1 files changed, 14 insertions, 27 deletions

diff --git a/arch/arm64/include/asm/arch_timer.h b/arch/arm64/include/asm/arch_timer.h
index fbe0ca31a99c..7ff386c15539 100644
--- a/arch/arm64/include/asm/arch_timer.h
+++ b/arch/arm64/include/asm/arch_timer.h
@@ -20,6 +20,7 @@
 #define __ASM_ARCH_TIMER_H
 
 #include <asm/barrier.h>
+#include <asm/sysreg.h>
 
 #include <linux/bug.h>
 #include <linux/init.h>
@@ -38,19 +39,19 @@ void arch_timer_reg_write_cp15(int access, enum arch_timer_reg reg, u32 val)
 	if (access == ARCH_TIMER_PHYS_ACCESS) {
 		switch (reg) {
 		case ARCH_TIMER_REG_CTRL:
-			asm volatile("msr cntp_ctl_el0,  %0" : : "r" (val));
+			write_sysreg(val, cntp_ctl_el0);
 			break;
 		case ARCH_TIMER_REG_TVAL:
-			asm volatile("msr cntp_tval_el0, %0" : : "r" (val));
+			write_sysreg(val, cntp_tval_el0);
 			break;
 		}
 	} else if (access == ARCH_TIMER_VIRT_ACCESS) {
 		switch (reg) {
 		case ARCH_TIMER_REG_CTRL:
-			asm volatile("msr cntv_ctl_el0,  %0" : : "r" (val));
+			write_sysreg(val, cntv_ctl_el0);
 			break;
 		case ARCH_TIMER_REG_TVAL:
-			asm volatile("msr cntv_tval_el0, %0" : : "r" (val));
+			write_sysreg(val, cntv_tval_el0);
 			break;
 		}
 	}
@@ -61,48 +62,38 @@ void arch_timer_reg_write_cp15(int access, enum arch_timer_reg reg, u32 val)
 static __always_inline
 u32 arch_timer_reg_read_cp15(int access, enum arch_timer_reg reg)
 {
-	u32 val;
-
 	if (access == ARCH_TIMER_PHYS_ACCESS) {
 		switch (reg) {
 		case ARCH_TIMER_REG_CTRL:
-			asm volatile("mrs %0,  cntp_ctl_el0" : "=r" (val));
-			break;
+			return read_sysreg(cntp_ctl_el0);
 		case ARCH_TIMER_REG_TVAL:
-			asm volatile("mrs %0, cntp_tval_el0" : "=r" (val));
-			break;
+			return read_sysreg(cntp_tval_el0);
 		}
 	} else if (access == ARCH_TIMER_VIRT_ACCESS) {
 		switch (reg) {
 		case ARCH_TIMER_REG_CTRL:
-			asm volatile("mrs %0,  cntv_ctl_el0" : "=r" (val));
-			break;
+			return read_sysreg(cntv_ctl_el0);
 		case ARCH_TIMER_REG_TVAL:
-			asm volatile("mrs %0, cntv_tval_el0" : "=r" (val));
-			break;
+			return read_sysreg(cntv_tval_el0);
 		}
 	}
 
-	return val;
+	BUG();
 }
 
 static inline u32 arch_timer_get_cntfrq(void)
 {
-	u32 val;
-	asm volatile("mrs %0,   cntfrq_el0" : "=r" (val));
-	return val;
+	return read_sysreg(cntfrq_el0);
 }
 
 static inline u32 arch_timer_get_cntkctl(void)
 {
-	u32 cntkctl;
-	asm volatile("mrs	%0, cntkctl_el1" : "=r" (cntkctl));
-	return cntkctl;
+	return read_sysreg(cntkctl_el1);
 }
 
 static inline void arch_timer_set_cntkctl(u32 cntkctl)
 {
-	asm volatile("msr	cntkctl_el1, %0" : : "r" (cntkctl));
+	write_sysreg(cntkctl, cntkctl_el1);
 }
 
 static inline u64 arch_counter_get_cntpct(void)
@@ -116,12 +107,8 @@ static inline u64 arch_counter_get_cntpct(void)
 
 static inline u64 arch_counter_get_cntvct(void)
 {
-	u64 cval;
-
 	isb();
-	asm volatile("mrs %0, cntvct_el0" : "=r" (cval));
-
-	return cval;
+	return read_sysreg(cntvct_el0);
 }
 
 static inline int arch_timer_arch_init(void)