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);
 }