soc: qcom: smd: Make callback pass channel reference

By passing the smd channel reference to the callback, rather than the
smd device, we can open additional smd channels from sub-devices of smd
devices.

Also updates the two smd clients today found in mainline.

Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>
Signed-off-by: Andy Gross <andy.gross@linaro.org>

1 files changed, 5 insertions, 2 deletions

diff --git a/include/linux/soc/qcom/smd.h b/include/linux/soc/qcom/smd.h
index bd51c8a9d807..cb2f81559bc0 100644
--- a/include/linux/soc/qcom/smd.h
+++ b/include/linux/soc/qcom/smd.h
@@ -26,7 +26,7 @@ struct qcom_smd_device {
         struct qcom_smd_channel *channel;
 };
 
-typedef int (*qcom_smd_cb_t)(struct qcom_smd_device *, const void *, size_t);
+typedef int (*qcom_smd_cb_t)(struct qcom_smd_channel *, const void *, size_t);
 
 /**
  * struct qcom_smd_driver - smd driver struct
@@ -50,13 +50,16 @@ struct qcom_smd_driver {
 int qcom_smd_driver_register(struct qcom_smd_driver *drv);
 void qcom_smd_driver_unregister(struct qcom_smd_driver *drv);
 
+void *qcom_smd_get_drvdata(struct qcom_smd_channel *channel);
+void qcom_smd_set_drvdata(struct qcom_smd_channel *channel, void *data);
+
 #define module_qcom_smd_driver(__smd_driver) \
         module_driver(__smd_driver, qcom_smd_driver_register, \
                       qcom_smd_driver_unregister)
 
 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,
+struct qcom_smd_channel *qcom_smd_open_channel(struct qcom_smd_channel *channel,
                                                const char *name,
                                                qcom_smd_cb_t cb);