From mboxrd@z Thu Jan 1 00:00:00 1970 From: ludovic.barre@st.com (Ludovic BARRE) Date: Tue, 5 Jun 2018 13:59:49 +0200 Subject: [PATCH] irqchip/stm32: fix non-SMP build warning In-Reply-To: <20180605114347.1347128-1-arnd@arndb.de> References: <20180605114347.1347128-1-arnd@arndb.de> Message-ID: <1db5308c-7f53-112f-97dc-160ec2747887@st.com> To: linux-arm-kernel@lists.infradead.org List-Id: linux-arm-kernel.lists.infradead.org On 06/05/2018 01:43 PM, Arnd Bergmann wrote: > Without CONFIG_SMP, we get a harmless compile-time warning: > > drivers/irqchip/irq-stm32-exti.c:495:12: error: 'stm32_exti_h_set_affinity' defined but not used [-Werror=unused-function] > > The #ifdef is inconsistent here, and it's better to use an IS_ENABLED() check > that lets the compiler silently drop that function. > > Fixes: 927abfc4461e ("irqchip/stm32: Add stm32mp1 support with hierarchy domain") > Signed-off-by: Arnd Bergmann > --- > drivers/irqchip/irq-stm32-exti.c | 4 +--- > 1 file changed, 1 insertion(+), 3 deletions(-) > > diff --git a/drivers/irqchip/irq-stm32-exti.c b/drivers/irqchip/irq-stm32-exti.c > index 5089c1e2838d..3a7e8905a97e 100644 > --- a/drivers/irqchip/irq-stm32-exti.c > +++ b/drivers/irqchip/irq-stm32-exti.c > @@ -552,9 +552,7 @@ static struct irq_chip stm32_exti_h_chip = { > .irq_set_type = stm32_exti_h_set_type, > .irq_set_wake = stm32_exti_h_set_wake, > .flags = IRQCHIP_MASK_ON_SUSPEND, > -#ifdef CONFIG_SMP > - .irq_set_affinity = stm32_exti_h_set_affinity, > -#endif > + .irq_set_affinity = IS_ENABLED(CONFIG_SMP) ? stm32_exti_h_set_affinity : NULL, thanks Arnd, sorry to forgotten config flag test Reviewed-by: Ludovic Barre > }; > > static int stm32_exti_h_domain_alloc(struct irq_domain *dm, >