openwrt/target/linux/lantiq/patches-3.9/0001-MTD-m25p80-allow-loading-mtd-name-from-OF.patch
John Crispin 124ef95f5f lantiq: add v3.9 support
Signed-off-by: John Crispin <blogic@openwrt.org>

SVN-Revision: 37089
2013-06-29 18:16:56 +00:00

45 lines
1.4 KiB
Diff

From 0a27a5e5917d8d5e179763788c204d12895c278b Mon Sep 17 00:00:00 2001
From: John Crispin <blogic@openwrt.org>
Date: Tue, 29 Jan 2013 21:11:55 +0100
Subject: [PATCH 01/22] MTD: m25p80: allow loading mtd name from OF
In accordance with the physmap flash we should honour the linux,mtd-name
property when deciding what name the mtd device has.
Signed-off-by: Thomas Langer <thomas.langer@lantiq.com>
Signed-off-by: John Crispin <blogic@openwrt.org>
---
drivers/mtd/devices/m25p80.c | 5 +++++
1 file changed, 5 insertions(+)
diff --git a/drivers/mtd/devices/m25p80.c b/drivers/mtd/devices/m25p80.c
index 5b6b072..3a7a8f7 100644
--- a/drivers/mtd/devices/m25p80.c
+++ b/drivers/mtd/devices/m25p80.c
@@ -904,10 +904,13 @@ static int m25p_probe(struct spi_device *spi)
unsigned i;
struct mtd_part_parser_data ppdata;
struct device_node __maybe_unused *np = spi->dev.of_node;
+ const char __maybe_unused *of_mtd_name = NULL;
#ifdef CONFIG_MTD_OF_PARTS
if (!of_device_is_available(np))
return -ENODEV;
+ of_property_read_string(spi->dev.of_node,
+ "linux,mtd-name", &of_mtd_name);
#endif
/* Platform data helps sort out which chip type we have, as
@@ -983,6 +986,8 @@ static int m25p_probe(struct spi_device *spi)
if (data && data->name)
flash->mtd.name = data->name;
+ else if (of_mtd_name)
+ flash->mtd.name = of_mtd_name;
else
flash->mtd.name = dev_name(&spi->dev);
--
1.7.10.4