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authorMaxime Ripard <maxime.ripard@free-electrons.com>2012-09-07 14:18:12 +0200
committerLinus Walleij <linus.walleij@linaro.org>2012-09-07 23:04:02 +0200
commit061505fd396c89b358a1b7a655565b2bb05b2fdc (patch)
tree4ce397e69828750b490523e7fb059e3b363d4f5d /drivers/gpio/gpio-74x164.c
parent72eac3020de35a2c3fd0d39a26399989a0a9392e (diff)
downloadop-kernel-dev-061505fd396c89b358a1b7a655565b2bb05b2fdc.zip
op-kernel-dev-061505fd396c89b358a1b7a655565b2bb05b2fdc.tar.gz
gpio: 74x164: Use dynamic gpio number assignment if no pdata is present
Signed-off-by: Maxime Ripard <maxime.ripard@free-electrons.com> Acked-by: Florian Fainelli <florian@openwrt.org> Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Diffstat (limited to 'drivers/gpio/gpio-74x164.c')
-rw-r--r--drivers/gpio/gpio-74x164.c13
1 files changed, 6 insertions, 7 deletions
diff --git a/drivers/gpio/gpio-74x164.c b/drivers/gpio/gpio-74x164.c
index 604b998..ef8baac 100644
--- a/drivers/gpio/gpio-74x164.c
+++ b/drivers/gpio/gpio-74x164.c
@@ -75,12 +75,6 @@ static int __devinit gen_74x164_probe(struct spi_device *spi)
struct gen_74x164_chip_platform_data *pdata;
int ret;
- pdata = spi->dev.platform_data;
- if (!pdata || !pdata->base) {
- dev_dbg(&spi->dev, "incorrect or missing platform data\n");
- return -EINVAL;
- }
-
/*
* bits_per_word cannot be configured in platform data
*/
@@ -94,6 +88,12 @@ static int __devinit gen_74x164_probe(struct spi_device *spi)
if (!chip)
return -ENOMEM;
+ pdata = spi->dev.platform_data;
+ if (pdata && pdata->base)
+ chip->gpio_chip.base = pdata->base;
+ else
+ chip->gpio_chip.base = -1;
+
mutex_init(&chip->lock);
dev_set_drvdata(&spi->dev, chip);
@@ -104,7 +104,6 @@ static int __devinit gen_74x164_probe(struct spi_device *spi)
chip->gpio_chip.direction_output = gen_74x164_direction_output;
chip->gpio_chip.get = gen_74x164_get_value;
chip->gpio_chip.set = gen_74x164_set_value;
- chip->gpio_chip.base = pdata->base;
chip->gpio_chip.ngpio = 8;
chip->gpio_chip.can_sleep = 1;
chip->gpio_chip.dev = &spi->dev;
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