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sky2: Use 32bit read to read Y2_VAUX_AVAIL

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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>
This commit is contained in:
Mike McCormack 2009-09-01 03:54:27 +00:00 committed by David S. Miller
parent 90bbebb4a8
commit 72c6068328
2 changed files with 2 additions and 2 deletions
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2
drivers/net/sky2.c
View file

@ -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));

2
drivers/net/sky2.h
View file

@ -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) */