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gpio: mvebu: use platform_irq_count

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platform_irq_count() is the more generic way (independent of
device trees) to determine the count of available interrupts. So
use this instead.

As platform_irq_count() might return an error code (which
of_irq_count doesn't) some additional handling is necessary.

Reviewed-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
Signed-off-by: Peng Fan <peng.fan@nxp.com>
Signed-off-by: Bartosz Golaszewski <bgolaszewski@baylibre.com>
This commit is contained in:
Peng Fan 2019-12-04 09:24:35 +00:00 committed by Bartosz Golaszewski
parent 725c1cb698
commit 0c21639f5a
1 changed files with 5 additions and 2 deletions
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7
drivers/gpio/gpio-mvebu.c
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@ -46,7 +46,6 @@
#include <linux/irqdomain.h>
#include <linux/mfd/syscon.h>
#include <linux/of_device.h>
#include <linux/of_irq.h>
#include <linux/pinctrl/consumer.h>
#include <linux/platform_device.h>
#include <linux/pwm.h>
@ -1102,7 +1101,11 @@ static int mvebu_gpio_probe(struct platform_device *pdev)
soc_variant = MVEBU_GPIO_SOC_VARIANT_ORION;
/* Some gpio controllers do not provide irq support */
have_irqs = of_irq_count(np) != 0;
err = platform_irq_count(pdev);
if (err < 0)
return err;
have_irqs = err != 0;
mvchip = devm_kzalloc(&pdev->dev, sizeof(struct mvebu_gpio_chip),
GFP_KERNEL);