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NFC: nxp-nci_i2c: use flags argument of devm_gpiod_get_index 

Since 39b2bbe3d7 (gpio: add flags argument to gpiod_get*() functions)
which appeared in v3.17-rc1, the gpiod_get* functions take an additional
parameter that allows to specify direction and initial value for output.

Simplify driver accordingly which even makes error checking more correct
because gpiod_direction_{in,out}put might fail. Furthermore this is one
caller less that stops us making the flags argument to gpiod_get*()
mandatory.

Acked-by: Oleg Zhurakivskyy <oleg.zhurakivskyy@intel.com>
Signed-off-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
This commit is contained in:
Uwe Kleine-König 2015-06-12 09:04:55 +02:00
parent a33c380ef5
commit 3bfe76806f
1 changed files with 3 additions and 7 deletions
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10
drivers/nfc/nxp-nci/i2c.c
View File

@ -318,19 +318,15 @@ static int nxp_nci_i2c_acpi_config(struct nxp_nci_i2c_phy *phy)
struct i2c_client *client = phy->i2c_dev;
struct gpio_desc *gpiod_en, *gpiod_fw, *gpiod_irq;
gpiod_en = devm_gpiod_get_index(&client->dev, NULL, 2);
gpiod_fw = devm_gpiod_get_index(&client->dev, NULL, 1);
gpiod_irq = devm_gpiod_get_index(&client->dev, NULL, 0);
gpiod_en = devm_gpiod_get_index(&client->dev, NULL, 2, GPIOD_OUT_LOW);
gpiod_fw = devm_gpiod_get_index(&client->dev, NULL, 1, GPIOD_OUT_LOW);
gpiod_irq = devm_gpiod_get_index(&client->dev, NULL, 0, GPIOD_IN);
if (IS_ERR(gpiod_en) || IS_ERR(gpiod_fw) || IS_ERR(gpiod_irq)) {
nfc_err(&client->dev, "No GPIOs\n");
return -EINVAL;
}
gpiod_direction_output(gpiod_en, 0);
gpiod_direction_output(gpiod_fw, 0);
gpiod_direction_input(gpiod_irq);
client->irq = gpiod_to_irq(gpiod_irq);
if (client->irq < 0) {
nfc_err(&client->dev, "No IRQ\n");