sky2: Use 32bit read to read Y2_VAUX_AVAIL

B0_CTST is a 24bit register according to the vendor driver (sk98lin).
A 16bit read on B0_CTST will always return 0 for Y2_VAUX_AVAIL (1<<16),
 so use a 32bit read when testing Y2_VAUX_AVAIL

Signed-off-by: Mike McCormack <mikem@ring3k.org>
Acked-by: Stephen Hemminger <shemminger@vyatta.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

2 files changed, 2 insertions, 2 deletions

diff --git a/drivers/net/sky2.c b/drivers/net/sky2.c
index 7108b1292b92..d1f3b46a2b08 100644
--- a/drivers/net/sky2.c
+++ b/drivers/net/sky2.c
@@ -273,7 +273,7 @@ static void sky2_power_aux(struct sky2_hw *hw)
                             Y2_COR_CLK_LNK2_DIS | Y2_CLK_GAT_LNK2_DIS);
 
         /* switch power to VAUX */
-        if (sky2_read16(hw, B0_CTST) & Y2_VAUX_AVAIL)
+        if (sky2_read32(hw, B0_CTST) & Y2_VAUX_AVAIL)
                 sky2_write8(hw, B0_POWER_CTRL,
                             (PC_VAUX_ENA | PC_VCC_ENA |
                              PC_VAUX_ON | PC_VCC_OFF));
diff --git a/drivers/net/sky2.h b/drivers/net/sky2.h
index 34042ff7c121..e0f23a101043 100644
--- a/drivers/net/sky2.h
+++ b/drivers/net/sky2.h
@@ -260,7 +260,7 @@ enum csr_regs {
         Y2_CFG_AER      = 0x1d00,       /* PCI Advanced Error Report region */
 };
 
-/*      B0_CTST                 16 bit  Control/Status register */
+/*      B0_CTST                 24 bit  Control/Status register */
 enum {
         Y2_VMAIN_AVAIL  = 1<<17,/* VMAIN available (YUKON-2 only) */
         Y2_VAUX_AVAIL   = 1<<16,/* VAUX available (YUKON-2 only) */