ARM: 6358/1: hw-breakpoint: add HAVE_HW_BREAKPOINT to Kconfig

If we're targetting a v6 or v7 core and have at least software perf events
available, then automatically add support for hardware breakpoints.

Cc: Frederic Weisbecker <fweisbec@gmail.com>
Cc: S. Karthikeyan <informkarthik@gmail.com>
Signed-off-by: Will Deacon <will.deacon@arm.com>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>

diff --git a/arch/arm/Kconfig b/arch/arm/Kconfig
index 16bc8eb4901c9335b32a774082e9bc1cc77bb8b9..0fdd099d4a677550b9fa860920eb172c75ca48a8 100644 (file)
--- a/arch/arm/Kconfig
+++ b/arch/arm/Kconfig
@@ -26,6 +26,7 @@ config ARM
        select HAVE_PERF_EVENTS
        select PERF_USE_VMALLOC
        select HAVE_REGS_AND_STACK_ACCESS_API
+       select HAVE_HW_BREAKPOINT if (PERF_EVENTS && (CPU_V6 || CPU_V7))
        help
          The ARM series is a line of low-power-consumption RISC chip designs
          licensed by ARM Ltd and targeted at embedded applications and

diff --git a/arch/arm/kernel/Makefile b/arch/arm/kernel/Makefile
index 980b78e31328156925f361cf5f6a2deac14c1500..5b9b268f4fbb368ecc34942c6bebed1c421beaca 100644 (file)
--- a/arch/arm/kernel/Makefile
+++ b/arch/arm/kernel/Makefile
@@ -42,6 +42,7 @@ obj-$(CONFIG_KGDB)            += kgdb.o
 obj-$(CONFIG_ARM_UNWIND)       += unwind.o
 obj-$(CONFIG_HAVE_TCM)         += tcm.o
 obj-$(CONFIG_CRASH_DUMP)       += crash_dump.o
+obj-$(CONFIG_HAVE_HW_BREAKPOINT)       += hw_breakpoint.o
 
 obj-$(CONFIG_CRUNCH)           += crunch.o crunch-bits.o
 AFLAGS_crunch-bits.o           := -Wa,-mcpu=ep9312