Re: [PATCH] arm: mach-dove: Mark dove_io_desc as __maybe_unused

From: Gregory CLEMENT
Date: Fri Mar 13 2020 - 16:45:17 EST


Vincenzo Frascino <vincenzo.frascino@xxxxxxx> writes:

> Without this, we get the warnings below when CONFIG_MMU is disabled:
>
> linux/arch/arm/mach-dove/common.c:51:24: warning: âdove_io_descâ defined
> but not used [-Wunused-variable]
> static struct map_desc dove_io_desc[] __initdata = {
> ^~~~~~~~~~~~
>
> Cc: Jason Cooper <jason@xxxxxxxxxxxxxx>
> Cc: Andrew Lunn <andrew@xxxxxxx>
> Cc: Sebastian Hesselbarth <sebastian.hesselbarth@xxxxxxxxx>
> Cc: Gregory Clement <gregory.clement@xxxxxxxxxxx>
> Cc: Russell King <linux@xxxxxxxxxxxxxxx>
> Signed-off-by: Vincenzo Frascino <vincenzo.frascino@xxxxxxx>

Applied on mvebu/arm

Thanks,

Gregory
> ---
> arch/arm/mach-dove/common.c | 2 +-
> 1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/arch/arm/mach-dove/common.c b/arch/arm/mach-dove/common.c
> index 01b830afcea9..dbe970e37895 100644
> --- a/arch/arm/mach-dove/common.c
> +++ b/arch/arm/mach-dove/common.c
> @@ -48,7 +48,7 @@
> /*****************************************************************************
> * I/O Address Mapping
> ****************************************************************************/
> -static struct map_desc dove_io_desc[] __initdata = {
> +static struct map_desc __maybe_unused dove_io_desc[] __initdata = {
> {
> .virtual = (unsigned long) DOVE_SB_REGS_VIRT_BASE,
> .pfn = __phys_to_pfn(DOVE_SB_REGS_PHYS_BASE),
> --
> 2.25.1
>

--
Gregory Clement, Bootlin
Embedded Linux and Kernel engineering
http://bootlin.com