You cannot select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
52 lines
1.6 KiB
Diff
52 lines
1.6 KiB
Diff
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[];
|