diff mbox

ARM: pxa: remove unnecessary pxa3xx io mapping

Message ID 1404477794-14927-1-git-send-email-haojian.zhuang@linaro.org (mailing list archive)
State New, archived
Headers show

Commit Message

Haojian Zhuang July 4, 2014, 12:43 p.m. UTC 
[    0.000000] BUG: mapping for 0x00000000 at 0xff000000 out of vmalloc
space

UNCACHED PHYS io mapping is redundant of PXA3xx (PXA930). So remove it
from pxa3xx/pxa93x series.

Signed-off-by: Haojian Zhuang <haojian.zhuang@linaro.org>
---
 arch/arm/mach-pxa/generic.c | 8 +++++++-
 1 file changed, 7 insertions(+), 1 deletion(-)
diff mbox

Patch

diff --git a/arch/arm/mach-pxa/generic.c b/arch/arm/mach-pxa/generic.c
index 94f49c2..b52f8f2 100644
--- a/arch/arm/mach-pxa/generic.c
+++ b/arch/arm/mach-pxa/generic.c
@@ -83,7 +83,11 @@  static struct map_desc common_io_desc[] __initdata = {
 		.pfn		= __phys_to_pfn(0x40000000),
 		.length		= 0x02000000,
 		.type		= MT_DEVICE
-	}, {	/* UNCACHED_PHYS_0 */
+	}
+};
+
+static struct map_desc pxa2xx_io_desc[] __initdata = {
+	{	/* UNCACHED_PHYS_0 */
 		.virtual	= 0xff000000,
 		.pfn		= __phys_to_pfn(0x00000000),
 		.length		= 0x00100000,
@@ -95,4 +99,6 @@  void __init pxa_map_io(void)
 {
 	debug_ll_io_init();
 	iotable_init(ARRAY_AND_SIZE(common_io_desc));
+	if (cpu_is_pxa2xx())
+		iotable_init(ARRAY_AND_SIZE(pxa2xx_io_desc));
 }