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| author | Willy Tarreau <wtarreau@exceliance.fr> | 2009-09-18 22:45:47 +0200 |
|---|---|---|
| committer | Jean Delvare <khali@linux-fr.org> | 2009-09-18 22:45:47 +0200 |
| commit | fce96f3e5d34b0e3195f9d1bf2b3c7e3841e90ff (patch) | |
| tree | 14dea67c557461c45d42b4ef200c2e0f81b5004e /drivers/i2c | |
| parent | 2bb5095affdb8d6e8646a5b8b5a35c1d6a28c3e7 (diff) | |
| download | linux-3.10-fce96f3e5d34b0e3195f9d1bf2b3c7e3841e90ff.tar.gz linux-3.10-fce96f3e5d34b0e3195f9d1bf2b3c7e3841e90ff.tar.bz2 linux-3.10-fce96f3e5d34b0e3195f9d1bf2b3c7e3841e90ff.zip | |
i2c/scx200_acb: Provide more information on bus errors
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>
Diffstat (limited to 'drivers/i2c')
| -rw-r--r-- | drivers/i2c/busses/scx200_acb.c | 6 |
1 files changed, 4 insertions, 2 deletions
diff --git a/drivers/i2c/busses/scx200_acb.c b/drivers/i2c/busses/scx200_acb.c index 648ecc6f60e..cf994bd01d9 100644 --- a/drivers/i2c/busses/scx200_acb.c +++ b/drivers/i2c/busses/scx200_acb.c @@ -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; |