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Diffstat (limited to 'target/linux/mvebu/patches-3.10/0093-mtd-get-the-ECC-info-from-the-parameter-page-for-ONF.patch')
-rw-r--r--target/linux/mvebu/patches-3.10/0093-mtd-get-the-ECC-info-from-the-parameter-page-for-ONF.patch31
1 files changed, 31 insertions, 0 deletions
diff --git a/target/linux/mvebu/patches-3.10/0093-mtd-get-the-ECC-info-from-the-parameter-page-for-ONF.patch b/target/linux/mvebu/patches-3.10/0093-mtd-get-the-ECC-info-from-the-parameter-page-for-ONF.patch
new file mode 100644
index 0000000000..6c70fda3cb
--- /dev/null
+++ b/target/linux/mvebu/patches-3.10/0093-mtd-get-the-ECC-info-from-the-parameter-page-for-ONF.patch
@@ -0,0 +1,31 @@
+From ceef2075f3aa430da137e3629b0280a46d420ccd Mon Sep 17 00:00:00 2001
+From: Huang Shijie <b32955@freescale.com>
+Date: Fri, 17 May 2013 11:17:26 +0800
+Subject: [PATCH 093/203] mtd: get the ECC info from the parameter page for
+ ONFI nand
+
+From the ONFI spec, we can just get the ECC info from the @ecc_bits field of
+the parameter page.
+
+Signed-off-by: Huang Shijie <b32955@freescale.com>
+Reviewed-and-tested-by: Brian Norris <computersforpeace@gmail.com>
+Signed-off-by: Brian Norris <computersforpeace@gmail.com>
+Signed-off-by: David Woodhouse <David.Woodhouse@intel.com>
+---
+ drivers/mtd/nand/nand_base.c | 5 +++++
+ 1 file changed, 5 insertions(+)
+
+--- a/drivers/mtd/nand/nand_base.c
++++ b/drivers/mtd/nand/nand_base.c
+@@ -2924,6 +2924,11 @@ static int nand_flash_detect_onfi(struct
+ if (le16_to_cpu(p->features) & 1)
+ *busw = NAND_BUSWIDTH_16;
+
++ if (p->ecc_bits != 0xff) {
++ chip->ecc_strength_ds = p->ecc_bits;
++ chip->ecc_step_ds = 512;
++ }
++
+ pr_info("ONFI flash detected\n");
+ return 1;
+ }