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-rw-r--r--drivers/usb/host/ehci.h17
1 files changed, 0 insertions, 17 deletions
diff --git a/drivers/usb/host/ehci.h b/drivers/usb/host/ehci.h
index 945eacac58e..01cefde1d49 100644
--- a/drivers/usb/host/ehci.h
+++ b/drivers/usb/host/ehci.h
@@ -779,23 +779,6 @@ static inline unsigned ehci_read_frame_index(struct ehci_hcd *ehci)
#endif
-/*
- * Writing to dma coherent memory on ARM may be delayed via L2
- * writing buffer, so introduce the helper which can flush L2 writing
- * buffer into memory immediately, especially used to flush ehci
- * descriptor to memory.
- * */
-#ifdef CONFIG_ARM_DMA_MEM_BUFFERABLE
-static inline void ehci_sync_mem()
-{
- mb();
-}
-#else
-static inline void ehci_sync_mem()
-{
-}
-#endif
-
/*-------------------------------------------------------------------------*/
#ifndef DEBUG