stmmac: display the descriptors if DES0 = 0

It makes sense to display the descriptors even if
DES0 is zero. This helps for example in case of it
is needed to dump rx write-back descriptors to get
timestamp status.

Signed-off-by: Giuseppe Cavallaro <peppe.cavallaro@st.com>
Cc: Alexandre TORGUE <alexandre.torgue@st.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

diff --git a/drivers/net/ethernet/stmicro/stmmac/dwmac4_descs.c b/drivers/net/ethernet/stmicro/stmmac/dwmac4_descs.c
index 4ec7397..a1b17cd 100644 (file)
--- a/drivers/net/ethernet/stmicro/stmmac/dwmac4_descs.c
+++ b/drivers/net/ethernet/stmicro/stmmac/dwmac4_descs.c
@@ -347,10 +347,9 @@ static void dwmac4_display_ring(void *head, unsigned int size, bool rx)
        pr_info("%s descriptor ring:\n", rx ? "RX" : "TX");
 
        for (i = 0; i < size; i++) {
-               if (p->des0)
-                       pr_info("%d [0x%x]: 0x%x 0x%x 0x%x 0x%x\n",
-                               i, (unsigned int)virt_to_phys(p),
-                               p->des0, p->des1, p->des2, p->des3);
+               pr_info("%d [0x%x]: 0x%x 0x%x 0x%x 0x%x\n",
+                       i, (unsigned int)virt_to_phys(p),
+                       p->des0, p->des1, p->des2, p->des3);
                p++;
        }
 }