Merge tag 'qcom-soc-for-4.7' of git://git.kernel.org/pub/scm/linux/kernel/git/agross/linux into next/drivers

Qualcomm ARM Based SoC Updates for v4.7

* Add stubs for smem_state to fix build issues
* Fix module usage in SPM driver
* Add i2c and spi entries into QCOM MAINTAINERS entry
* Add SMD multi channel support
* Add clks to QCOM MAINTAINERS

* tag 'qcom-soc-for-4.7' of git://git.kernel.org/pub/scm/linux/kernel/git/agross/linux:
  soc: qcom: smd: Support opening additional channels
  soc: qcom: smd: Support multiple channels per sdev
  soc: qcom: smd: Refactor channel open and close handling
  soc: qcom: smd: Split discovery and state change work
  soc: qcom: smd: Introduce callback setter
  drivers: qcom: spm: avoid module usage in non-modular SPM driver
  soc: qcom: smem_state: Add stubs for disabled smem_state
  MAINTAINERS: add qcom clocks to the maintainers list
  MAINTAINERS: add qcom i2c and spi drivers to list

Signed-off-by: Olof Johansson <olof@lixom.net>

2 files changed, 42 insertions, 1 deletions

diff --git a/include/linux/soc/qcom/smd.h b/include/linux/soc/qcom/smd.h
index d0cb6d189a0a..bd51c8a9d807 100644
--- a/include/linux/soc/qcom/smd.h
+++ b/include/linux/soc/qcom/smd.h
@@ -26,6 +26,8 @@ struct qcom_smd_device {
 	struct qcom_smd_channel *channel;
 };
 
+typedef int (*qcom_smd_cb_t)(struct qcom_smd_device *, const void *, size_t);
+
 /**
  * struct qcom_smd_driver - smd driver struct
  * @driver:	underlying device driver
@@ -42,7 +44,7 @@ struct qcom_smd_driver {
 
 	int (*probe)(struct qcom_smd_device *dev);
 	void (*remove)(struct qcom_smd_device *dev);
-	int (*callback)(struct qcom_smd_device *, const void *, size_t);
+	qcom_smd_cb_t callback;
 };
 
 int qcom_smd_driver_register(struct qcom_smd_driver *drv);
@@ -54,4 +56,8 @@ void qcom_smd_driver_unregister(struct qcom_smd_driver *drv);
 
 int qcom_smd_send(struct qcom_smd_channel *channel, const void *data, int len);
 
+struct qcom_smd_channel *qcom_smd_open_channel(struct qcom_smd_device *sdev,
+					       const char *name,
+					       qcom_smd_cb_t cb);
+
 #endif
diff --git a/include/linux/soc/qcom/smem_state.h b/include/linux/soc/qcom/smem_state.h
index f35e1512fcaa..7b88697929e9 100644
--- a/include/linux/soc/qcom/smem_state.h
+++ b/include/linux/soc/qcom/smem_state.h
@@ -1,12 +1,17 @@
 #ifndef __QCOM_SMEM_STATE__
 #define __QCOM_SMEM_STATE__
 
+#include <linux/errno.h>
+
+struct device_node;
 struct qcom_smem_state;
 
 struct qcom_smem_state_ops {
 	int (*update_bits)(void *, u32, u32);
 };
 
+#ifdef CONFIG_QCOM_SMEM_STATE
+
 struct qcom_smem_state *qcom_smem_state_get(struct device *dev, const char *con_id, unsigned *bit);
 void qcom_smem_state_put(struct qcom_smem_state *);
 
@@ -15,4 +20,34 @@ int qcom_smem_state_update_bits(struct qcom_smem_state *state, u32 mask, u32 val
 struct qcom_smem_state *qcom_smem_state_register(struct device_node *of_node, const struct qcom_smem_state_ops *ops, void *data);
 void qcom_smem_state_unregister(struct qcom_smem_state *state);
 
+#else
+
+static inline struct qcom_smem_state *qcom_smem_state_get(struct device *dev,
+	const char *con_id, unsigned *bit)
+{
+	return ERR_PTR(-EINVAL);
+}
+
+static inline void qcom_smem_state_put(struct qcom_smem_state *state)
+{
+}
+
+static inline int qcom_smem_state_update_bits(struct qcom_smem_state *state,
+	u32 mask, u32 value)
+{
+	return -EINVAL;
+}
+
+static inline struct qcom_smem_state *qcom_smem_state_register(struct device_node *of_node,
+	const struct qcom_smem_state_ops *ops, void *data)
+{
+	return ERR_PTR(-EINVAL);
+}
+
+static inline void qcom_smem_state_unregister(struct qcom_smem_state *state)
+{
+}
+
+#endif
+
 #endif