openwrt-archive/target/linux/socfpga/patches-4.4/0007-mtd-nand-spi-nor-assign-MTD-of_node.patch

From 0b3e7c875f3f6ac9127b55eb99817c2f412e164e Mon Sep 17 00:00:00 2001
From: Brian Norris <computersforpeace@gmail.com>
Date: Fri, 30 Oct 2015 20:33:22 -0700
Subject: [PATCH 07/33] mtd: {nand,spi-nor}: assign MTD of_node

We should pass along our flash DT node to the MTD layer, so it can set
up ofpart for us.

Signed-off-by: Brian Norris <computersforpeace@gmail.com>
Reviewed-by: Boris Brezillon <boris.brezillon@free-electrons.com>
---
 drivers/mtd/nand/nand_base.c  | 3 +++
 drivers/mtd/spi-nor/spi-nor.c | 1 +
 2 files changed, 4 insertions(+)

diff --git a/drivers/mtd/nand/nand_base.c b/drivers/mtd/nand/nand_base.c
index 3ff583f..1f30656 100644
--- a/drivers/mtd/nand/nand_base.c
+++ b/drivers/mtd/nand/nand_base.c
@@ -3990,6 +3990,9 @@ int nand_scan_ident(struct mtd_info *mtd, int maxchips,
 	int ret;
 
 	if (chip->flash_node) {
+		/* MTD can automatically handle DT partitions, etc. */
+		mtd_set_of_node(mtd, chip->flash_node);
+
 		ret = nand_dt_init(mtd, chip, chip->flash_node);
 		if (ret)
 			return ret;
diff --git a/drivers/mtd/spi-nor/spi-nor.c b/drivers/mtd/spi-nor/spi-nor.c
index 32477c4..24ad373 100644
--- a/drivers/mtd/spi-nor/spi-nor.c
+++ b/drivers/mtd/spi-nor/spi-nor.c
@@ -1256,6 +1256,7 @@ int spi_nor_scan(struct spi_nor *nor, const char *name, enum read_mode mode)
 		mtd->flags |= MTD_NO_ERASE;
 
 	mtd->dev.parent = dev;
+	mtd_set_of_node(mtd, np);
 	nor->page_size = info->page_size;
 	mtd->writebufsize = nor->page_size;
 
-- 
2.8.1