arm: mach-dove: Mark dove_io_desc as __maybe_unused

Without this, we get the warnings below when CONFIG_MMU is disabled:

linux/arch/arm/mach-dove/common.c:51:24: warning: ‘dove_io_desc’ defined
but not used [-Wunused-variable]
static struct map_desc dove_io_desc[] __initdata = {
                       ^~~~~~~~~~~~

Cc: Jason Cooper <jason@lakedaemon.net>
Cc: Andrew Lunn <andrew@lunn.ch>
Cc: Sebastian Hesselbarth <sebastian.hesselbarth@gmail.com>
Cc: Gregory Clement <gregory.clement@bootlin.com>
Cc: Russell King <linux@armlinux.org.uk>
Signed-off-by: Vincenzo Frascino <vincenzo.frascino@arm.com>
Signed-off-by: Gregory CLEMENT <gregory.clement@bootlin.com>

diff --git a/arch/arm/mach-dove/common.c b/arch/arm/mach-dove/common.c
index 01b830afcea9fac644134dd99c7c00e8125df7ae..dbe970e3789535b1f6969693c33bc4407e4190db 100644 (file)
--- 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),