Commit 3b8d8ccc authored by Raag Jadav's avatar Raag Jadav Committed by Bartosz Golaszewski
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gpio: tangier: calculate number of ctx using temporary variable 



Utilize a temporary variable to calculate number of ctx from ngpio
inside ->probe() implementation.
While at it, include math.h for using DIV_ROUND_UP().

Signed-off-by: default avatarRaag Jadav <raag.jadav@intel.com>
Signed-off-by: default avatarBartosz Golaszewski <bartosz.golaszewski@linaro.org>
parent b41cabb7

drivers/gpio/gpio-tangier.c

+3 −1
Original line number Diff line number Diff line
@@ -16,6 +16,7 @@ 
#include <linux/interrupt.h>

#include <linux/io.h>

#include <linux/irq.h>

#include <linux/math.h>

#include <linux/module.h>

#include <linux/pinctrl/pinconf-generic.h>

#include <linux/spinlock.h>
@@ -428,10 +429,11 @@ static int tng_gpio_add_pin_ranges(struct gpio_chip *chip) 
int devm_tng_gpio_probe(struct device *dev, struct tng_gpio *gpio)

{

	const struct tng_gpio_info *info = &gpio->info;

	size_t nctx = DIV_ROUND_UP(info->ngpio, 32);

	struct gpio_irq_chip *girq;

	int ret;



	gpio->ctx = devm_kcalloc(dev, DIV_ROUND_UP(info->ngpio, 32), sizeof(*gpio->ctx), GFP_KERNEL);

	gpio->ctx = devm_kcalloc(dev, nctx, sizeof(*gpio->ctx), GFP_KERNEL);

	if (!gpio->ctx)

		return -ENOMEM;