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Subject[PATCH v3 1/2] soc: qcom: smd: Introduce compile stubs
Date
Introduce compile stubs for the SMD API, allowing consumers to be
compile tested.

Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>
---

Changes since v2:
- Introduce this patch, to allow compile testing of QRTR_SMD

include/linux/soc/qcom/smd.h | 28 +++++++++++++++++++++++++++-
1 file changed, 27 insertions(+), 1 deletion(-)

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
--
2.5.0
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