +++ b/target/linux/mpc85xx/patches-5.10/104-powerpc-mpc85xx-change-P2020RDB-dts-file-for-OpenWRT.patch @@ -103,7 +103,15 @@ Signed-off-by: Pawel Dembicki }; }; -@@ -140,13 +135,43 @@ +@@ -85,6 +80,7 @@ + compatible = "fsl,p2020-fcm-nand", + "fsl,elbc-fcm-nand"; + reg = <0x1 0x0 0x40000>; ++ nand-ecc-mode = "none"; + + partition@0 { + /* This location must not be altered */ +@@ -140,13 +136,43 @@ soc: soc@ffe00000 { ranges = <0x0 0x0 0xffe00000 0x100000>; -- 2.30.2