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Diffstat (limited to 'arch')
-rw-r--r--arch/arm/include/asm/arch_timer.h12
-rw-r--r--arch/arm64/include/asm/arch_timer.h13
2 files changed, 24 insertions, 1 deletions
diff --git a/arch/arm/include/asm/arch_timer.h b/arch/arm/include/asm/arch_timer.h
index 99175812d903..a5d27cff28fa 100644
--- a/arch/arm/include/asm/arch_timer.h
+++ b/arch/arm/include/asm/arch_timer.h
@@ -34,6 +34,8 @@ void arch_timer_reg_write_cp15(int access, enum arch_timer_reg reg, u32 val)
case ARCH_TIMER_REG_TVAL:
asm volatile("mcr p15, 0, %0, c14, c2, 0" : : "r" (val));
break;
+ default:
+ BUILD_BUG();
}
} else if (access == ARCH_TIMER_VIRT_ACCESS) {
switch (reg) {
@@ -43,7 +45,11 @@ void arch_timer_reg_write_cp15(int access, enum arch_timer_reg reg, u32 val)
case ARCH_TIMER_REG_TVAL:
asm volatile("mcr p15, 0, %0, c14, c3, 0" : : "r" (val));
break;
+ default:
+ BUILD_BUG();
}
+ } else {
+ BUILD_BUG();
}
isb();
@@ -62,6 +68,8 @@ u32 arch_timer_reg_read_cp15(int access, enum arch_timer_reg reg)
case ARCH_TIMER_REG_TVAL:
asm volatile("mrc p15, 0, %0, c14, c2, 0" : "=r" (val));
break;
+ default:
+ BUILD_BUG();
}
} else if (access == ARCH_TIMER_VIRT_ACCESS) {
switch (reg) {
@@ -71,7 +79,11 @@ u32 arch_timer_reg_read_cp15(int access, enum arch_timer_reg reg)
case ARCH_TIMER_REG_TVAL:
asm volatile("mrc p15, 0, %0, c14, c3, 0" : "=r" (val));
break;
+ default:
+ BUILD_BUG();
}
+ } else {
+ BUILD_BUG();
}
return val;
diff --git a/arch/arm64/include/asm/arch_timer.h b/arch/arm64/include/asm/arch_timer.h
index 88d20f04c64a..fa12ea4a9812 100644
--- a/arch/arm64/include/asm/arch_timer.h
+++ b/arch/arm64/include/asm/arch_timer.h
@@ -112,6 +112,8 @@ void arch_timer_reg_write_cp15(int access, enum arch_timer_reg reg, u32 val)
case ARCH_TIMER_REG_TVAL:
write_sysreg(val, cntp_tval_el0);
break;
+ default:
+ BUILD_BUG();
}
} else if (access == ARCH_TIMER_VIRT_ACCESS) {
switch (reg) {
@@ -121,7 +123,11 @@ void arch_timer_reg_write_cp15(int access, enum arch_timer_reg reg, u32 val)
case ARCH_TIMER_REG_TVAL:
write_sysreg(val, cntv_tval_el0);
break;
+ default:
+ BUILD_BUG();
}
+ } else {
+ BUILD_BUG();
}
isb();
@@ -136,6 +142,8 @@ u32 arch_timer_reg_read_cp15(int access, enum arch_timer_reg reg)
return read_sysreg(cntp_ctl_el0);
case ARCH_TIMER_REG_TVAL:
return arch_timer_reg_read_stable(cntp_tval_el0);
+ default:
+ BUILD_BUG();
}
} else if (access == ARCH_TIMER_VIRT_ACCESS) {
switch (reg) {
@@ -143,10 +151,13 @@ u32 arch_timer_reg_read_cp15(int access, enum arch_timer_reg reg)
return read_sysreg(cntv_ctl_el0);
case ARCH_TIMER_REG_TVAL:
return arch_timer_reg_read_stable(cntv_tval_el0);
+ default:
+ BUILD_BUG();
}
}
- BUG();
+ BUILD_BUG();
+ unreachable();
}
static inline u32 arch_timer_get_cntfrq(void)