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authorAndy Gross <[email protected]>2016-04-19 21:39:16 -0500
committerAndy Gross <[email protected]>2016-04-19 21:39:16 -0500
commitb55b592ee374d3f04f41c2e6fd259ca2c0f1d333 (patch)
treef110524d269f059264b93a64b9f7223727a61461 /include/linux
parentf55532a0c0b8bb6148f4e07853b876ef73bc69ca (diff)
parent028021d29ea069390e1f60c6aa5b3511d218454b (diff)
Merge tag 'qcom-soc-for-4.7' into soc-for-4.7-p2
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
Diffstat (limited to 'include/linux')
-rw-r--r--include/linux/soc/qcom/smd.h8
-rw-r--r--include/linux/soc/qcom/smem_state.h35
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