openwrtv3/target/linux/brcm63xx/patches-4.4/414-MTD-m25p80-allow-passing-pp_data.patch
Jonas Gorski 0ddae04c22 brcm63xx: backport mtd of node changes from upstream
Should fix parser data containing uninitialized values for of probed
physmap flashes, which could break e.g. the redboot parser.

Signed-off-by: Jonas Gorski <jonas.gorski@gmail.com>
2016-08-13 15:49:35 +02:00

40 lines
1.3 KiB
Diff

From 7f17dfe9009beb07a3de0e380932a725293829df Mon Sep 17 00:00:00 2001
From: Jonas Gorski <jonas.gorski@gmail.com>
Date: Tue, 1 May 2012 17:33:03 +0200
Subject: [PATCH 64/79] MTD: m25p80: allow passing pp_data
---
drivers/mtd/devices/m25p80.c | 5 +++--
include/linux/spi/flash.h | 2 ++
2 files changed, 5 insertions(+)
--- a/drivers/mtd/devices/m25p80.c
+++ b/drivers/mtd/devices/m25p80.c
@@ -276,7 +276,8 @@ static int m25p_probe(struct spi_device
return ret;
return mtd_device_parse_register(&nor->mtd,
- data ? data->part_probe_types : NULL, NULL,
+ data ? data->part_probe_types : NULL,
+ data ? data->pp_data : NULL,
data ? data->parts : NULL,
data ? data->nr_parts : 0);
}
--- a/include/linux/spi/flash.h
+++ b/include/linux/spi/flash.h
@@ -12,6 +12,7 @@ struct mtd_part_parser_data;
* with chips that can't be queried for JEDEC or other IDs
* @part_probe_types: optional list of MTD parser names to use for
* partitioning
+ * @pp_data: optional partition parser data.
*
* @max_transfer_len: option maximum read/write length limitation for
* SPI controllers not able to transfer any length commands.
@@ -30,6 +31,7 @@ struct flash_platform_data {
char *type;
const char **part_probe_types;
+ struct mtd_part_parser_data *pp_data;
unsigned int max_transfer_len;
/* we'll likely add more ... use JEDEC IDs, etc */