From: Zhaoxiu Zeng <zhaoxiu.zeng@gmail.com>
To: kyungmin.park@samsung.com, s.nawrocki@samsung.com,
mchehab@osg.samsung.com, kgene@kernel.org,
k.kozlowski@samsung.com, linux-media@vger.kernel.org,
linux-arm-kernel@lists.infradead.org,
linux-samsung-soc@vger.kernel.org
Cc: linux-kernel@vger.kernel.org, Zeng Zhaoxiu <zhaoxiu.zeng@gmail.com>
Subject: [PATCH 05/10] exynos4-is: Replace "hweight32(mask) == 1" with "is_power_of_2(mask)"
Date: Sun, 6 Dec 2015 18:44:29 +0800 [thread overview]
Message-ID: <1449398669-14507-1-git-send-email-zhaoxiu.zeng@gmail.com> (raw)
From: Zeng Zhaoxiu <zhaoxiu.zeng@gmail.com>
Signed-off-by: Zeng Zhaoxiu <zhaoxiu.zeng@gmail.com>
---
drivers/media/platform/exynos4-is/fimc-is-regs.c | 3 ++-
1 file changed, 2 insertions(+), 1 deletion(-)
diff --git a/drivers/media/platform/exynos4-is/fimc-is-regs.c b/drivers/media/platform/exynos4-is/fimc-is-regs.c
index cfe4406..ec75a24 100644
--- a/drivers/media/platform/exynos4-is/fimc-is-regs.c
+++ b/drivers/media/platform/exynos4-is/fimc-is-regs.c
@@ -11,6 +11,7 @@
* published by the Free Software Foundation.
*/
#include <linux/delay.h>
+#include <linux/log2.h>
#include "fimc-is.h"
#include "fimc-is-command.h"
@@ -107,7 +108,7 @@ int fimc_is_hw_get_params(struct fimc_is *is, unsigned int num_args)
void fimc_is_hw_set_isp_buf_mask(struct fimc_is *is, unsigned int mask)
{
- if (hweight32(mask) == 1) {
+ if (is_power_of_2(mask)) {
dev_err(&is->pdev->dev, "%s(): not enough buffers (mask %#x)\n",
__func__, mask);
return;
--
2.5.0
next reply other threads:[~2015-12-06 10:46 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2015-12-06 10:44 Zhaoxiu Zeng [this message]
2016-03-11 16:28 ` Sylwester Nawrocki
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