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authorArnd Bergmann <arnd@arndb.de>2012-01-09 16:16:29 +0000
committerArnd Bergmann <arnd@arndb.de>2012-01-09 16:16:29 +0000
commitdcf7ec5ee62a78123057a1e286c88ca739717409 (patch)
treefa3f19434638a942ba66d236dde4d9aaadf8b370 /arch/arm/include/asm/proc-fns.h
parent15db3e823c3246e3bd31fe454f5c8927eb85caf2 (diff)
parent142f2101a86ade2d6c9dfbedf82e1b5b31c8fce6 (diff)
downloadtalos-op-linux-dcf7ec5ee62a78123057a1e286c88ca739717409.tar.gz
talos-op-linux-dcf7ec5ee62a78123057a1e286c88ca739717409.zip
Merge branch 'samsung/driver' into next/drivers
Conflicts: arch/arm/mach-mxs/include/mach/common.h Pull in previous samsung conflict merges and do a trivial merge of an mxs double-add conflict. Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Diffstat (limited to 'arch/arm/include/asm/proc-fns.h')
-rw-r--r--arch/arm/include/asm/proc-fns.h21
1 files changed, 21 insertions, 0 deletions
diff --git a/arch/arm/include/asm/proc-fns.h b/arch/arm/include/asm/proc-fns.h
index 9e92cb205e65..f3628fb3d2b3 100644
--- a/arch/arm/include/asm/proc-fns.h
+++ b/arch/arm/include/asm/proc-fns.h
@@ -65,7 +65,11 @@ extern struct processor {
* Set a possibly extended PTE. Non-extended PTEs should
* ignore 'ext'.
*/
+#ifdef CONFIG_ARM_LPAE
+ void (*set_pte_ext)(pte_t *ptep, pte_t pte);
+#else
void (*set_pte_ext)(pte_t *ptep, pte_t pte, unsigned int ext);
+#endif
/* Suspend/resume */
unsigned int suspend_size;
@@ -79,7 +83,11 @@ 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);
+#ifdef CONFIG_ARM_LPAE
+extern void cpu_set_pte_ext(pte_t *ptep, pte_t pte);
+#else
extern void cpu_set_pte_ext(pte_t *ptep, pte_t pte, unsigned int ext);
+#endif
extern void cpu_reset(unsigned long addr) __attribute__((noreturn));
/* These three are private to arch/arm/kernel/suspend.c */
@@ -107,6 +115,18 @@ extern void cpu_resume(void);
#define cpu_switch_mm(pgd,mm) cpu_do_switch_mm(virt_to_phys(pgd),mm)
+#ifdef CONFIG_ARM_LPAE
+#define cpu_get_pgd() \
+ ({ \
+ unsigned long pg, pg2; \
+ __asm__("mrrc p15, 0, %0, %1, c2" \
+ : "=r" (pg), "=r" (pg2) \
+ : \
+ : "cc"); \
+ pg &= ~(PTRS_PER_PGD*sizeof(pgd_t)-1); \
+ (pgd_t *)phys_to_virt(pg); \
+ })
+#else
#define cpu_get_pgd() \
({ \
unsigned long pg; \
@@ -115,6 +135,7 @@ extern void cpu_resume(void);
pg &= ~0x3fff; \
(pgd_t *)phys_to_virt(pg); \
})
+#endif
#endif
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