1 files changed, 4 insertions, 6 deletions

diff --git a/firmware/target/mips/ingenic_jz47xx/usb-jz4760.c b/firmware/target/mips/ingenic_jz47xx/usb-jz4760.c
index 3c7bb80f2c..275fd3fd2b 100644
--- a/firmware/target/mips/ingenic_jz47xx/usb-jz4760.c
+++ b/firmware/target/mips/ingenic_jz47xx/usb-jz4760.c
@@ -360,7 +360,7 @@ static void EPIN_handler(unsigned int endpoint)
     }
 
     logf("EP%d: %d -> %d", endpoint, ep->sent, ep->length);
-    
+
     if(ep->sent == 0)
         length = MIN(ep->length, ep->fifo_size);
     else
@@ -456,7 +456,7 @@ static void EPDMA_handler(int number)
         /* Disable DMA */
         REG_USB_CNTL(1) = 0;
 
-        __dcache_invalidate_all();
+        commit_discard_dcache(); // XXX range?
 
         select_endpoint(endpoint);
         /* Read out last packet manually */
@@ -846,8 +846,7 @@ static void usb_drv_send_internal(struct usb_endpoint* ep, void* ptr, int length
     {
         if(ep->use_dma)
         {
-            //dma_cache_wback_inv((unsigned long)ptr, length);
-            __dcache_writeback_all();
+            commit_discard_dcache_range(ptr, length);
             REG_USB_ADDR(0) = PHYSADDR((unsigned long)ptr);
             REG_USB_COUNT(0) = length;
             REG_USB_CNTL(0) = (USB_CNTL_INTR_EN | USB_CNTL_MODE_1 |
@@ -921,8 +920,7 @@ int usb_drv_recv(int endpoint, void* ptr, int length)
     ep->busy = true;
     if(ep->use_dma)
     {
-        //dma_cache_wback_inv((unsigned long)ptr, length);
-        __dcache_writeback_all();
+        discard_dcache_range(ptr, length);
         REG_USB_ADDR(1) = PHYSADDR((unsigned long)ptr);
         REG_USB_COUNT(1) = length;
         REG_USB_CNTL(1) = (USB_CNTL_INTR_EN | USB_CNTL_MODE_1 |