The lan91c96_detect_chip routine is not correct according
to the manual.
Signed-off-by: YanJun Yang <yangyj...@gmail.com>
---
drivers/net/lan91c96.c | 2 +-
drivers/net/lan91c96.h | 3 ++-
2 files changed, 3 insertions(+), 2 deletions(-)
diff --git a/drivers/net/lan91c96.c b/drivers/net/lan91c96.c
index bd6966e..2550aa2 100644
--- a/drivers/net/lan91c96.c
+++ b/drivers/net/lan91c96.c
@@ -780,7 +780,7 @@ static int lan91c96_detect_chip(struct eth_device *dev)
u8 chip_id;
int r;
SMC_SELECT_BANK(dev, 3);
- chip_id = SMC_inw(dev, 0xA) & LAN91C96_REV_REVID;
+ chip_id = (SMC_inw(dev, 0xA) & LAN91C96_REV_CHIPID) >>
LAN91C96_CHIPID_SHIFT;
SMC_SELECT_BANK(dev, 0);
for (r = 0; r < sizeof(supported_chips) / sizeof(struct id_type); r++)
if (chip_id == supported_chips[r].id)
diff --git a/drivers/net/lan91c96.h b/drivers/net/lan91c96.h
index 6fbb0e3..609c92b 100644
--- a/drivers/net/lan91c96.h
+++ b/drivers/net/lan91c96.h
@@ -519,7 +519,8 @@ typedef unsigned long int dword;
****************************************************************************
*/
#define LAN91C96_REV_REVID (0xFU << 0)
-#define LAN91C96_REV_CHIPID (0xFU << 4)
+#define LAN91C96_CHIPID_SHIFT 4
+#define LAN91C96_REV_CHIPID (0xFU << LAN91C96_CHIPID_SHIFT)
/*
****************************************************************************
--
1.5.6.5
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