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authorBjorn Andersson <bjorn.andersson@linaro.org>2016-05-06 17:09:07 +0300
committerDavid S. Miller <davem@davemloft.net>2016-05-09 06:46:14 +0300
commit43315f31adc2bf3b35e04dcf2372c3bb08014ed1 (patch)
treedad4d0b403d238c415fe49d9daf82e5c1e429e56 /include/linux/soc
parent218d48e701f08a71df57c410e596e30b3285bd25 (diff)
downloadlinux-43315f31adc2bf3b35e04dcf2372c3bb08014ed1.tar.xz
soc: qcom: smd: Introduce compile stubs
Introduce compile stubs for the SMD API, allowing consumers to be compile tested. Acked-by: Andy Gross <andy.gross@linaro.org> Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'include/linux/soc')
-rw-r--r--include/linux/soc/qcom/smd.h28
1 files changed, 27 insertions, 1 deletions
diff --git a/include/linux/soc/qcom/smd.h b/include/linux/soc/qcom/smd.h
index d0cb6d189a0a..46a984f5e3a3 100644
--- a/include/linux/soc/qcom/smd.h
+++ b/include/linux/soc/qcom/smd.h
@@ -45,13 +45,39 @@ struct qcom_smd_driver {
int (*callback)(struct qcom_smd_device *, const void *, size_t);
};
+#if IS_ENABLED(CONFIG_QCOM_SMD)
+
int qcom_smd_driver_register(struct qcom_smd_driver *drv);
void qcom_smd_driver_unregister(struct qcom_smd_driver *drv);
+int qcom_smd_send(struct qcom_smd_channel *channel, const void *data, int len);
+
+#else
+
+static inline int qcom_smd_driver_register(struct qcom_smd_driver *drv)
+{
+ return -ENXIO;
+}
+
+static inline void qcom_smd_driver_unregister(struct qcom_smd_driver *drv)
+{
+ /* This shouldn't be possible */
+ WARN_ON(1);
+}
+
+static inline int qcom_smd_send(struct qcom_smd_channel *channel,
+ const void *data, int len)
+{
+ /* This shouldn't be possible */
+ WARN_ON(1);
+ return -ENXIO;
+}
+
+#endif
+
#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);
#endif