i2c-pca-platform: Use defaults if no platform_data given
Signed-off-by: Wolfram Sang <w.sang@pengutronix.de>
Signed-off-by: Jean Delvare <khali@linux-fr.org>
diff --git a/drivers/i2c/busses/i2c-pca-platform.c b/drivers/i2c/busses/i2c-pca-platform.c
index df5e593..7b23891 100644
--- a/drivers/i2c/busses/i2c-pca-platform.c
+++ b/drivers/i2c/busses/i2c-pca-platform.c
@@ -177,10 +177,20 @@
(unsigned long) res->start);
i2c->adap.algo_data = &i2c->algo_data;
i2c->adap.dev.parent = &pdev->dev;
- i2c->adap.timeout = platform_data->timeout;
- i2c->algo_data.i2c_clock = platform_data->i2c_clock_speed;
+ if (platform_data) {
+ i2c->adap.timeout = platform_data->timeout;
+ i2c->algo_data.i2c_clock = platform_data->i2c_clock_speed;
+ i2c->gpio = platform_data->gpio;
+ } else {
+ i2c->adap.timeout = HZ;
+ i2c->algo_data.i2c_clock = 59000;
+ i2c->gpio = -1;
+ }
+
i2c->algo_data.data = i2c;
+ i2c->algo_data.wait_for_completion = i2c_pca_pf_waitforcompletion;
+ i2c->algo_data.reset_chip = i2c_pca_pf_dummyreset;
switch (res->flags & IORESOURCE_MEM_TYPE_MASK) {
case IORESOURCE_MEM_32BIT:
@@ -198,11 +208,6 @@
break;
}
- i2c->algo_data.wait_for_completion = i2c_pca_pf_waitforcompletion;
-
- i2c->gpio = platform_data->gpio;
- i2c->algo_data.reset_chip = i2c_pca_pf_dummyreset;
-
/* Use gpio_is_valid() when in mainline */
if (i2c->gpio > -1) {
ret = gpio_request(i2c->gpio, i2c->adap.name);