[PATCH 5/7] powerpc/setup: cleanup ifdef mess in check_cache_coherency()

From: Christophe Leroy
Date: Fri Mar 22 2019 - 04:08:50 EST


Use IS_ENABLED() instead of #ifdefs

Signed-off-by: Christophe Leroy <christophe.leroy@xxxxxx>
---
arch/powerpc/kernel/setup-common.c | 10 +++-------
1 file changed, 3 insertions(+), 7 deletions(-)

diff --git a/arch/powerpc/kernel/setup-common.c b/arch/powerpc/kernel/setup-common.c
index fa90585760c0..95d545e94c28 100644
--- a/arch/powerpc/kernel/setup-common.c
+++ b/arch/powerpc/kernel/setup-common.c
@@ -734,23 +734,19 @@ void __init setup_panic(void)
* BUG() in that case.
*/

-#ifdef CONFIG_NOT_COHERENT_CACHE
-#define KERNEL_COHERENCY 0
-#else
-#define KERNEL_COHERENCY 1
-#endif
+#define KERNEL_COHERENCY (!IS_ENABLED(CONFIG_NOT_COHERENT_CACHE))

static int __init check_cache_coherency(void)
{
struct device_node *np;
const void *prop;
- int devtree_coherency;
+ bool devtree_coherency;

np = of_find_node_by_path("/");
prop = of_get_property(np, "coherency-off", NULL);
of_node_put(np);

- devtree_coherency = prop ? 0 : 1;
+ devtree_coherency = prop ? false : true;

if (devtree_coherency != KERNEL_COHERENCY) {
printk(KERN_ERR
--
2.13.3