From patchwork Fri Jul 10 01:04:51 2009 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: FUJITA Tomonori X-Patchwork-Id: 29653 Return-Path: X-Original-To: patchwork-incoming@bilbo.ozlabs.org Delivered-To: patchwork-incoming@bilbo.ozlabs.org Received: from ozlabs.org (ozlabs.org [203.10.76.45]) (using TLSv1 with cipher DHE-RSA-AES256-SHA (256/256 bits)) (Client CN "mx.ozlabs.org", Issuer "CA Cert Signing Authority" (verified OK)) by bilbo.ozlabs.org (Postfix) with ESMTPS id A11B1B7091 for ; Fri, 10 Jul 2009 11:32:05 +1000 (EST) Received: by ozlabs.org (Postfix) id 946C2DDDF7; Fri, 10 Jul 2009 11:32:05 +1000 (EST) Delivered-To: patchwork-incoming@ozlabs.org Received: from bilbo.ozlabs.org (bilbo.ozlabs.org [203.10.76.25]) (using TLSv1 with cipher DHE-RSA-AES256-SHA (256/256 bits)) (Client CN "bilbo.ozlabs.org", Issuer "CAcert Class 3 Root" (verified OK)) by ozlabs.org (Postfix) with ESMTPS id 92135DDD0C for ; Fri, 10 Jul 2009 11:32:05 +1000 (EST) Received: from bilbo.ozlabs.org (localhost [127.0.0.1]) by bilbo.ozlabs.org (Postfix) with ESMTP id 6E173100C9B for ; Fri, 10 Jul 2009 11:22:10 +1000 (EST) Received: from ozlabs.org (ozlabs.org [203.10.76.45]) (using TLSv1 with cipher DHE-RSA-AES256-SHA (256/256 bits)) (Client CN "mx.ozlabs.org", Issuer "CA Cert Signing Authority" (verified OK)) by bilbo.ozlabs.org (Postfix) with ESMTPS id 49CB5B70EA for ; Fri, 10 Jul 2009 11:20:48 +1000 (EST) Received: by ozlabs.org (Postfix) id 3DCF7DDDF7; Fri, 10 Jul 2009 11:20:48 +1000 (EST) Delivered-To: linuxppc-dev@ozlabs.org Received: from sh.osrg.net (sh.osrg.net [192.16.179.4]) (using TLSv1 with cipher DHE-RSA-AES256-SHA (256/256 bits)) (Client did not present a certificate) by ozlabs.org (Postfix) with ESMTPS id E6C11DDDD4 for ; Fri, 10 Jul 2009 11:20:47 +1000 (EST) Received: from localhost (viola.osrg.net [10.76.0.4]) by sh.osrg.net (8.13.8/8.13.8/OSRG-NET) with ESMTP id n6A17usX023554; Fri, 10 Jul 2009 10:07:59 +0900 From: FUJITA Tomonori To: linux-kernel@vger.kernel.org Subject: [PATCH 02/15] swiotlb: remove unused swiotlb_alloc() Date: Fri, 10 Jul 2009 10:04:51 +0900 Message-Id: <1247187904-31999-3-git-send-email-fujita.tomonori@lab.ntt.co.jp> X-Mailer: git-send-email 1.6.0.6 In-Reply-To: <1247187904-31999-1-git-send-email-fujita.tomonori@lab.ntt.co.jp> References: <1247187904-31999-1-git-send-email-fujita.tomonori@lab.ntt.co.jp> Lines: 67 X-Greylist: Sender IP whitelisted, not delayed by milter-greylist-3.0 (sh.osrg.net [192.16.179.4]); Fri, 10 Jul 2009 10:07:59 +0900 (JST) Cc: tony.luck@intel.com, linux-ia64@vger.kernel.org, x86@kernel.org, fujita.tomonori@lab.ntt.co.jp, linuxppc-dev@ozlabs.org X-BeenThere: linuxppc-dev@lists.ozlabs.org X-Mailman-Version: 2.1.11 Precedence: list List-Id: Linux on PowerPC Developers Mail List List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , MIME-Version: 1.0 Sender: linuxppc-dev-bounces+patchwork-incoming=ozlabs.org@lists.ozlabs.org Errors-To: linuxppc-dev-bounces+patchwork-incoming=ozlabs.org@lists.ozlabs.org Nobody uses swiotlb_alloc(). Signed-off-by: FUJITA Tomonori --- arch/x86/kernel/pci-swiotlb.c | 5 ----- include/linux/swiotlb.h | 2 -- lib/swiotlb.c | 8 ++------ 3 files changed, 2 insertions(+), 13 deletions(-) diff --git a/arch/x86/kernel/pci-swiotlb.c b/arch/x86/kernel/pci-swiotlb.c index 0ac7cd5..ea675cf 100644 --- a/arch/x86/kernel/pci-swiotlb.c +++ b/arch/x86/kernel/pci-swiotlb.c @@ -13,11 +13,6 @@ int swiotlb __read_mostly; -void *swiotlb_alloc(unsigned order, unsigned long nslabs) -{ - return (void *)__get_free_pages(GFP_DMA | __GFP_NOWARN, order); -} - dma_addr_t swiotlb_phys_to_bus(struct device *hwdev, phys_addr_t paddr) { return paddr; diff --git a/include/linux/swiotlb.h b/include/linux/swiotlb.h index 94db704..6bc5094 100644 --- a/include/linux/swiotlb.h +++ b/include/linux/swiotlb.h @@ -23,8 +23,6 @@ struct scatterlist; extern void swiotlb_init(void); -extern void *swiotlb_alloc(unsigned order, unsigned long nslabs); - extern dma_addr_t swiotlb_phys_to_bus(struct device *hwdev, phys_addr_t address); extern phys_addr_t swiotlb_bus_to_phys(struct device *hwdev, diff --git a/lib/swiotlb.c b/lib/swiotlb.c index 9edfdd4..3c4c21c 100644 --- a/lib/swiotlb.c +++ b/lib/swiotlb.c @@ -114,11 +114,6 @@ setup_io_tlb_npages(char *str) __setup("swiotlb=", setup_io_tlb_npages); /* make io_tlb_overflow tunable too? */ -void * __weak swiotlb_alloc(unsigned order, unsigned long nslabs) -{ - return (void *)__get_free_pages(GFP_DMA | __GFP_NOWARN, order); -} - dma_addr_t __weak swiotlb_phys_to_bus(struct device *hwdev, phys_addr_t paddr) { return paddr; @@ -240,7 +235,8 @@ swiotlb_late_init_with_default_size(size_t default_size) bytes = io_tlb_nslabs << IO_TLB_SHIFT; while ((SLABS_PER_PAGE << order) > IO_TLB_MIN_SLABS) { - io_tlb_start = swiotlb_alloc(order, io_tlb_nslabs); + io_tlb_start = (void *)__get_free_pages(GFP_DMA | __GFP_NOWARN, + order); if (io_tlb_start) break; order--;