summaryrefslogtreecommitdiff
path: root/drivers/i2c/algos/i2c-algo-bit.c
diff options
context:
space:
mode:
authorJean Delvare <jdelvare@suse.de>2011-10-30 16:47:25 +0400
committerJean Delvare <khali@endymion.delvare>2011-10-30 16:47:25 +0400
commitf6beb67d8e77454200acc3755344944bd946cded (patch)
treec62f448caba0faf186bd3076970c19ffef39de1a /drivers/i2c/algos/i2c-algo-bit.c
parent1bddab7f7d5b61f17b0bbd669f60818d553620be (diff)
downloadlinux-f6beb67d8e77454200acc3755344944bd946cded.tar.xz
i2c-algo-bit: Be verbose on bus testing failure
If bus testing fails due to the bus being seen as busy, it might be helpful for developers to know which line is unexpectedly low. Signed-off-by: Jean Delvare <jdelvare@suse.de> Reviewed-by: Alex Deucher <alexdeucher@gmail.com>
Diffstat (limited to 'drivers/i2c/algos/i2c-algo-bit.c')
-rw-r--r--drivers/i2c/algos/i2c-algo-bit.c4
1 files changed, 3 insertions, 1 deletions
diff --git a/drivers/i2c/algos/i2c-algo-bit.c b/drivers/i2c/algos/i2c-algo-bit.c
index 66bebfc81c22..c20530a98ca3 100644
--- a/drivers/i2c/algos/i2c-algo-bit.c
+++ b/drivers/i2c/algos/i2c-algo-bit.c
@@ -250,7 +250,9 @@ static int test_bus(struct i2c_adapter *i2c_adap)
sda = getsda(adap);
scl = (adap->getscl == NULL) ? 1 : getscl(adap);
if (!scl || !sda) {
- printk(KERN_WARNING "%s: bus seems to be busy\n", name);
+ printk(KERN_WARNING
+ "%s: bus seems to be busy (scl=%d, sda=%d)\n",
+ name, scl, sda);
goto bailout;
}