[PATCH 08/24] mtd: rawnand: sunxi: cosmetic: move ECC_ERR_CNT register offset in SoC caps
    Richard Genoud 
    richard.genoud at bootlin.com
       
    Thu Oct 16 16:27:31 CEST 2025
    
    
  
ECC_ERR_CNT register offset moved in H616, so let's make it a SoC cap
Signed-off-by: Richard Genoud <richard.genoud at bootlin.com>
---
 drivers/mtd/nand/raw/sunxi_nand.c | 3 ++-
 drivers/mtd/nand/raw/sunxi_nand.h | 5 ++++-
 2 files changed, 6 insertions(+), 2 deletions(-)
diff --git a/drivers/mtd/nand/raw/sunxi_nand.c b/drivers/mtd/nand/raw/sunxi_nand.c
index 3f30077b3d15..359f6cdda08a 100644
--- a/drivers/mtd/nand/raw/sunxi_nand.c
+++ b/drivers/mtd/nand/raw/sunxi_nand.c
@@ -737,7 +737,7 @@ static int sunxi_nfc_hw_ecc_read_chunk(struct mtd_info *mtd,
 		return 1;
 	}
 
-	ret = NFC_ECC_ERR_CNT(0, readl(nfc->regs + NFC_REG_ECC_ERR_CNT(0)));
+	ret = NFC_ECC_ERR_CNT(0, readl(nfc->regs + NFC_REG_ECC_ERR_CNT(nfc, 0)));
 
 	memcpy_fromio(data, nfc->regs + NFC_RAM0_BASE, ecc->size);
 
@@ -1713,6 +1713,7 @@ static int sunxi_nand_probe(struct udevice *dev)
 
 static const struct sunxi_nfc_caps sunxi_nfc_a10_caps = {
 	.nstrengths = 9,
+	.reg_ecc_err_cnt = NFC_REG_A10_ECC_ERR_CNT,
 };
 
 static const struct udevice_id sunxi_nand_ids[] = {
diff --git a/drivers/mtd/nand/raw/sunxi_nand.h b/drivers/mtd/nand/raw/sunxi_nand.h
index 80fbc8df0090..b961f2ef3bf2 100644
--- a/drivers/mtd/nand/raw/sunxi_nand.h
+++ b/drivers/mtd/nand/raw/sunxi_nand.h
@@ -41,7 +41,8 @@
 #define NFC_REG_ECC_CTL		0x0034
 #define NFC_REG_ECC_ST		0x0038
 #define NFC_REG_DEBUG		0x003C
-#define NFC_REG_ECC_ERR_CNT(x)	((0x0040 + (x)) & ~0x3)
+#define NFC_REG_A10_ECC_ERR_CNT	0x0040
+#define NFC_REG_ECC_ERR_CNT(nfc, x)	(((nfc)->caps->reg_ecc_err_cnt + (x)) & ~0x3)
 #define NFC_REG_USER_DATA(x)	(0x0050 + ((x) * 4))
 #define NFC_REG_SPARE_AREA	0x00A0
 #define NFC_REG_PAT_ID		0x00A4
@@ -158,9 +159,11 @@
  * for distinction between compatible strings.
  *
  * @nstrengths:		Number of element of ECC strengths array
+ * @reg_ecc_err_cnt:	ECC error counter register
  */
 struct sunxi_nfc_caps {
 	unsigned int nstrengths;
+	unsigned int reg_ecc_err_cnt;
 };
 
 #endif
    
    
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