mtd: nand: sunxi: Add randomizer configuration before randomizer enable

Message ID 20250519154225.2928-1-vulab@iscas.ac.cn (mailing list archive)
State New
Headers
Series mtd: nand: sunxi: Add randomizer configuration before randomizer enable |

Commit Message

Wentao Liang May 19, 2025, 3:42 p.m. UTC
In sunxi_nfc_hw_ecc_read_chunk(), the sunxi_nfc_randomizer_enable() is
called without the config of randomizer. A proper implementation can be
found in sunxi_nfc_hw_ecc_read_chunks_dma().

Add sunxi_nfc_randomizer_config() before the start of randomization.

Fixes: 4be4e03efc7f ("mtd: nand: sunxi: add randomizer support")
Cc: stable@vger.kernel.org # v4.6
Signed-off-by: Wentao Liang <vulab@iscas.ac.cn>
---
 drivers/mtd/nand/raw/sunxi_nand.c | 1 +
 1 file changed, 1 insertion(+)
  

Patch

diff --git a/drivers/mtd/nand/raw/sunxi_nand.c b/drivers/mtd/nand/raw/sunxi_nand.c
index fab371e3e9b7..9179719f639e 100644
--- a/drivers/mtd/nand/raw/sunxi_nand.c
+++ b/drivers/mtd/nand/raw/sunxi_nand.c
@@ -817,6 +817,7 @@  static int sunxi_nfc_hw_ecc_read_chunk(struct nand_chip *nand,
 	if (ret)
 		return ret;
 
+	sunxi_nfc_randomizer_config(nand, page, false);
 	sunxi_nfc_randomizer_enable(nand);
 	writel(NFC_DATA_TRANS | NFC_DATA_SWAP_METHOD | NFC_ECC_OP,
 	       nfc->regs + NFC_REG_CMD);