lantiq: Add support for linux 4.4
[openwrt/openwrt.git] / target / linux / lantiq / patches-4.4 / 0020-MTD-lantiq-handle-NO_XIP-on-cfi0001-flash.patch
1 From e3b20f04e9f9cae1babe091fdc1d08d7703ae344 Mon Sep 17 00:00:00 2001
2 From: John Crispin <blogic@openwrt.org>
3 Date: Thu, 7 Aug 2014 18:18:00 +0200
4 Subject: [PATCH 20/36] MTD: lantiq: handle NO_XIP on cfi0001 flash
5
6 Signed-off-by: John Crispin <blogic@openwrt.org>
7 ---
8 drivers/mtd/maps/lantiq-flash.c | 6 +++++-
9 1 file changed, 5 insertions(+), 1 deletion(-)
10
11 --- a/drivers/mtd/maps/lantiq-flash.c
12 +++ b/drivers/mtd/maps/lantiq-flash.c
13 @@ -138,7 +138,11 @@ ltq_mtd_probe(struct platform_device *pd
14 if (!ltq_mtd->map)
15 return -ENOMEM;
16
17 - ltq_mtd->map->phys = ltq_mtd->res->start;
18 + if (of_find_property(pdev->dev.of_node, "lantiq,noxip", NULL))
19 + ltq_mtd->map->phys = NO_XIP;
20 + else
21 + ltq_mtd->map->phys = ltq_mtd->res->start;
22 + ltq_mtd->res->start;
23 ltq_mtd->map->size = resource_size(ltq_mtd->res);
24 ltq_mtd->map->virt = devm_ioremap_resource(&pdev->dev, ltq_mtd->res);
25 if (IS_ERR(ltq_mtd->map->virt))