diff options
Diffstat (limited to 'target')
| -rw-r--r-- | target/linux/ramips/patches-4.14/0038-Revert-mtd-nand-Remove-unused-chip-write_page-hook.patch | 67 | ||||
| -rw-r--r-- | target/linux/ramips/patches-4.14/0040-nand-hack.patch | 30 |
2 files changed, 68 insertions, 29 deletions
diff --git a/target/linux/ramips/patches-4.14/0038-Revert-mtd-nand-Remove-unused-chip-write_page-hook.patch b/target/linux/ramips/patches-4.14/0038-Revert-mtd-nand-Remove-unused-chip-write_page-hook.patch new file mode 100644 index 0000000000..4758f18558 --- /dev/null +++ b/target/linux/ramips/patches-4.14/0038-Revert-mtd-nand-Remove-unused-chip-write_page-hook.patch @@ -0,0 +1,67 @@ +From: =?UTF-8?q?Rafa=C5=82=20Mi=C5=82ecki?= <rafal@milecki.pl> +Subject: [PATCH] Revert "mtd: nand: Remove unused chip->write_page() hook" +MIME-Version: 1.0 +Content-Type: text/plain; charset=UTF-8 +Content-Transfer-Encoding: 8bit + +This reverts commit f107d7a43923a83d837b3ea3c7b7de58cd014bbd. + +OpenWrt's downstream driver mtk_nand2 still uses that callback. + +Signed-off-by: Rafał Miłecki <rafal@milecki.pl> +--- + +--- a/drivers/mtd/nand/nand_base.c ++++ b/drivers/mtd/nand/nand_base.c +@@ -2577,7 +2577,7 @@ static int nand_write_page_syndrome(stru + } + + /** +- * nand_write_page - write one page ++ * nand_write_page - [REPLACEABLE] write one page + * @mtd: MTD device structure + * @chip: NAND chip descriptor + * @offset: address offset within the page +@@ -2761,9 +2761,9 @@ 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)); ++ ret = chip->write_page(mtd, chip, column, bytes, wbuf, ++ oob_required, page, ++ (ops->mode == MTD_OPS_RAW)); + if (ret) + break; + +@@ -4719,6 +4719,9 @@ int nand_scan_tail(struct mtd_info *mtd) + } + } + ++ if (!chip->write_page) ++ chip->write_page = nand_write_page; ++ + /* + * Check ECC mode, default to software if 3byte/512byte hardware ECC is + * selected and we have 256 byte pagesize fallback to software ECC +--- a/include/linux/mtd/rawnand.h ++++ b/include/linux/mtd/rawnand.h +@@ -862,6 +862,7 @@ struct nand_manufacturer_ops { + * structure which is shared among multiple independent + * devices. + * @priv: [OPTIONAL] pointer to private chip data ++ * @write_page: [REPLACEABLE] High-level page write function + * @manufacturer: [INTERN] Contains manufacturer information + */ + +@@ -885,6 +886,9 @@ 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, diff --git a/target/linux/ramips/patches-4.14/0040-nand-hack.patch b/target/linux/ramips/patches-4.14/0040-nand-hack.patch index c906d7fa6a..58cdf1bce7 100644 --- a/target/linux/ramips/patches-4.14/0040-nand-hack.patch +++ b/target/linux/ramips/patches-4.14/0040-nand-hack.patch @@ -18,37 +18,9 @@ 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 -@@ -885,6 +885,9 @@ 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, -@@ -893,6 +896,9 @@ struct nand_chip { +@@ -897,6 +897,9 @@ struct nand_chip { int (*setup_data_interface)(struct mtd_info *mtd, int chipnr, const struct nand_data_interface *conf); |