[OpenWrt-Devel] [PATCH] [ar71xx] ar934x-nfc: allow ECC to be configured in software BCH mode

[Thomas Hebb]

Some devices ship with NAND images that use BCH ECC. Let the driver know
about that ECC mode so that it can be selected by machine files.

Signed-off-by: Thomas Hebb <tommyhebb at gmail.com>
---
 target/linux/ar71xx/files/drivers/mtd/nand/ar934x_nfc.c       | 4 ++++
 target/linux/ar71xx/files/include/linux/platform/ar934x_nfc.h | 1 +
 2 files changed, 5 insertions(+)

diff --git a/target/linux/ar71xx/files/drivers/mtd/nand/ar934x_nfc.c
b/target/linux/ar71xx/files/drivers/mtd/nand/ar934x_nfc.c
index 9231251..8968129 100644
--- a/target/linux/ar71xx/files/drivers/mtd/nand/ar934x_nfc.c
+++ b/target/linux/ar71xx/files/drivers/mtd/nand/ar934x_nfc.c
@@ -1437,6 +1437,10 @@ ar934x_nfc_probe(struct platform_device *pdev)
 		nand->ecc.mode = NAND_ECC_SOFT;
 		break;

+	case AR934X_NFC_ECC_SOFT_BCH:
+		nand->ecc.mode = NAND_ECC_SOFT_BCH;
+		break;
+
 	case AR934X_NFC_ECC_HW:
 		ret = ar934x_nfc_setup_hwecc(nfc);
 		if (ret)
diff --git
a/target/linux/ar71xx/files/include/linux/platform/ar934x_nfc.h
b/target/linux/ar71xx/files/include/linux/platform/ar934x_nfc.h
index 4a4e751..371aaee 100644
--- a/target/linux/ar71xx/files/include/linux/platform/ar934x_nfc.h
+++ b/target/linux/ar71xx/files/include/linux/platform/ar934x_nfc.h
@@ -20,6 +20,7 @@ struct mtd_partition;
 enum ar934x_nfc_ecc_mode {
 	AR934X_NFC_ECC_SOFT = 0,
 	AR934X_NFC_ECC_HW,
+	AR934X_NFC_ECC_SOFT_BCH,
 };

 struct ar934x_nfc_platform_data {
-- 
2.4.3
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