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powerpc/setup: cleanup ifdef mess in check_cache_coherency()

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Use IS_ENABLED() instead of #ifdefs

Signed-off-by: Christophe Leroy <christophe.leroy@c-s.fr>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
This commit is contained in:
Christophe Leroy
2019-03-22 08:08:43 +00:00
committed by Michael Ellerman
parent e9e9b25a4c
commit b5064efee2
1 changed files with 3 additions and 7 deletions
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10
arch/powerpc/kernel/setup-common.c
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@@ -737,23 +737,19 @@ void __init setup_panic(void)
* BUG() in that case. * BUG() in that case.
*/ */
#ifdef CONFIG_NOT_COHERENT_CACHE #define KERNEL_COHERENCY (!IS_ENABLED(CONFIG_NOT_COHERENT_CACHE))
#define KERNEL_COHERENCY 0
#else
#define KERNEL_COHERENCY 1
#endif
static int __init check_cache_coherency(void) static int __init check_cache_coherency(void)
{ {
struct device_node *np; struct device_node *np;
const void *prop; const void *prop;
int devtree_coherency; bool devtree_coherency;
np = of_find_node_by_path("/"); np = of_find_node_by_path("/");
prop = of_get_property(np, "coherency-off", NULL); prop = of_get_property(np, "coherency-off", NULL);
of_node_put(np); of_node_put(np);
devtree_coherency = prop ? 0 : 1; devtree_coherency = prop ? false : true;
if (devtree_coherency != KERNEL_COHERENCY) { if (devtree_coherency != KERNEL_COHERENCY) {
printk(KERN_ERR printk(KERN_ERR