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authorLinus Torvalds <torvalds@linux-foundation.org>2009-04-21 08:16:14 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2009-04-21 08:16:14 -0700
commit81ca98036985559c49480007371af94aa6e85dc0 (patch)
tree1d4f400a40b573d1405ccd0a7d869e9859a30408 /arch
parent9a41fe3415bbef2c0c08ac232dc3a17add0dee58 (diff)
parent4db25d496c09fdf094d52d11a90ae51f9ee473c6 (diff)
Merge branch 'sh/for-2.6.30' of git://git.kernel.org/pub/scm/linux/kernel/git/lethal/sh-2.6
* 'sh/for-2.6.30' of git://git.kernel.org/pub/scm/linux/kernel/git/lethal/sh-2.6: sh: Fix mmap2 for handling differing PAGE_SIZEs. sh: sh7723: Don't default enable the RTC clock. sh: sh7722: Don't default enable the RTC clock. rtc: rtc-sh: clock framework support.
Diffstat (limited to 'arch')
-rw-r--r--arch/sh/kernel/cpu/sh4a/setup-sh7722.c1
-rw-r--r--arch/sh/kernel/cpu/sh4a/setup-sh7723.c1
-rw-r--r--arch/sh/kernel/sys_sh.c9
3 files changed, 9 insertions, 2 deletions
diff --git a/arch/sh/kernel/cpu/sh4a/setup-sh7722.c b/arch/sh/kernel/cpu/sh4a/setup-sh7722.c
index 0e5d204bc792..406747f07dc0 100644
--- a/arch/sh/kernel/cpu/sh4a/setup-sh7722.c
+++ b/arch/sh/kernel/cpu/sh4a/setup-sh7722.c
@@ -256,7 +256,6 @@ static int __init sh7722_devices_setup(void)
{
clk_always_enable("uram0"); /* URAM */
clk_always_enable("xymem0"); /* XYMEM */
- clk_always_enable("rtc0"); /* RTC */
clk_always_enable("veu0"); /* VEU */
clk_always_enable("vpu0"); /* VPU */
clk_always_enable("jpu0"); /* JPU */
diff --git a/arch/sh/kernel/cpu/sh4a/setup-sh7723.c b/arch/sh/kernel/cpu/sh4a/setup-sh7723.c
index 5338dacbcfba..a800466b938c 100644
--- a/arch/sh/kernel/cpu/sh4a/setup-sh7723.c
+++ b/arch/sh/kernel/cpu/sh4a/setup-sh7723.c
@@ -267,7 +267,6 @@ static struct platform_device *sh7723_devices[] __initdata = {
static int __init sh7723_devices_setup(void)
{
clk_always_enable("meram0"); /* MERAM */
- clk_always_enable("rtc0"); /* RTC */
clk_always_enable("veu1"); /* VEU2H1 */
clk_always_enable("veu0"); /* VEU2H0 */
clk_always_enable("vpu0"); /* VPU */
diff --git a/arch/sh/kernel/sys_sh.c b/arch/sh/kernel/sys_sh.c
index 58dfc02c7af1..e3a7e36639ef 100644
--- a/arch/sh/kernel/sys_sh.c
+++ b/arch/sh/kernel/sys_sh.c
@@ -63,6 +63,15 @@ asmlinkage long sys_mmap2(unsigned long addr, unsigned long len,
unsigned long prot, unsigned long flags,
unsigned long fd, unsigned long pgoff)
{
+ /*
+ * The shift for mmap2 is constant, regardless of PAGE_SIZE
+ * setting.
+ */
+ if (pgoff & ((1 << (PAGE_SHIFT - 12)) - 1))
+ return -EINVAL;
+
+ pgoff >>= PAGE_SHIFT - 12;
+
return do_mmap2(addr, len, prot, flags, fd, pgoff);
}