openwrtv3/target/linux/lantiq/patches-3.14/0020-MTD-lantiq-handle-NO_XIP-on-cfi0001-flash.patch

31 lines
1 KiB
Diff
Raw Normal View History

From e3b20f04e9f9cae1babe091fdc1d08d7703ae344 Mon Sep 17 00:00:00 2001
From: John Crispin <blogic@openwrt.org>
Date: Thu, 7 Aug 2014 18:18:00 +0200
Subject: [PATCH 20/36] MTD: lantiq: handle NO_XIP on cfi0001 flash
Signed-off-by: John Crispin <blogic@openwrt.org>
---
drivers/mtd/maps/lantiq-flash.c | 6 +++++-
1 file changed, 5 insertions(+), 1 deletion(-)
diff --git a/drivers/mtd/maps/lantiq-flash.c b/drivers/mtd/maps/lantiq-flash.c
index 93c507a..710d699 100644
--- a/drivers/mtd/maps/lantiq-flash.c
+++ b/drivers/mtd/maps/lantiq-flash.c
@@ -140,7 +140,11 @@ ltq_mtd_probe(struct platform_device *pdev)
if (!ltq_mtd->map)
return -ENOMEM;
- ltq_mtd->map->phys = ltq_mtd->res->start;
+ if (of_find_property(pdev->dev.of_node, "lantiq,noxip", NULL))
+ ltq_mtd->map->phys = NO_XIP;
+ else
+ ltq_mtd->map->phys = ltq_mtd->res->start;
+ ltq_mtd->res->start;
ltq_mtd->map->size = resource_size(ltq_mtd->res);
ltq_mtd->map->virt = devm_ioremap_resource(&pdev->dev, ltq_mtd->res);
if (IS_ERR(ltq_mtd->map->virt))
--
1.7.10.4