leds: pca9532: Assign gpio base dynamically

When using devicetree, gpio_base holds its initial zero value which can
lead to a rejection if another gpio controller already occupies this
base. To prevent that collision let the gpio base be assigned dynamically.

Signed-off-by: Stefan Riedmueller <s.riedmueller@phytec.de>
Signed-off-by: Pavel Machek <pavel@ucw.cz>

diff --git a/drivers/leds/leds-pca9532.c b/drivers/leds/leds-pca9532.c
index 27d027165472502658f52e0ea890449a9180d9e1..017794bb87ae460fa899053542c7e0993942559a 100644 (file)
--- a/drivers/leds/leds-pca9532.c
+++ b/drivers/leds/leds-pca9532.c
@@ -480,6 +480,8 @@ pca9532_of_populate_pdata(struct device *dev, struct device_node *np)
        if (!pdata)
                return ERR_PTR(-ENOMEM);
 
+       pdata->gpio_base = -1;
+
        of_property_read_u8_array(np, "nxp,pwm", &pdata->pwm[0],
                                  ARRAY_SIZE(pdata->pwm));
        of_property_read_u8_array(np, "nxp,psc", &pdata->psc[0],