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45 lines
1.4 KiB
Diff
45 lines
1.4 KiB
Diff
From 4400e1f593ea40a51912128adb4f53d59e62cad8 Mon Sep 17 00:00:00 2001
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From: John Crispin <blogic@openwrt.org>
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Date: Wed, 10 Sep 2014 22:40:18 +0200
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Subject: [PATCH 22/36] MTD: m25p80: allow loading mtd name from OF
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In accordance with the physmap flash we should honour the linux,mtd-name
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property when deciding what name the mtd device has.
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Signed-off-by: Thomas Langer <thomas.langer@lantiq.com>
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Signed-off-by: John Crispin <blogic@openwrt.org>
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---
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drivers/mtd/devices/m25p80.c | 6 ++++++
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1 file changed, 6 insertions(+)
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--- a/drivers/mtd/devices/m25p80.c
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+++ b/drivers/mtd/devices/m25p80.c
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@@ -19,6 +19,7 @@
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#include <linux/errno.h>
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#include <linux/module.h>
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#include <linux/device.h>
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+#include <linux/of.h>
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#include <linux/mtd/mtd.h>
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#include <linux/mtd/partitions.h>
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@@ -198,6 +199,10 @@ static int m25p_probe(struct spi_device
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enum read_mode mode = SPI_NOR_NORMAL;
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char *flash_name;
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int ret;
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+ const char __maybe_unused *of_mtd_name = NULL;
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+
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+ of_property_read_string(spi->dev.of_node,
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+ "linux,mtd-name", &of_mtd_name);
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data = dev_get_platdata(&spi->dev);
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@@ -227,6 +232,8 @@ static int m25p_probe(struct spi_device
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if (data && data->name)
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nor->mtd.name = data->name;
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+ else if (of_mtd_name)
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+ nor->mtd.name = of_mtd_name;
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/* For some (historical?) reason many platforms provide two different
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* names in flash_platform_data: "name" and "type". Quite often name is
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