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Date: Wed, 23 Mar 2016 09:40:10 +0800 From: Yaowei Bai <baiyaowei@...s.chinamobile.com> To: tglx@...utronix.de, mingo@...nel.org, hpa@...or.com Cc: x86@...nel.org, linux-kernel@...r.kernel.org, baiyaowei@...s.chinamobile.com Subject: [PATCH 2/2] x86/dma: is_device_dma_capable can be boolean This patch makes is_device_dma_capable return bool to improve readability due to this particular function only using either one or zero as its return value. No functional change. Signed-off-by: Yaowei Bai <baiyaowei@...s.chinamobile.com> --- include/linux/dma-mapping.h | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/include/linux/dma-mapping.h b/include/linux/dma-mapping.h index 5e45cf9..175c20f 100644 --- a/include/linux/dma-mapping.h +++ b/include/linux/dma-mapping.h @@ -81,7 +81,7 @@ static inline int valid_dma_direction(int dma_direction) (dma_direction == DMA_FROM_DEVICE)); } -static inline int is_device_dma_capable(struct device *dev) +static inline bool is_device_dma_capable(struct device *dev) { return dev->dma_mask != NULL && *dev->dma_mask != DMA_MASK_NONE; } -- 1.9.1
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