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i2c/scx200_acb: Provide more information on bus errors

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Upon a bus error, it's rather hard to guess what happened. Dumping the
address, length and status provides a lot of value for troubleshooting
issues.

Signed-off-by: Willy Tarreau <wtarreau@exceliance.fr>
Signed-off-by: Jean Delvare <khali@linux-fr.org>
This commit is contained in:
Willy Tarreau 2009-09-18 22:45:47 +02:00 committed by Jean Delvare
parent 2bb5095aff
commit fce96f3e5d
1 changed files with 4 additions and 2 deletions
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6
drivers/i2c/busses/scx200_acb.c
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@ -217,8 +217,10 @@ static void scx200_acb_machine(struct scx200_acb_iface *iface, u8 status)
return;
error:
dev_err(&iface->adapter.dev, "%s in state %s\n", errmsg,
scx200_acb_state_name[iface->state]);
dev_err(&iface->adapter.dev,
"%s in state %s (addr=0x%02x, len=%d, status=0x%02x)\n", errmsg,
scx200_acb_state_name[iface->state], iface->address_byte,
iface->len, status);
iface->state = state_idle;
iface->result = -EIO;