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NET: lan91c96: Correct chip detect logic

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The lan91c96_detect_chip routine is not correct according
to the manual.

Signed-off-by: YanJun Yang <yangyj.ee@gmail.com>
This commit is contained in:
Yanjun Yang 2010-12-28 16:08:25 +08:00 committed by Wolfgang Denk
parent ed6ce67a2c
commit 16721715b9
1 changed files with 1 additions and 1 deletions
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2
drivers/net/lan91c96.c
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@ -780,7 +780,7 @@ static int lan91c96_detect_chip(struct eth_device *dev)
u8 chip_id; u8 chip_id;
int r; int r;
SMC_SELECT_BANK(dev, 3); SMC_SELECT_BANK(dev, 3);
chip_id = SMC_inw(dev, 0xA) & LAN91C96_REV_REVID; chip_id = (SMC_inw(dev, 0xA) & LAN91C96_REV_CHIPID) >> 4;
SMC_SELECT_BANK(dev, 0); SMC_SELECT_BANK(dev, 0);
for (r = 0; r < sizeof(supported_chips) / sizeof(struct id_type); r++) for (r = 0; r < sizeof(supported_chips) / sizeof(struct id_type); r++)
if (chip_id == supported_chips[r].id) if (chip_id == supported_chips[r].id)