From: Geliang Tang Date: Sat, 22 Apr 2017 01:18:05 +0000 (+0800) Subject: dma-debug: use offset_in_page() macro X-Git-Url: https://git.stricted.de/?a=commitdiff_plain;h=e57d05520f9c89cf7616fc8c65dafb1ceb7a4c63;p=GitHub%2Fmoto-9609%2Fandroid_kernel_motorola_exynos9610.git dma-debug: use offset_in_page() macro Use offset_in_page() macro instead of open-coding. Signed-off-by: Geliang Tang Signed-off-by: Vinod Koul --- diff --git a/lib/dma-debug.c b/lib/dma-debug.c index b157b46cc9a6..cd5a5a426ef1 100644 --- a/lib/dma-debug.c +++ b/lib/dma-debug.c @@ -1502,7 +1502,7 @@ void debug_dma_alloc_coherent(struct device *dev, size_t size, entry->type = dma_debug_coherent; entry->dev = dev; entry->pfn = page_to_pfn(virt_to_page(virt)); - entry->offset = (size_t) virt & ~PAGE_MASK; + entry->offset = offset_in_page(virt); entry->size = size; entry->dev_addr = dma_addr; entry->direction = DMA_BIDIRECTIONAL; @@ -1518,7 +1518,7 @@ void debug_dma_free_coherent(struct device *dev, size_t size, .type = dma_debug_coherent, .dev = dev, .pfn = page_to_pfn(virt_to_page(virt)), - .offset = (size_t) virt & ~PAGE_MASK, + .offset = offset_in_page(virt), .dev_addr = addr, .size = size, .direction = DMA_BIDIRECTIONAL,