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authorMaarten Lankhorst <maarten.lankhorst@linux.intel.com>2024-05-28 23:21:34 +0300
committerMaarten Lankhorst <maarten.lankhorst@linux.intel.com>2024-05-28 23:21:34 +0300
commitf73a058be5d70dd81a43f16b2bbff4b1576a7af8 (patch)
treeb7959c01cf7a5d95c7c4d5b61929ff9123370322 /arch/arm/include/asm/proc-fns.h
parent6cb05d89fd62a76a9b74bd16211fb0930e89fea8 (diff)
parent3e049b6b8f32f25c6967f4cffd8eac6e1e5316f6 (diff)
downloadlinux-f73a058be5d70dd81a43f16b2bbff4b1576a7af8.tar.xz
Merge remote-tracking branch 'drm/drm-fixes' into drm-misc-fixes
v6.10-rc1 is released, forward from v6.9 Signed-off-by: Maarten Lankhorst <maarten.lankhorst@linux.intel.com>
Diffstat (limited to 'arch/arm/include/asm/proc-fns.h')
-rw-r--r--arch/arm/include/asm/proc-fns.h12
1 files changed, 12 insertions, 0 deletions
diff --git a/arch/arm/include/asm/proc-fns.h b/arch/arm/include/asm/proc-fns.h
index 280396483f5d..b4986a23d852 100644
--- a/arch/arm/include/asm/proc-fns.h
+++ b/arch/arm/include/asm/proc-fns.h
@@ -178,6 +178,18 @@ extern void cpu_resume(void);
})
#endif
+static inline unsigned int cpu_get_ttbcr(void)
+{
+ unsigned int ttbcr;
+ asm("mrc p15, 0, %0, c2, c0, 2" : "=r" (ttbcr));
+ return ttbcr;
+}
+
+static inline void cpu_set_ttbcr(unsigned int ttbcr)
+{
+ asm volatile("mcr p15, 0, %0, c2, c0, 2" : : "r" (ttbcr) : "memory");
+}
+
#else /*!CONFIG_MMU */
#define cpu_switch_mm(pgd,mm) { }