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>

1 files changed, 12 insertions, 7 deletions

diff --git a/drivers/i2c/busses/i2c-pca-platform.c b/drivers/i2c/busses/i2c-pca-platform.c
index df5e593a1d7..7b23891b7d5 100644
--- a/drivers/i2c/busses/i2c-pca-platform.c
+++ b/drivers/i2c/busses/i2c-pca-platform.c
@@ -177,10 +177,20 @@ static int __devinit i2c_pca_pf_probe(struct platform_device *pdev)
                  (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 @@ static int __devinit i2c_pca_pf_probe(struct platform_device *pdev)
                 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);