dma: Add stub of dma_memcpy and dma_get_device
Add stub for dma_memcpy() and dma_get_device when CONFIG_DMA is
disabled. This avoids ifdefs in driver code using DMA APIs
Signed-off-by: Vignesh Raghavendra <vigneshr@ti.com>
Reviewed-by: Simon Glass <sjg@chromium.org>
diff --git a/include/dma.h b/include/dma.h
index 6c55aa3..5b247b5 100644
--- a/include/dma.h
+++ b/include/dma.h
@@ -304,6 +304,7 @@
int dma_get_cfg(struct dma *dma, u32 cfg_id, void **cfg_data);
#endif /* CONFIG_DMA_CHANNELS */
+#if CONFIG_IS_ENABLED(DMA)
/*
* dma_get_device - get a DMA device which supports transfer
* type of transfer_type
@@ -327,5 +328,15 @@
transferred and on failure return error code.
*/
int dma_memcpy(void *dst, void *src, size_t len);
+#else
+static inline int dma_get_device(u32 transfer_type, struct udevice **devp)
+{
+ return -ENOSYS;
+}
+static inline int dma_memcpy(void *dst, void *src, size_t len)
+{
+ return -ENOSYS;
+}
+#endif /* CONFIG_DMA */
#endif /* _DMA_H_ */