openwrt/target/linux/lantiq/patches-4.19/0022-MTD-m25p80-allow-loading-mtd-name-from-OF.patch
Koen Vandeputte f19e471f32 kernel: bump 4.19 to 4.19.86
Refreshed all patches.

Altered patches:
- 950-0064-mfd-Add-Raspberry-Pi-Sense-HAT-core-driver.patch
- 0005-mtd-physmap_of-Move-custom-initialization.patch

Remove upstreamed:
- 0001-pinctrl-gemini-Mask-and-set-properly.patch
- 0002-pinctrl-gemini-Fix-up-TVC-clock-group.patch

Compile-tested on: cns3xxx
Runtime-tested on: cns3xxx

Signed-off-by: Koen Vandeputte <koen.vandeputte@ncentric.com>
2019-11-29 09:59:49 +01:00

45 lines
1.3 KiB
Diff

From 4400e1f593ea40a51912128adb4f53d59e62cad8 Mon Sep 17 00:00:00 2001
From: John Crispin <blogic@openwrt.org>
Date: Wed, 10 Sep 2014 22:40:18 +0200
Subject: [PATCH 22/36] 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 | 6 ++++++
1 file changed, 6 insertions(+)
--- a/drivers/mtd/devices/m25p80.c
+++ b/drivers/mtd/devices/m25p80.c
@@ -19,6 +19,7 @@
#include <linux/errno.h>
#include <linux/module.h>
#include <linux/device.h>
+#include <linux/of.h>
#include <linux/mtd/mtd.h>
#include <linux/mtd/partitions.h>
@@ -173,6 +174,10 @@ static int m25p_probe(struct spi_mem *sp
};
char *flash_name;
int ret;
+ const char __maybe_unused *of_mtd_name = NULL;
+
+ of_property_read_string(spi->dev.of_node,
+ "linux,mtd-name", &of_mtd_name);
data = dev_get_platdata(&spimem->spi->dev);
@@ -211,6 +216,8 @@ static int m25p_probe(struct spi_mem *sp
if (data && data->name)
nor->mtd.name = data->name;
+ else if (of_mtd_name)
+ nor->mtd.name = of_mtd_name;
if (!nor->mtd.name)
nor->mtd.name = spi_mem_get_name(spimem);