[PATCH] [RESEND] irqchip: armada: suppress unused-function warning
Andrew Lunn
andrew at lunn.ch
Fri Mar 22 06:14:24 PDT 2024
On Fri, Mar 22, 2024 at 01:58:25PM +0100, Arnd Bergmann wrote:
> From: Arnd Bergmann <arnd at arndb.de>
>
> armada_370_xp_msi_reenable_percpu is only defined when CONFIG_PCI_MSI
> is enabled, and only called when SMP is enabled.
>
> Without CONFIG_SMP, there are no callers, so we get a build time
> warning instead:
>
> drivers/irqchip/irq-armada-370-xp.c:319:13: error: 'armada_370_xp_msi_reenable_percpu' defined but not used [-Werror=unused-function]
> 319 | static void armada_370_xp_msi_reenable_percpu(void) {}
> | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
>
> Mark the function as __maybe_unused to avoid adding more complexity
> to the #ifdefs.
>
> Fixes: 8ca61cde32c1 ("irqchip/armada-370-xp: Enable MSI affinity configuration")
> Link: https://lore.kernel.org/lkml/20221215170202.2441960-1-arnd@kernel.org/
> Signed-off-by: Arnd Bergmann <arnd at arndb.de>
Reviewed-by: Andrew Lunn <andrew at lunn.ch>
Andrew
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