soc: qcom: smd: Introduce callback setter

Introduce a setter for the callback function pointer to clarify the
locking around the operation and to reduce some duplication.

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

1 files changed, 3 insertions, 1 deletions

diff --git a/include/linux/soc/qcom/smd.h b/include/linux/soc/qcom/smd.h
index d0cb6d189a0a..65a64fcdb1aa 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);