diff options
Diffstat (limited to 'target/linux/sunxi/patches-4.1/116-mtd-add-vendor-specific-initcode-infra.patch')
| -rw-r--r-- | target/linux/sunxi/patches-4.1/116-mtd-add-vendor-specific-initcode-infra.patch | 51 |
1 files changed, 51 insertions, 0 deletions
diff --git a/target/linux/sunxi/patches-4.1/116-mtd-add-vendor-specific-initcode-infra.patch b/target/linux/sunxi/patches-4.1/116-mtd-add-vendor-specific-initcode-infra.patch new file mode 100644 index 0000000..5a4917c --- /dev/null +++ b/target/linux/sunxi/patches-4.1/116-mtd-add-vendor-specific-initcode-infra.patch @@ -0,0 +1,51 @@ +From 95430662a26332474f4a03a7f8f44fd8d80890b3 Mon Sep 17 00:00:00 2001 +From: Boris BREZILLON <b.brezillon.dev@gmail.com> +Date: Mon, 24 Feb 2014 16:28:32 +0100 +Subject: [PATCH] mtd: nand: Add manufacturer specific init code infrastructure + +Add new fields in nand_manufacturers and nand_chip struct to provide +manufacturer specific handling like read retries. + +Signed-off-by: Boris BREZILLON <b.brezillon.dev@gmail.com> +Signed-off-by: Hans de Goede <hdegoede@redhat.com> +--- + drivers/mtd/nand/nand_base.c | 7 +++++++ + include/linux/mtd/nand.h | 4 ++++ + 2 files changed, 11 insertions(+) + +--- a/drivers/mtd/nand/nand_base.c ++++ b/drivers/mtd/nand/nand_base.c +@@ -4382,6 +4382,13 @@ ident_done: + if (mtd->writesize > 512 && chip->cmdfunc == nand_command) + chip->cmdfunc = nand_command_lp; + ++ if (nand_manuf_ids[maf_idx].init) { ++ int err; ++ err = nand_manuf_ids[maf_idx].init(mtd, id_data); ++ if (err) ++ return ERR_PTR(err); ++ } ++ + pr_info("device found, Manufacturer ID: 0x%02x, Chip ID: 0x%02x\n", + *maf_id, *dev_id); + +--- a/include/linux/mtd/nand.h ++++ b/include/linux/mtd/nand.h +@@ -748,6 +748,9 @@ struct nand_chip { + int (*onfi_get_features)(struct mtd_info *mtd, struct nand_chip *chip, + int feature_addr, uint8_t *subfeature_para); + int (*setup_read_retry)(struct mtd_info *mtd, int retry_mode); ++ void (*manuf_cleanup)(struct mtd_info *mtd); ++ ++ void *manuf_priv; + + int chip_delay; + unsigned int options; +@@ -950,6 +953,7 @@ struct nand_flash_dev { + struct nand_manufacturers { + int id; + char *name; ++ int (*init)(struct mtd_info *mtd, const uint8_t *id); + }; + + extern struct nand_flash_dev nand_flash_ids[]; |