diff options
Diffstat (limited to 'arch/arm64/kernel/debug-monitors.c')
| -rw-r--r-- | arch/arm64/kernel/debug-monitors.c | 10 |
1 files changed, 6 insertions, 4 deletions
diff --git a/arch/arm64/kernel/debug-monitors.c b/arch/arm64/kernel/debug-monitors.c index 253021ef2769..8aee3aeec3e6 100644 --- a/arch/arm64/kernel/debug-monitors.c +++ b/arch/arm64/kernel/debug-monitors.c @@ -26,14 +26,16 @@ #include <linux/stat.h> #include <linux/uaccess.h> -#include <asm/debug-monitors.h> +#include <asm/cpufeature.h> #include <asm/cputype.h> +#include <asm/debug-monitors.h> #include <asm/system_misc.h> /* Determine debug architecture. */ u8 debug_monitors_arch(void) { - return read_cpuid(ID_AA64DFR0_EL1) & 0xf; + return cpuid_feature_extract_field(read_system_reg(SYS_ID_AA64DFR0_EL1), + ID_AA64DFR0_DEBUGVER_SHIFT); } /* @@ -58,7 +60,7 @@ static u32 mdscr_read(void) * Allow root to disable self-hosted debug from userspace. * This is useful if you want to connect an external JTAG debugger. */ -static u32 debug_enabled = 1; +static bool debug_enabled = true; static int create_debug_debugfs_entry(void) { @@ -69,7 +71,7 @@ fs_initcall(create_debug_debugfs_entry); static int __init early_debug_disable(char *buf) { - debug_enabled = 0; + debug_enabled = false; return 0; } |