sunxi: initial 4.4 support

Signed-off-by: Zoltan HERPAI <wigyori@uid0.hu>



git-svn-id: svn://svn.openwrt.org/openwrt/trunk@48161 3c298f89-4303-0410-b956-a3cf2f4a3e73

1 files changed, 91 insertions, 0 deletions

diff --git a/target/linux/sunxi/patches-4.4/142-reset-use-ENOTSUPP-instead-of-ENOSYS.patch b/target/linux/sunxi/patches-4.4/142-reset-use-ENOTSUPP-instead-of-ENOSYS.patch
new file mode 100644
index 0000000000..a80eed4481
--- /dev/null
+++ b/target/linux/sunxi/patches-4.4/142-reset-use-ENOTSUPP-instead-of-ENOSYS.patch
@@ -0,0 +1,91 @@
+From 5a819175b911ce33f3337e1e069d4bcea1ec4788 Mon Sep 17 00:00:00 2001
+From: Philipp Zabel <p.zabel@pengutronix.de>
+Date: Thu, 29 Oct 2015 09:55:00 +0100
+Subject: [PATCH] reset: use ENOTSUPP instead of ENOSYS
+
+ENOSYS is reserved to report invalid syscalls to userspace.
+Consistently return ENOTSUPP to indicate that the driver doesn't support
+the functionality or the reset framework is not enabled at all.
+
+Signed-off-by: Philipp Zabel <p.zabel@pengutronix.de>
+---
+ drivers/reset/core.c  | 8 ++++----
+ include/linux/reset.h | 8 ++++----
+ 2 files changed, 8 insertions(+), 8 deletions(-)
+
+diff --git a/drivers/reset/core.c b/drivers/reset/core.c
+index 77cfc49..9ab9290 100644
+--- a/drivers/reset/core.c
++++ b/drivers/reset/core.c
+@@ -95,7 +95,7 @@ int reset_control_reset(struct reset_control *rstc)
+ 	if (rstc->rcdev->ops->reset)
+ 		return rstc->rcdev->ops->reset(rstc->rcdev, rstc->id);
+ 
+-	return -ENOSYS;
++	return -ENOTSUPP;
+ }
+ EXPORT_SYMBOL_GPL(reset_control_reset);
+ 
+@@ -108,7 +108,7 @@ int reset_control_assert(struct reset_control *rstc)
+ 	if (rstc->rcdev->ops->assert)
+ 		return rstc->rcdev->ops->assert(rstc->rcdev, rstc->id);
+ 
+-	return -ENOSYS;
++	return -ENOTSUPP;
+ }
+ EXPORT_SYMBOL_GPL(reset_control_assert);
+ 
+@@ -121,7 +121,7 @@ int reset_control_deassert(struct reset_control *rstc)
+ 	if (rstc->rcdev->ops->deassert)
+ 		return rstc->rcdev->ops->deassert(rstc->rcdev, rstc->id);
+ 
+-	return -ENOSYS;
++	return -ENOTSUPP;
+ }
+ EXPORT_SYMBOL_GPL(reset_control_deassert);
+ 
+@@ -136,7 +136,7 @@ int reset_control_status(struct reset_control *rstc)
+ 	if (rstc->rcdev->ops->status)
+ 		return rstc->rcdev->ops->status(rstc->rcdev, rstc->id);
+ 
+-	return -ENOSYS;
++	return -ENOTSUPP;
+ }
+ EXPORT_SYMBOL_GPL(reset_control_status);
+ 
+diff --git a/include/linux/reset.h b/include/linux/reset.h
+index 6db74ad..c4c097d 100644
+--- a/include/linux/reset.h
++++ b/include/linux/reset.h
+@@ -74,7 +74,7 @@ static inline void reset_control_put(struct reset_control *rstc)
+ 
+ static inline int device_reset_optional(struct device *dev)
+ {
+-	return -ENOSYS;
++	return -ENOTSUPP;
+ }
+ 
+ static inline struct reset_control *__must_check reset_control_get(
+@@ -94,19 +94,19 @@ static inline struct reset_control *__must_check devm_reset_control_get(
+ static inline struct reset_control *reset_control_get_optional(
+ 					struct device *dev, const char *id)
+ {
+-	return ERR_PTR(-ENOSYS);
++	return ERR_PTR(-ENOTSUPP);
+ }
+ 
+ static inline struct reset_control *devm_reset_control_get_optional(
+ 					struct device *dev, const char *id)
+ {
+-	return ERR_PTR(-ENOSYS);
++	return ERR_PTR(-ENOTSUPP);
+ }
+ 
+ static inline struct reset_control *of_reset_control_get(
+ 				struct device_node *node, const char *id)
+ {
+-	return ERR_PTR(-ENOSYS);
++	return ERR_PTR(-ENOTSUPP);
+ }
+ 
+ static inline struct reset_control *of_reset_control_get_by_index(