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c997634c01
Fixes: b595670070 ("kernel: backport nvmem v6.6 fixes and v6.7 changes")
Fixes: https://github.com/openwrt/openwrt/issues/13831
Signed-off-by: Rafał Miłecki <rafal@milecki.pl>
55 lines
1.6 KiB
Diff
55 lines
1.6 KiB
Diff
From f32bc2aa01edcba2f2ed5db151cf183eac9ef919 Mon Sep 17 00:00:00 2001
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From: Abhimanyu Vishwakarma <Abhimanyu.Vishwakarma@imgtec.com>
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Date: Sat, 25 Feb 2017 16:42:50 +0000
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Subject: mtd: nor: support mtd name from device tree
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Signed-off-by: Abhimanyu Vishwakarma <Abhimanyu.Vishwakarma@imgtec.com>
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---
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drivers/mtd/spi-nor/spi-nor.c | 8 +++++++-
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1 file changed, 7 insertions(+), 1 deletion(-)
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--- a/drivers/mtd/spi-nor/core.c
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+++ b/drivers/mtd/spi-nor/core.c
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@@ -3108,6 +3108,7 @@ int spi_nor_scan(struct spi_nor *nor, co
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struct device *dev = nor->dev;
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struct mtd_info *mtd = &nor->mtd;
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struct device_node *np = spi_nor_get_flash_node(nor);
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+ const char __maybe_unused *of_mtd_name = NULL;
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int ret;
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int i;
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@@ -3162,7 +3163,12 @@ int spi_nor_scan(struct spi_nor *nor, co
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if (ret)
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return ret;
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- if (!mtd->name)
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+#ifdef CONFIG_MTD_OF_PARTS
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+ of_property_read_string(np, "linux,mtd-name", &of_mtd_name);
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+#endif
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+ if (of_mtd_name)
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+ mtd->name = of_mtd_name;
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+ else if (!mtd->name)
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mtd->name = dev_name(dev);
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mtd->priv = nor;
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mtd->type = MTD_NORFLASH;
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--- a/drivers/mtd/mtdcore.c
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+++ b/drivers/mtd/mtdcore.c
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@@ -870,6 +870,17 @@ out_error:
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*/
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static void mtd_set_dev_defaults(struct mtd_info *mtd)
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{
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+#ifdef CONFIG_MTD_OF_PARTS
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+ const char __maybe_unused *of_mtd_name = NULL;
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+ struct device_node *np;
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+
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+ np = mtd_get_of_node(mtd);
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+ if (np && !mtd->name) {
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+ of_property_read_string(np, "linux,mtd-name", &of_mtd_name);
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+ if (of_mtd_name)
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+ mtd->name = of_mtd_name;
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+ } else
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+#endif
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if (mtd->dev.parent) {
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if (!mtd->owner && mtd->dev.parent->driver)
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mtd->owner = mtd->dev.parent->driver->owner;
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