selftests/powerpc: Skip tm-resched-dscr if we don't have TM

Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>

tools/testing/selftests/powerpc/tm/Makefile

@@ -2,9 +2,9 @@ TEST_PROGS := tm-resched-dscr tm-syscall
 
 all: $(TEST_PROGS)
 
-$(TEST_PROGS): ../harness.c
+$(TEST_PROGS): ../harness.c ../utils.c
 
-tm-syscall: tm-syscall-asm.S ../utils.c
+tm-syscall: tm-syscall-asm.S
 tm-syscall: CFLAGS += -mhtm -I../../../../../usr/include
 
 include ../../lib.mk

tools/testing/selftests/powerpc/tm/tm-resched-dscr.c

@@ -29,6 +29,7 @@
 #include <asm/tm.h>
 
 #include "utils.h"
+#include "tm.h"
 
 #define TBEGIN          ".long 0x7C00051D ;"
 #define TEND            ".long 0x7C00055D ;"
@@ -42,6 +43,8 @@ int test_body(void)
 {
 	uint64_t rv, dscr1 = 1, dscr2, texasr;
 
+	SKIP_IF(!have_htm());
+
 	printf("Check DSCR TM context switch: ");
 	fflush(stdout);
 	for (;;) {