From 716ca530e1c4515d8683c9d5be3d56b301758b66 Mon Sep 17 00:00:00 2001
From: James <>
Date: Wed, 4 Nov 2015 11:49:21 +0000
Subject: trunk-47381

---
 ...allow-to-use-platform-specific-chip-fixup.patch | 37 ++++++++++++++++++++++
 1 file changed, 37 insertions(+)
 create mode 100644 target/linux/generic/patches-4.3/450-mtd-nand-allow-to-use-platform-specific-chip-fixup.patch

(limited to 'target/linux/generic/patches-4.3/450-mtd-nand-allow-to-use-platform-specific-chip-fixup.patch')

diff --git a/target/linux/generic/patches-4.3/450-mtd-nand-allow-to-use-platform-specific-chip-fixup.patch b/target/linux/generic/patches-4.3/450-mtd-nand-allow-to-use-platform-specific-chip-fixup.patch
new file mode 100644
index 0000000..84d2e14
--- /dev/null
+++ b/target/linux/generic/patches-4.3/450-mtd-nand-allow-to-use-platform-specific-chip-fixup.patch
@@ -0,0 +1,37 @@
+---
+ drivers/mtd/nand/plat_nand.c |   13 ++++++++++++-
+ include/linux/mtd/nand.h     |    1 +
+ 2 files changed, 13 insertions(+), 1 deletion(-)
+
+--- a/include/linux/mtd/nand.h
++++ b/include/linux/mtd/nand.h
+@@ -869,6 +869,7 @@ struct platform_nand_chip {
+ 	unsigned int options;
+ 	unsigned int bbt_options;
+ 	const char **part_probe_types;
++	int (*chip_fixup)(struct mtd_info *mtd);
+ };
+ 
+ /* Keep gcc happy */
+--- a/drivers/mtd/nand/plat_nand.c
++++ b/drivers/mtd/nand/plat_nand.c
+@@ -88,7 +88,18 @@ static int plat_nand_probe(struct platfo
+ 	}
+ 
+ 	/* Scan to find existence of the device */
+-	if (nand_scan(&data->mtd, pdata->chip.nr_chips)) {
++	if (nand_scan_ident(&data->mtd, pdata->chip.nr_chips, NULL)) {
++		err = -ENXIO;
++		goto out;
++	}
++
++	if (pdata->chip.chip_fixup) {
++		err = pdata->chip.chip_fixup(&data->mtd);
++		if (err)
++			goto out;
++	}
++
++	if (nand_scan_tail(&data->mtd)) {
+ 		err = -ENXIO;
+ 		goto out;
+ 	}
-- 
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