net: dwc: Fix cache alignment issues

[karo-tx-uboot.git] / drivers / net / designware.c

diff --git a/drivers/net/designware.c b/drivers/net/designware.c
index 7186e3b491ecabd6128720a6284a1ef42d4b93c0..aaf146d444d4e166e651988af8d18934e15dd4c4 100644 (file)
--- a/drivers/net/designware.c
+++ b/drivers/net/designware.c
@@ -303,7 +303,8 @@ static int dw_eth_send(struct eth_device *dev, void *packet, int length)
 
        /* Flush data to be sent */
        flush_dcache_range((unsigned long)desc_p->dmamac_addr,
-                          (unsigned long)desc_p->dmamac_addr + length);
+                          (unsigned long)desc_p->dmamac_addr +
+                          roundup(length, ARCH_DMA_MINALIGN));
 
 #if defined(CONFIG_DW_ALTDESCRIPTOR)
        desc_p->txrx_status |= DESC_TXSTS_TXFIRST | DESC_TXSTS_TXLAST;
@@ -372,7 +373,8 @@ static int dw_eth_recv(struct eth_device *dev)
                /* Flush only status field - others weren't changed */
                flush_dcache_range((unsigned long)&desc_p->txrx_status,
                                   (unsigned long)&desc_p->txrx_status +
-                                  sizeof(desc_p->txrx_status));
+                                       roundup(sizeof(desc_p->txrx_status),
+                                               ARCH_DMA_MINALIGN));
 
                /* Test the wrap-around condition. */
                if (++desc_num >= CONFIG_RX_DESCR_NUM)