Message ID | 1450794693-24019-1-git-send-email-linus.walleij@linaro.org |
---|---|
State | Accepted |
Commit | b9164f049339006fafe8a52396e0f1997552214a |
Headers | show |
diff --git a/drivers/pinctrl/qcom/pinctrl-ssbi-mpp.c b/drivers/pinctrl/qcom/pinctrl-ssbi-mpp.c index 8f5c96cbf94e..23089d541230 100644 --- a/drivers/pinctrl/qcom/pinctrl-ssbi-mpp.c +++ b/drivers/pinctrl/qcom/pinctrl-ssbi-mpp.c @@ -502,13 +502,13 @@ static int pm8xxx_mpp_get(struct gpio_chip *chip, unsigned offset) int ret; if (!pin->input) - return pin->output_value; + return !!pin->output_value; ret = irq_get_irqchip_state(pin->irq, IRQCHIP_STATE_LINE_LEVEL, &state); if (!ret) - ret = !!state; + ret = state; - return ret; + return !!ret; } static void pm8xxx_mpp_set(struct gpio_chip *chip, unsigned offset, int 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. This code was also double-inverting a bool which makes no sense so I removed that code and moved clamping toward the end. Cc: Björn Andersson <bjorn.andersson@sonymobile.com> Signed-off-by: Linus Walleij <linus.walleij@linaro.org> --- drivers/pinctrl/qcom/pinctrl-ssbi-mpp.c | 6 +++--- 1 file changed, 3 insertions(+), 3 deletions(-) -- 2.4.3 -- To unsubscribe from this list: send the line "unsubscribe linux-gpio" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html