i2c-pxa.c: timeouts off by 1

With `while (timeout--)' timeout reaches -1 after the loop, so the tests
below are off by one.

Signed-off-by: Roel Kluin <roel.kluin@gmail.com>
Acked-by: Wolfram Sang <w.sang@pengutronix.de>
Signed-off-by: Ben Dooks <ben-linux@fluff.org>

diff --git a/drivers/i2c/busses/i2c-pxa.c b/drivers/i2c/busses/i2c-pxa.c
index c1405c8f6ba5645a163519a5d5cbbd7ac2021f6a..acc7143d96550b1e7880f5f03e13f828271546fa 100644 (file)
--- a/drivers/i2c/busses/i2c-pxa.c
+++ b/drivers/i2c/busses/i2c-pxa.c
@@ -265,10 +265,10 @@ static int i2c_pxa_wait_bus_not_busy(struct pxa_i2c *i2c)
                show_state(i2c);
        }
 
-       if (timeout <= 0)
+       if (timeout < 0)
                show_state(i2c);
 
-       return timeout <= 0 ? I2C_RETRY : 0;
+       return timeout < 0 ? I2C_RETRY : 0;
 }
 
 static int i2c_pxa_wait_master(struct pxa_i2c *i2c)
@@ -612,7 +612,7 @@ static int i2c_pxa_pio_set_master(struct pxa_i2c *i2c)
                show_state(i2c);
        }
 
-       if (timeout <= 0) {
+       if (timeout < 0) {
                show_state(i2c);
                dev_err(&i2c->adap.dev,
                        "i2c_pxa: timeout waiting for bus free\n");