mirror of https://github.com/hak5/openwrt.git
70 lines
2.8 KiB
Diff
70 lines
2.8 KiB
Diff
From fb177d5b534f263735dc6955703e3c711b950f35 Mon Sep 17 00:00:00 2001
|
|
From: Michal Suchanek <hramrach@gmail.com>
|
|
Date: Thu, 1 Jan 2015 00:57:46 +0100
|
|
Subject: [PATCH] mtd: nand: print full chip ID
|
|
|
|
Full chip ID is printed so user has data to paste from syslog in case
|
|
of chip misidentification.
|
|
|
|
Signed-off-by: Michal Suchanek <hramrach@gmail.com>
|
|
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
|
|
---
|
|
drivers/mtd/nand/nand_base.c | 23 ++++++++++++++++++-----
|
|
1 file changed, 18 insertions(+), 5 deletions(-)
|
|
|
|
diff --git a/drivers/mtd/nand/nand_base.c b/drivers/mtd/nand/nand_base.c
|
|
index 5c6f465..05ec786 100644
|
|
--- a/drivers/mtd/nand/nand_base.c
|
|
+++ b/drivers/mtd/nand/nand_base.c
|
|
@@ -4247,7 +4247,7 @@ static inline bool is_full_id_nand(struct nand_flash_dev *type)
|
|
}
|
|
|
|
static bool find_full_id_nand(struct mtd_info *mtd, struct nand_chip *chip,
|
|
- struct nand_flash_dev *type, u8 *id_data, int *busw)
|
|
+ struct nand_flash_dev *type, const u8 *id_data, int *busw)
|
|
{
|
|
if (!strncmp(type->id, id_data, type->id_len)) {
|
|
mtd->writesize = type->pagesize;
|
|
@@ -4273,6 +4273,21 @@ static bool find_full_id_nand(struct mtd_info *mtd, struct nand_chip *chip,
|
|
}
|
|
|
|
/*
|
|
+ * Print full detail of chip ID read from chip.
|
|
+ */
|
|
+static void print_nand_chip_info(int maf_id, int dev_id, u8 id_data[8])
|
|
+{
|
|
+ u8 delim[8] = { [0 ... 7] = ',' };
|
|
+ pr_info("device found, Manufacturer ID: 0x%02x, Chip ID: 0x%02x\n", maf_id, dev_id);
|
|
+ delim[7] = ' ';
|
|
+ delim[nand_id_len(id_data, 8) - 1] = ';';
|
|
+ /* This sucks. Kernel seems to insert newline after every other printk so format in one go. */
|
|
+ pr_info("chip id data: 0x%02x%c 0x%02x%c 0x%02x%c 0x%02x%c 0x%02x%c 0x%02x%c 0x%02x%c 0x%02x%c\n",
|
|
+ id_data[0], delim[0], id_data[1], delim[1], id_data[2], delim[2], id_data[3], delim[3],
|
|
+ id_data[4], delim[4], id_data[5], delim[5], id_data[6], delim[6], id_data[7], delim[7]);
|
|
+}
|
|
+
|
|
+/*
|
|
* Get the flash and manufacturer id and lookup if the type is supported.
|
|
*/
|
|
static struct nand_flash_dev *nand_get_flash_type(struct mtd_info *mtd,
|
|
@@ -4385,8 +4400,7 @@ static struct nand_flash_dev *nand_get_flash_type(struct mtd_info *mtd,
|
|
* Check, if buswidth is correct. Hardware drivers should set
|
|
* chip correct!
|
|
*/
|
|
- pr_info("device found, Manufacturer ID: 0x%02x, Chip ID: 0x%02x\n",
|
|
- *maf_id, *dev_id);
|
|
+ print_nand_chip_info(*maf_id, *dev_id, id_data);
|
|
pr_info("%s %s\n", nand_manuf_ids[maf_idx].name, mtd->name);
|
|
pr_warn("bus width %d instead %d bit\n",
|
|
(chip->options & NAND_BUSWIDTH_16) ? 16 : 8,
|
|
@@ -4424,8 +4438,7 @@ static struct nand_flash_dev *nand_get_flash_type(struct mtd_info *mtd,
|
|
return ERR_PTR(err);
|
|
}
|
|
|
|
- pr_info("device found, Manufacturer ID: 0x%02x, Chip ID: 0x%02x\n",
|
|
- *maf_id, *dev_id);
|
|
+ print_nand_chip_info(*maf_id, *dev_id, id_data);
|
|
|
|
if (chip->onfi_version)
|
|
pr_info("%s %s\n", nand_manuf_ids[maf_idx].name,
|