From mboxrd@z Thu Jan 1 00:00:00 1970 Return-path: Received: from co1ehsobe006.messaging.microsoft.com ([216.32.180.189]:15308 "EHLO co1outboundpool.messaging.microsoft.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1755419Ab3CEKig (ORCPT ); Tue, 5 Mar 2013 05:38:36 -0500 From: Scott Jiang To: Marek Szyprowski , CC: Scott Jiang Subject: [PATCH] [media] dma-mapping: enable no mmu support in dma_common_mmap Date: Tue, 5 Mar 2013 18:40:11 -0500 Message-ID: <1362526811-15768-1-git-send-email-scott.jiang.linux@gmail.com> MIME-Version: 1.0 Content-Type: text/plain Sender: linux-media-owner@vger.kernel.org List-ID: No MMU systems also make use of this function to do mmap. Signed-off-by: Scott Jiang --- drivers/base/dma-mapping.c | 2 -- 1 files changed, 0 insertions(+), 2 deletions(-) diff --git a/drivers/base/dma-mapping.c b/drivers/base/dma-mapping.c index 0ce39a3..ae655b2 100644 --- a/drivers/base/dma-mapping.c +++ b/drivers/base/dma-mapping.c @@ -245,7 +245,6 @@ int dma_common_mmap(struct device *dev, struct vm_area_struct *vma, void *cpu_addr, dma_addr_t dma_addr, size_t size) { int ret = -ENXIO; -#ifdef CONFIG_MMU unsigned long user_count = (vma->vm_end - vma->vm_start) >> PAGE_SHIFT; unsigned long count = PAGE_ALIGN(size) >> PAGE_SHIFT; unsigned long pfn = page_to_pfn(virt_to_page(cpu_addr)); @@ -262,7 +261,6 @@ int dma_common_mmap(struct device *dev, struct vm_area_struct *vma, user_count << PAGE_SHIFT, vma->vm_page_prot); } -#endif /* CONFIG_MMU */ return ret; } -- 1.7.0.4