fdtdec: Add weak function to patch U-Boot DT right after fdtdec_setup()

[oweals/u-boot.git] / include / dma.h

diff --git a/include/dma.h b/include/dma.h
index 6c55aa3a0046f2b91225639d10d74054110ef9b5..6ff591977b1445f46d1c80ab74b53c2821417c83 100644 (file)
--- a/include/dma.h
+++ b/include/dma.h
@@ -9,6 +9,7 @@
 #ifndef _DMA_H_
 #define _DMA_H_
 
+#include <linux/bitops.h>
 #include <linux/errno.h>
 #include <linux/types.h>
 
@@ -304,6 +305,7 @@ int dma_send(struct dma *dma, void *src, size_t len, void *metadata);
 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 +329,15 @@ int dma_get_device(u32 transfer_type, struct udevice **devp);
             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_ */