sfc: Do not reinitialise XAUI serdes before it has completed reset

falcon_reset_xaui() waits for XGXS reset to complete, but the XAUI
serdes reset may take longer.  It needs to check both reset active
bits.

Signed-off-by: Ben Hutchings <bhutchings@solarflare.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
diff --git a/drivers/net/sfc/falcon_hwdefs.h b/drivers/net/sfc/falcon_hwdefs.h
index 375e2a5..2d22611 100644
--- a/drivers/net/sfc/falcon_hwdefs.h
+++ b/drivers/net/sfc/falcon_hwdefs.h
@@ -700,6 +700,8 @@
 /* XGXS/XAUI powerdown/reset register */
 #define XX_PWR_RST_REG 0x1300
 
+#define XX_SD_RST_ACT_LBN 16
+#define XX_SD_RST_ACT_WIDTH 1
 #define XX_PWRDND_EN_LBN 15
 #define XX_PWRDND_EN_WIDTH 1
 #define XX_PWRDNC_EN_LBN 14