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authorjuhosg <juhosg@3c298f89-4303-0410-b956-a3cf2f4a3e73>2013-09-27 11:15:34 +0000
committerjuhosg <juhosg@3c298f89-4303-0410-b956-a3cf2f4a3e73>2013-09-27 11:15:34 +0000
commit5b7b8a809034685cd3624eb925133f2754a8dc78 (patch)
tree58a5547fdd804c4e28bf8ba017013414300c65a9 /target/linux/ar71xx/files
parente02911abe1aad843e19f5172c291129d5cd12cdc (diff)
ar71xx: ar934x-nfc: disable subpage write when hardware ECC is used
It is not supported by the controller. Signed-off-by: Gabor Juhos <juhosg@openwrt.org> git-svn-id: svn://svn.openwrt.org/openwrt/trunk@38234 3c298f89-4303-0410-b956-a3cf2f4a3e73
Diffstat (limited to 'target/linux/ar71xx/files')
-rw-r--r--target/linux/ar71xx/files/drivers/mtd/nand/ar934x_nfc.c6
1 files changed, 6 insertions, 0 deletions
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 8b6658087f..9231251593 100644
--- a/target/linux/ar71xx/files/drivers/mtd/nand/ar934x_nfc.c
+++ b/target/linux/ar71xx/files/drivers/mtd/nand/ar934x_nfc.c
@@ -1281,6 +1281,12 @@ ar934x_nfc_setup_hwecc(struct ar934x_nfc *nfc)
switch (nfc->mtd.writesize) {
case 2048:
+ /*
+ * Writing a subpage separately is not supported, because
+ * the controller only does ECC on full-page accesses.
+ */
+ nand->options = NAND_NO_SUBPAGE_WRITE;
+
nand->ecc.size = 512;
nand->ecc.bytes = 7;
nand->ecc.strength = 4;