net/designware: align DMA buffer descriptors to D$ line

It's important to have ability to flush/invalidate each DMA buffer descriptor
individually to prevent incoherency of adjacent BDs.

Signed-off-by: Alexey Brodkin <[email protected]>
Cc: Vineet Gupta <[email protected]>
Cc: Joe Hershberger <[email protected]>
Cc: Vipin Kumar <[email protected]>
Cc: Stefan Roese <[email protected]>
Cc: Shiraz Hashim <[email protected]>
Cc: Albert ARIBAUD <[email protected]>
Cc: Amit Virdi <[email protected]>
Cc: Sonic Zhang <[email protected]>

diff --git a/drivers/net/designware.h b/drivers/net/designware.h
index afeaccec19a4858ecc61d26834fb2d2478656ef5..382b0c7f0a66c2a9dd4dab562a13f16f780e2bda 100644 (file)
--- a/drivers/net/designware.h
+++ b/drivers/net/designware.h
@@ -110,7 +110,7 @@ struct dmamacdescr {
        u32 dmamac_cntl;
        void *dmamac_addr;
        struct dmamacdescr *dmamac_next;
-} __aligned(16);
+} __aligned(ARCH_DMA_MINALIGN);
 
 /*
  * txrx_status definitions