From mboxrd@z Thu Jan 1 00:00:00 1970 From: maxime.ripard@free-electrons.com (Maxime Ripard) Date: Fri, 7 Sep 2012 14:18:12 +0200 Subject: [PATCH 3/7] gpio: 74x164: Use dynamic gpio number assignment if no pdata is present In-Reply-To: <1347020296-18796-1-git-send-email-maxime.ripard@free-electrons.com> References: <1347020296-18796-1-git-send-email-maxime.ripard@free-electrons.com> Message-ID: <1347020296-18796-4-git-send-email-maxime.ripard@free-electrons.com> To: linux-arm-kernel@lists.infradead.org List-Id: linux-arm-kernel.lists.infradead.org Signed-off-by: Maxime Ripard --- drivers/gpio/gpio-74x164.c | 13 ++++++------- 1 file 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; -- 1.7.9.5