[PATCH] of: reserved_mem: restore old behavior when no region is defined
From: m.szyprowski@samsung.com (Marek Szyprowski)
Date: 2016-06-08 06:51:53
Also in:
dri-devel, linux-devicetree, linux-media, linux-samsung-soc
Subsystem:
open firmware and flattened device tree, the rest · Maintainers:
Rob Herring, Saravana Kannan, Linus Torvalds
Change return value back to -ENODEV when no region is defined for given
device. This restores old behavior of this function, as some drivers rely
on such error code.
Reported-by: Liviu Dudau <liviu.dudau@arm.com>
Fixes: 59ce4039727ef40 ("of: reserved_mem: add support for using more than
one region for given device")
Signed-off-by: Marek Szyprowski <m.szyprowski@samsung.com>
---
drivers/of/of_reserved_mem.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/of/of_reserved_mem.c b/drivers/of/of_reserved_mem.c
index 3cf129f..06af99f 100644
--- a/drivers/of/of_reserved_mem.c
+++ b/drivers/of/of_reserved_mem.c@@ -334,7 +334,7 @@ int of_reserved_mem_device_init_by_idx(struct device *dev, target = of_parse_phandle(np, "memory-region", idx); if (!target) - return -EINVAL; + return -ENODEV; rmem = __find_rmem(target); of_node_put(target);
--
1.9.2