lantiq: Add support for linux 4.4

[openwrt.git] / target / linux / lantiq / patches-4.4 / 0020-MTD-lantiq-handle-NO_XIP-on-cfi0001-flash.patch

diff --git a/target/linux/lantiq/patches-4.4/0020-MTD-lantiq-handle-NO_XIP-on-cfi0001-flash.patch b/target/linux/lantiq/patches-4.4/0020-MTD-lantiq-handle-NO_XIP-on-cfi0001-flash.patch
new file mode 100644 (file)
index 0000000..3b38a95
--- /dev/null
+++ b/target/linux/lantiq/patches-4.4/0020-MTD-lantiq-handle-NO_XIP-on-cfi0001-flash.patch
@@ -0,0 +1,25 @@
+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(-)
+
+--- a/drivers/mtd/maps/lantiq-flash.c
++++ b/drivers/mtd/maps/lantiq-flash.c
+@@ -138,7 +138,11 @@ ltq_mtd_probe(struct platform_device *pd
+       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))