ARM: pxa: Move UNCACHED_PHYS_0 mapping from generic.c to pxa2[57]x.c

The UNCACHED_PHYS_0 mapping is only needed on PXA25x and PXA27x
platforms. Move it to pxa25x.c and pxa27x.c to avoid wasting vmalloc
space on PXA3xx.

Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Acked-by: Nicolas Pitre <nico@linaro.org>
Signed-off-by: Olof Johansson <olof@lixom.net>

3 files changed, 10 insertions, 5 deletions

diff --git a/arch/arm/mach-pxa/generic.c b/arch/arm/mach-pxa/generic.c
index 68a75fe16020..b31e101cad9b 100644
--- a/arch/arm/mach-pxa/generic.c
+++ b/arch/arm/mach-pxa/generic.c
@@ -83,11 +83,6 @@ static struct map_desc common_io_desc[] __initdata = {
                 .pfn            = __phys_to_pfn(PERIPH_PHYS),
                 .length         = PERIPH_SIZE,
                 .type           = MT_DEVICE
-        }, {    /* UNCACHED_PHYS_0 */
-                .virtual        = UNCACHED_PHYS_0,
-                .pfn            = __phys_to_pfn(0x00000000),
-                .length         = UNCACHED_PHYS_0_SIZE,
-                .type           = MT_DEVICE
         }
 };
 
diff --git a/arch/arm/mach-pxa/pxa25x.c b/arch/arm/mach-pxa/pxa25x.c
index 926c506f99bc..66e4a2b6316e 100644
--- a/arch/arm/mach-pxa/pxa25x.c
+++ b/arch/arm/mach-pxa/pxa25x.c
@@ -333,6 +333,11 @@ static struct map_desc pxa25x_io_desc[] __initdata = {
                 .pfn            = __phys_to_pfn(PXA2XX_SMEMC_BASE),
                 .length         = SMEMC_SIZE,
                 .type           = MT_DEVICE
+        }, {    /* UNCACHED_PHYS_0 */
+                .virtual        = UNCACHED_PHYS_0,
+                .pfn            = __phys_to_pfn(0x00000000),
+                .length         = UNCACHED_PHYS_0_SIZE,
+                .type           = MT_DEVICE
         },
 };
 
diff --git a/arch/arm/mach-pxa/pxa27x.c b/arch/arm/mach-pxa/pxa27x.c
index 440564458767..6cc0f4656d10 100644
--- a/arch/arm/mach-pxa/pxa27x.c
+++ b/arch/arm/mach-pxa/pxa27x.c
@@ -409,6 +409,11 @@ static struct map_desc pxa27x_io_desc[] __initdata = {
                 .pfn            = __phys_to_pfn(IMEMC_PHYS),
                 .length         = IMEMC_SIZE,
                 .type           = MT_DEVICE
+        }, {    /* UNCACHED_PHYS_0 */
+                .virtual        = UNCACHED_PHYS_0,
+                .pfn            = __phys_to_pfn(0x00000000),
+                .length         = UNCACHED_PHYS_0_SIZE,
+                .type           = MT_DEVICE
         },
 };