brcm2708: update linux 4.4 patches to latest version

As usual these patches were extracted and rebased from the raspberry pi repo:
https://github.com/raspberrypi/linux/tree/rpi-4.4.y

Also adds support for Raspberry Pi Compute Module 3 (untested).

Signed-off-by: Álvaro Fernández Rojas <noltari@gmail.com>

1 files changed, 35 insertions, 0 deletions

diff --git a/target/linux/brcm2708/patches-4.4/0457-drm-vc4-remove-redundant-ret-status-check.patch b/target/linux/brcm2708/patches-4.4/0457-drm-vc4-remove-redundant-ret-status-check.patch
new file mode 100644
index 0000000..7887f60
--- /dev/null
+++ b/target/linux/brcm2708/patches-4.4/0457-drm-vc4-remove-redundant-ret-status-check.patch
@@ -0,0 +1,35 @@
+From 2b643111b81df8724f317507471499660f4fc6f6 Mon Sep 17 00:00:00 2001
+From: Colin Ian King <colin.king@canonical.com>
+Date: Sat, 9 Jul 2016 23:26:03 +0100
+Subject: [PATCH] drm/vc4: remove redundant ret status check
+
+At the current point where ret is being checked for non-zero it has
+not changed since it was initialized to zero, hence the check and the
+label unref are redundant and can be removed.
+
+Signed-off-by: Colin Ian King <colin.king@canonical.com>
+Reviewed-by: Eric Anholt <eric@anholt.net>
+(cherry picked from commit deb4765db386db67626ffd075d8b5eb5fdf9c4f6)
+---
+ drivers/gpu/drm/vc4/vc4_drv.c | 3 ---
+ 1 file changed, 3 deletions(-)
+
+--- a/drivers/gpu/drm/vc4/vc4_drv.c
++++ b/drivers/gpu/drm/vc4/vc4_drv.c
+@@ -233,8 +233,6 @@ static int vc4_drm_bind(struct device *d
+ 	vc4_bo_cache_init(drm);
+ 
+ 	drm_mode_config_init(drm);
+-	if (ret)
+-		goto unref;
+ 
+ 	vc4_gem_init(drm);
+ 
+@@ -268,7 +266,6 @@ unbind_all:
+ 	component_unbind_all(dev, drm);
+ gem_destroy:
+ 	vc4_gem_destroy(drm);
+-unref:
+ 	drm_dev_unref(drm);
+ 	vc4_bo_cache_destroy(drm);
+ 	return ret;