On NOMMU kernels, the io_desc variables are unused
because we don't use the MMU to remap the MMIO
areas.
Marking these variables as __maybe_unused easily
avoids the otherwise harmless warnings like
warning: 'versatile_io_desc' defined but not used
Signed-off-by: Arnd Bergmann <a...@arndb.de>
Cc: Linus Walleij <linus.wall...@linaro.org>
Cc: Russell King <li...@arm.linux.org.uk>
---
arch/arm/mach-integrator/integrator_ap.c | 2 +-
arch/arm/mach-integrator/integrator_cp.c | 2 +-
arch/arm/mach-versatile/core.c | 2 +-
3 files changed, 3 insertions(+), 3 deletions(-)
diff --git a/arch/arm/mach-integrator/integrator_ap.c
b/arch/arm/mach-integrator/integrator_ap.c
index 11e2a41..11b1d21 100644
--- a/arch/arm/mach-integrator/integrator_ap.c
+++ b/arch/arm/mach-integrator/integrator_ap.c
@@ -94,7 +94,7 @@ void __iomem *ap_syscon_base;
* f1b00000 1b000000 GPIO
*/
-static struct map_desc ap_io_desc[] __initdata = {
+static struct map_desc ap_io_desc[] __initdata __maybe_unused = {
{
.virtual = IO_ADDRESS(INTEGRATOR_HDR_BASE),
.pfn = __phys_to_pfn(INTEGRATOR_HDR_BASE),
diff --git a/arch/arm/mach-integrator/integrator_cp.c
b/arch/arm/mach-integrator/integrator_cp.c
index 7322838..01a888d 100644
--- a/arch/arm/mach-integrator/integrator_cp.c
+++ b/arch/arm/mach-integrator/integrator_cp.c
@@ -78,7 +78,7 @@ static void __iomem *intcp_con_base;
* fcb00000 cb000000 CP system control
*/
-static struct map_desc intcp_io_desc[] __initdata = {
+static struct map_desc intcp_io_desc[] __initdata __maybe_unused = {
{
.virtual = IO_ADDRESS(INTEGRATOR_HDR_BASE),
.pfn = __phys_to_pfn(INTEGRATOR_HDR_BASE),
diff --git a/arch/arm/mach-versatile/core.c b/arch/arm/mach-versatile/core.c
index 5d59294..60c092c 100644
--- a/arch/arm/mach-versatile/core.c
+++ b/arch/arm/mach-versatile/core.c
@@ -114,7 +114,7 @@ void __init versatile_init_irq(void)
writel(PIC_MASK, VA_SIC_BASE + SIC_INT_PIC_ENABLE);
}
-static struct map_desc versatile_io_desc[] __initdata = {
+static struct map_desc versatile_io_desc[] __initdata __maybe_unused = {
{
.virtual = IO_ADDRESS(VERSATILE_SYS_BASE),
.pfn = __phys_to_pfn(VERSATILE_SYS_BASE),
--
1.8.1.2
--
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