From cfdca14c44a79b9c9c491235a39b9fc1e520820b Mon Sep 17 00:00:00 2001 From: Peng Fan Date: Wed, 4 Dec 2019 09:24:39 +0000 Subject: [PATCH] gpio: bcm-kona: use platform_irq_count 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. Signed-off-by: Peng Fan Signed-off-by: Bartosz Golaszewski --- drivers/gpio/gpio-bcm-kona.c | 12 +++++++++--- 1 file changed, 9 insertions(+), 3 deletions(-) diff --git a/drivers/gpio/gpio-bcm-kona.c b/drivers/gpio/gpio-bcm-kona.c index 4122683eb1f9..baee8c3f06ad 100644 --- a/drivers/gpio/gpio-bcm-kona.c +++ b/drivers/gpio/gpio-bcm-kona.c @@ -19,7 +19,6 @@ #include #include #include -#include #include #include #include @@ -586,11 +585,18 @@ static int bcm_kona_gpio_probe(struct platform_device *pdev) kona_gpio->gpio_chip = template_chip; chip = &kona_gpio->gpio_chip; - kona_gpio->num_bank = of_irq_count(dev->of_node); - if (kona_gpio->num_bank == 0) { + ret = platform_irq_count(pdev); + if (!ret) { dev_err(dev, "Couldn't determine # GPIO banks\n"); return -ENOENT; + } else if (ret < 0) { + if (ret != -EPROBE_DEFER) + dev_err(dev, "Couldn't determine GPIO banks: (%pe)\n", + ERR_PTR(ret)); + return ret; } + kona_gpio->num_bank = ret; + if (kona_gpio->num_bank > GPIO_MAX_BANK_NUM) { dev_err(dev, "Too many GPIO banks configured (max=%d)\n", GPIO_MAX_BANK_NUM); -- 2.11.0