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authorCyril Chemparathy <cyril@ti.com>2012-07-16 15:37:06 -0400
committerWill Deacon <will.deacon@arm.com>2013-05-30 16:02:03 +0100
commit13f659b0f363114282679d06094337c5efa12fa8 (patch)
treee178af55e00678576f74730168055738d33ac89a /arch/arm/include
parentde22cc6e33449d8d6fb339619e32138ea4fcc2a4 (diff)
downloadop-kernel-dev-13f659b0f363114282679d06094337c5efa12fa8.zip
op-kernel-dev-13f659b0f363114282679d06094337c5efa12fa8.tar.gz
ARM: LPAE: use phys_addr_t in switch_mm()
This patch modifies the switch_mm() processor functions to use phys_addr_t. On LPAE systems, we now honor the upper 32-bits of the physical address that is being passed in, and program these into TTBR as expected. Signed-off-by: Cyril Chemparathy <cyril@ti.com> Signed-off-by: Vitaly Andrianov <vitalya@ti.com> Reviewed-by: Nicolas Pitre <nico@linaro.org> Tested-by: Santosh Shilimkar <santosh.shilimkar@ti.com> Tested-by: Subash Patel <subash.rp@samsung.com> [will: fixed up conflict in 3-level switch_mm with big-endian changes] Signed-off-by: Will Deacon <will.deacon@arm.com>
Diffstat (limited to 'arch/arm/include')
-rw-r--r--arch/arm/include/asm/proc-fns.h4
1 files changed, 2 insertions, 2 deletions
diff --git a/arch/arm/include/asm/proc-fns.h b/arch/arm/include/asm/proc-fns.h
index f3628fb..75b5f14 100644
--- a/arch/arm/include/asm/proc-fns.h
+++ b/arch/arm/include/asm/proc-fns.h
@@ -60,7 +60,7 @@ extern struct processor {
/*
* Set the page table
*/
- void (*switch_mm)(unsigned long pgd_phys, struct mm_struct *mm);
+ void (*switch_mm)(phys_addr_t pgd_phys, struct mm_struct *mm);
/*
* Set a possibly extended PTE. Non-extended PTEs should
* ignore 'ext'.
@@ -82,7 +82,7 @@ extern void cpu_proc_init(void);
extern void cpu_proc_fin(void);
extern int cpu_do_idle(void);
extern void cpu_dcache_clean_area(void *, int);
-extern void cpu_do_switch_mm(unsigned long pgd_phys, struct mm_struct *mm);
+extern void cpu_do_switch_mm(phys_addr_t pgd_phys, struct mm_struct *mm);
#ifdef CONFIG_ARM_LPAE
extern void cpu_set_pte_ext(pte_t *ptep, pte_t pte);
#else
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