diff mbox series

powerpc/mpic: Use bitmap_zalloc() when applicable

Message ID aa145f674e08044c98f13f1a985faa9cc29c3708.1639777976.git.christophe.jaillet@wanadoo.fr (mailing list archive)
State Accepted
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Series powerpc/mpic: Use bitmap_zalloc() when applicable | expand

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Commit Message

Christophe JAILLET Dec. 17, 2021, 9:54 p.m. UTC 
'mpic->protected' is a bitmap. So use 'bitmap_zalloc()' to simplify
code and improve the semantic, instead of hand writing it.

Signed-off-by: Christophe JAILLET <christophe.jaillet@wanadoo.fr>
---
 arch/powerpc/sysdev/mpic.c | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

Comments

Michael Ellerman Dec. 26, 2021, 9:52 p.m. UTC | #1 
On Fri, 17 Dec 2021 22:54:12 +0100, Christophe JAILLET wrote:
> 'mpic->protected' is a bitmap. So use 'bitmap_zalloc()' to simplify
> code and improve the semantic, instead of hand writing it.
> 
> 

Applied to powerpc/next.

[1/1] powerpc/mpic: Use bitmap_zalloc() when applicable
      https://git.kernel.org/powerpc/c/2fe4ca6ad7f6a0b98f97c498320051e5066e4b95

cheers
diff mbox series

Patch

diff --git a/arch/powerpc/sysdev/mpic.c b/arch/powerpc/sysdev/mpic.c
index 995fb2ada507..626ba4a9f64f 100644
--- a/arch/powerpc/sysdev/mpic.c
+++ b/arch/powerpc/sysdev/mpic.c
@@ -1323,8 +1323,7 @@  struct mpic * __init mpic_alloc(struct device_node *node,
 	psrc = of_get_property(mpic->node, "protected-sources", &psize);
 	if (psrc) {
 		/* Allocate a bitmap with one bit per interrupt */
-		unsigned int mapsize = BITS_TO_LONGS(intvec_top + 1);
-		mpic->protected = kcalloc(mapsize, sizeof(long), GFP_KERNEL);
+		mpic->protected = bitmap_zalloc(intvec_top + 1, GFP_KERNEL);
 		BUG_ON(mpic->protected == NULL);
 		for (i = 0; i < psize/sizeof(u32); i++) {
 			if (psrc[i] > intvec_top)