i2c-algo-pca: Rework waiting for a free bus

Waiting for a free bus now accepts the timeout value in jiffies and does
proper checking using time_before.

Signed-off-by: Wolfram Sang <w.sang@pengutronix.de>
Signed-off-by: Jean Delvare <khali@linux-fr.org>

1 files changed, 1 insertions, 1 deletions

diff --git a/drivers/i2c/busses/i2c-pca-isa.c b/drivers/i2c/busses/i2c-pca-isa.c
index 0cc8017b3f64..b9403fdfb6d8 100644
--- a/drivers/i2c/busses/i2c-pca-isa.c
+++ b/drivers/i2c/busses/i2c-pca-isa.c
@@ -104,7 +104,7 @@ static struct i2c_adapter pca_isa_ops = {
         .owner          = THIS_MODULE,
         .algo_data      = &pca_isa_data,
         .name           = "PCA9564/PCA9665 ISA Adapter",
-        .timeout        = 100,
+        .timeout        = HZ,
 };
 
 static int __devinit pca_isa_match(struct device *dev, unsigned int id)