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pistachio: Add mtd device name from dts

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Parse the "linux,mtd-name" property also for SPI NAND flashes.

Signed-off-by: Hauke Mehrtens <hauke@hauke-m.de>
This commit is contained in:
Hauke Mehrtens
2020-08-13 00:45:12 +02:00
parent bdc7d9691d
commit d2b63647cc
1 changed files with 20 additions and 0 deletions
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20
target/linux/pistachio/patches-5.4/401-mtd-nor-support-mtd-name-from-device-tree.patch
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@@ -32,3 +32,23 @@ Signed-off-by: Abhimanyu Vishwakarma <Abhimanyu.Vishwakarma@imgtec.com>
mtd->name = dev_name(dev); mtd->name = dev_name(dev);
mtd->priv = nor; mtd->priv = nor;
mtd->type = MTD_NORFLASH; mtd->type = MTD_NORFLASH;
--- a/drivers/mtd/mtdcore.c
+++ b/drivers/mtd/mtdcore.c
@@ -778,6 +778,17 @@ out_error:
*/
static void mtd_set_dev_defaults(struct mtd_info *mtd)
{
+#ifdef CONFIG_MTD_OF_PARTS
+ const char __maybe_unused *of_mtd_name = NULL;
+ struct device_node *np;
+
+ np = mtd_get_of_node(mtd);
+ if (np && !mtd->name) {
+ of_property_read_string(np, "linux,mtd-name", &of_mtd_name);
+ if (of_mtd_name)
+ mtd->name = of_mtd_name;
+ } else
+#endif
if (mtd->dev.parent) {
if (!mtd->owner && mtd->dev.parent->driver)
mtd->owner = mtd->dev.parent->driver->owner;