ARM: 7948/1: hw_breakpoint: Add ARMv8 support

[firefly-linux-kernel-4.4.55.git] / arch / arm / kernel / hw_breakpoint.c

diff --git a/arch/arm/kernel/hw_breakpoint.c b/arch/arm/kernel/hw_breakpoint.c
index 3d446605cbf84b89890bdf5bb2398a64a8401120..9da35c6d3411007f76a2eb9e31c5cf836397472a 100644 (file)
--- a/arch/arm/kernel/hw_breakpoint.c
+++ b/arch/arm/kernel/hw_breakpoint.c
@@ -167,7 +167,7 @@ static int debug_arch_supported(void)
 /* Can we determine the watchpoint access type from the fsr? */
 static int debug_exception_updates_fsr(void)
 {
-       return 0;
+       return get_debug_arch() >= ARM_DEBUG_ARCH_V8;
 }
 
 /* Determine number of WRP registers available. */
@@ -257,6 +257,7 @@ static int enable_monitor_mode(void)
                break;
        case ARM_DEBUG_ARCH_V7_ECP14:
        case ARM_DEBUG_ARCH_V7_1:
+       case ARM_DEBUG_ARCH_V8:
                ARM_DBG_WRITE(c0, c2, 2, (dscr | ARM_DSCR_MDBGEN));
                isb();
                break;