domenico/openwrt-18.06
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domenico
2025-06-24 15:51:28 +02:00
commit 22031d9dab
6862 changed files with 1462554 additions and 0 deletions
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60
target/linux/ramips/patches-4.14/0040-nand-hack.patch Normal file
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@@ -0,0 +1,60 @@
--- a/drivers/mtd/nand/nand_base.c
+++ b/drivers/mtd/nand/nand_base.c
@@ -1908,6 +1908,9 @@ static int nand_do_read_ops(struct mtd_i
__func__, buf);
read_retry:
+#ifdef CONFIG_MTK_MTD_NAND
+ ret = chip->read_page(mtd, chip, bufpoi, page);
+#else
if (nand_standard_page_accessors(&chip->ecc))
chip->cmdfunc(mtd, NAND_CMD_READ0, 0x00, page);
@@ -1927,6 +1930,7 @@ read_retry:
else
ret = chip->ecc.read_page(mtd, chip, bufpoi,
oob_required, page);
+#endif
if (ret < 0) {
if (use_bufpoi)
/* Invalidate page cache */
@@ -2761,9 +2765,14 @@ static int nand_do_write_ops(struct mtd_
memset(chip->oob_poi, 0xff, mtd->oobsize);
}
- ret = nand_write_page(mtd, chip, column, bytes, wbuf,
- oob_required, page,
- (ops->mode == MTD_OPS_RAW));
+ if (chip->write_page)
+ ret = chip->write_page(mtd, chip, column, bytes, wbuf,
+ oob_required, page,
+ (ops->mode == MTD_OPS_RAW));
+ else
+ ret = nand_write_page(mtd, chip, column, bytes, wbuf,
+ oob_required, page,
+ (ops->mode == MTD_OPS_RAW));
if (ret)
break;
--- a/include/linux/mtd/rawnand.h
+++ b/include/linux/mtd/rawnand.h
@@ -883,6 +883,9 @@ struct nand_chip {
int(*waitfunc)(struct mtd_info *mtd, struct nand_chip *this);
int (*erase)(struct mtd_info *mtd, int page);
int (*scan_bbt)(struct mtd_info *mtd);
+ int (*write_page)(struct mtd_info *mtd, struct nand_chip *chip,
+ uint32_t offset, int data_len, const uint8_t *buf,
+ int oob_required, int page, int raw);
int (*onfi_set_features)(struct mtd_info *mtd, struct nand_chip *chip,
int feature_addr, uint8_t *subfeature_para);
int (*onfi_get_features)(struct mtd_info *mtd, struct nand_chip *chip,
@@ -891,6 +894,9 @@ struct nand_chip {
int (*setup_data_interface)(struct mtd_info *mtd, int chipnr,
const struct nand_data_interface *conf);
+#ifdef CONFIG_MTK_MTD_NAND
+ int (*read_page)(struct mtd_info *mtd, struct nand_chip *chip, u8 *buf, int page);
+#endif /* CONFIG_MTK_MTD_NAND */
int chip_delay;
unsigned int options;