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firmware: altera-serial: simplify handling of optional gpio 

Signed-off-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
This commit is contained in:
Uwe Kleine-König 2016-09-26 11:11:37 +02:00 committed by Sascha Hauer
parent eb2b96d68a
commit a1e19c94d1
1 changed files with 5 additions and 7 deletions
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12
drivers/firmware/altera_serial.c
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@ -221,15 +221,13 @@ static int altera_spi_of(struct device_d *dev, struct fpga_spi *this)
int ret;
name = "nstat-gpios";
if (!of_get_property(n, name, NULL)) {
this->nstat_gpio = of_get_named_gpio(n, name, 0);
if (this->nstat_gpio == -ENOENT) {
dev_info(dev, "nstat-gpio is not specified, assuming it is not connected\n");
this->nstat_gpio = -1;
} else {
this->nstat_gpio = of_get_named_gpio(n, name, 0);
if (this->nstat_gpio < 0) {
ret = this->nstat_gpio;
goto out;
}
} else if (this->nstat_gpio < 0) {
ret = this->nstat_gpio;
goto out;
}
name = "confd-gpios";