i2c: octeon: Increase retry default and use fixed timeout value
authorJan Glauber <jglauber@cavium.com>
Mon, 11 Apr 2016 15:28:32 +0000 (17:28 +0200)
committerWolfram Sang <wsa@the-dreams.de>
Wed, 13 Apr 2016 08:30:46 +0000 (10:30 +0200)
Convert the adapter timeout to 2 ms independently of depending on CONFIG_HZ.
CONFIG_HZ is 100 for MIPS Cavium-Octeon so the timeout value is not changed.

Also set retries to 5 to improve robustness.

Signed-off-by: Jan Glauber <jglauber@cavium.com>
Signed-off-by: Wolfram Sang <wsa@the-dreams.de>
drivers/i2c/busses/i2c-octeon.c

index 46fb6c42934f227ebf5151d37e3f23c0ee10ee10..c4abf16468ca94847ba104c1e521a7fef2c9df4b 100644 (file)
@@ -426,7 +426,6 @@ static struct i2c_adapter octeon_i2c_ops = {
        .owner = THIS_MODULE,
        .name = "OCTEON adapter",
        .algo = &octeon_i2c_algo,
-       .timeout = HZ / 50,
 };
 
 /* calculate and set clock divisors */
@@ -553,6 +552,8 @@ static int octeon_i2c_probe(struct platform_device *pdev)
        octeon_i2c_set_clock(i2c);
 
        i2c->adap = octeon_i2c_ops;
+       i2c->adap.timeout = msecs_to_jiffies(2);
+       i2c->adap.retries = 5;
        i2c->adap.dev.parent = &pdev->dev;
        i2c->adap.dev.of_node = node;
        i2c_set_adapdata(&i2c->adap, i2c);