aboutsummaryrefslogtreecommitdiffstats
path: root/target/linux/lantiq/patches-3.14/0029-reset-Fix-compile-when-reset-RESET_CONTROLLER-is-not.patch
diff options
context:
space:
mode:
Diffstat (limited to 'target/linux/lantiq/patches-3.14/0029-reset-Fix-compile-when-reset-RESET_CONTROLLER-is-not.patch')
-rw-r--r--target/linux/lantiq/patches-3.14/0029-reset-Fix-compile-when-reset-RESET_CONTROLLER-is-not.patch112
1 files changed, 112 insertions, 0 deletions
diff --git a/target/linux/lantiq/patches-3.14/0029-reset-Fix-compile-when-reset-RESET_CONTROLLER-is-not.patch b/target/linux/lantiq/patches-3.14/0029-reset-Fix-compile-when-reset-RESET_CONTROLLER-is-not.patch
new file mode 100644
index 0000000000..ca9dd5a369
--- /dev/null
+++ b/target/linux/lantiq/patches-3.14/0029-reset-Fix-compile-when-reset-RESET_CONTROLLER-is-not.patch
@@ -0,0 +1,112 @@
+From 748c654a6ba890e9a1b5bd29d0f198ce6b2c091f Mon Sep 17 00:00:00 2001
+From: John Crispin <blogic@openwrt.org>
+Date: Fri, 9 Aug 2013 18:47:27 +0200
+Subject: [PATCH 29/31] reset: Fix compile when reset RESET_CONTROLLER is not
+ selected
+
+Drivers need to protect their reset api calls with #ifdef to avoid compile
+errors.
+
+This patch adds dummy wrappers in the same way that linux/of.h does it.
+
+Cc: linux-kernel@vger.kernel.org
+Cc: Philipp Zabel <p.zabel@pengutronix.de>
+Cc: Gabor Juhos <juhosg@openwrt.org>
+---
+ include/linux/reset-controller.h | 16 ++++++++++++++
+ include/linux/reset.h | 43 ++++++++++++++++++++++++++++++++++++++
+ 2 files changed, 59 insertions(+)
+
+diff --git a/include/linux/reset-controller.h b/include/linux/reset-controller.h
+index 41a4695..f38f530 100644
+--- a/include/linux/reset-controller.h
++++ b/include/linux/reset-controller.h
+@@ -46,7 +46,23 @@ struct reset_controller_dev {
+ unsigned int nr_resets;
+ };
+
++#if defined(CONFIG_RESET_CONTROLLER)
++
+ int reset_controller_register(struct reset_controller_dev *rcdev);
+ void reset_controller_unregister(struct reset_controller_dev *rcdev);
+
++#else
++
++static inline int reset_controller_register(struct reset_controller_dev *rcdev)
++{
++ return -ENOSYS;
++}
++
++void reset_controller_unregister(struct reset_controller_dev *rcdev)
++{
++
++}
++
++#endif
++
+ #endif
+diff --git a/include/linux/reset.h b/include/linux/reset.h
+index 6082247..1b36c9e 100644
+--- a/include/linux/reset.h
++++ b/include/linux/reset.h
+@@ -1,9 +1,13 @@
+ #ifndef _LINUX_RESET_H_
+ #define _LINUX_RESET_H_
+
++#include <linux/err.h>
++
+ struct device;
+ struct reset_control;
+
++#if defined(CONFIG_RESET_CONTROLLER)
++
+ int reset_control_reset(struct reset_control *rstc);
+ int reset_control_assert(struct reset_control *rstc);
+ int reset_control_deassert(struct reset_control *rstc);
+@@ -14,4 +18,43 @@ struct reset_control *devm_reset_control_get(struct device *dev, const char *id)
+
+ int device_reset(struct device *dev);
+
++#else /* CONFIG_RESET_CONTROLLER */
++
++static inline int reset_control_reset(struct reset_control *rstc)
++{
++ return -ENOSYS;
++}
++
++static inline int reset_control_assert(struct reset_control *rstc)
++{
++ return -ENOSYS;
++}
++
++static inline int reset_control_deassert(struct reset_control *rstc)
++{
++ return -ENOSYS;
++}
++
++static inline struct reset_control *reset_control_get(struct device *dev, const char *id)
++{
++ return ERR_PTR(-ENOSYS);
++}
++
++static inline void reset_control_put(struct reset_control *rstc)
++{
++
++}
++
++static inline struct reset_control *devm_reset_control_get(struct device *dev, const char *id)
++{
++ return ERR_PTR(-ENOSYS);
++}
++
++static inline int device_reset(struct device *dev)
++{
++ return -ENOSYS;
++}
++
++#endif
++
+ #endif
+--
+1.7.10.4
+