This patch disables subpage writes for vf610_nfc nand
driver. This is required, as without this fix, writing
unaligned u-boot images with DFU results in a hang.
Trying to write unalgined binary images also results
in a hang, without disabling subpage writes.
Patch has been tested on a Colibri VF61 module.
Signed-off-by: Sanchayan Maity <maitysancha...@gmail.com>
---
drivers/mtd/nand/vf610_nfc.c | 3 +++
1 file changed, 3 insertions(+)
diff --git a/drivers/mtd/nand/vf610_nfc.c b/drivers/mtd/nand/vf610_nfc.c
index 7feb3a7..928d58b 100644
--- a/drivers/mtd/nand/vf610_nfc.c
+++ b/drivers/mtd/nand/vf610_nfc.c
@@ -611,6 +611,9 @@ static int vf610_nfc_nand_init(int devnum, void __iomem
*addr)
vf610_nfc_clear(mtd, NFC_FLASH_CONFIG, CONFIG_16BIT);
}
+ /* Disable subpage writes as we do not provide ecc->hwctl */
+ chip->options |= NAND_NO_SUBPAGE_WRITE;
+
chip->dev_ready = vf610_nfc_dev_ready;
chip->cmdfunc = vf610_nfc_command;
chip->read_byte = vf610_nfc_read_byte;
--
1.7.9.5
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