Commit fe0b4867 authored Dec 22, 2015 by Linus Walleij Committed by Lee Jones Jan 14, 2016

mfd: dm355evm_mps: Be sure to clamp return value



As we want gpio_chip .get() calls to be able to return negative
error codes and propagate to drivers, we need to go over all
drivers and make sure their return values are clamped to [0,1].
We do this by using the ret = !!(val) design pattern.

Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Lee Jones <lee.jones@linaro.org>

parent f7d62366

drivers/mfd/dm355evm_msp.c

+1 −1

Original line number	Diff line number	Diff line
		@@ -147,7 +147,7 @@ static int msp_gpio_get(struct gpio_chip *chip, unsigned offset)
		return status;
		if (reg == DM355EVM_MSP_LED)
		msp_led_cache = status;
		return status & MSP_GPIO_MASK(offset);
		return !!(status & MSP_GPIO_MASK(offset));
		}

		static int msp_gpio_out(struct gpio_chip *chip, unsigned offset, int value)

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