From patchwork Wed Aug 19 06:55:51 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Christoph Hellwig X-Patchwork-Id: 11722761 Return-Path: Received: from mail.kernel.org (pdx-korg-mail-1.web.codeaurora.org [172.30.200.123]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id A6ACF618 for ; Wed, 19 Aug 2020 06:58:02 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 8DA8A20888 for ; Wed, 19 Aug 2020 06:58:02 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=fail reason="signature verification failed" (2048-bit key) header.d=infradead.org header.i=@infradead.org header.b="u6vSRQC9" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1728110AbgHSG6A (ORCPT ); Wed, 19 Aug 2020 02:58:00 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:36864 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1728070AbgHSG5w (ORCPT ); Wed, 19 Aug 2020 02:57:52 -0400 Received: from casper.infradead.org (casper.infradead.org [IPv6:2001:8b0:10b:1236::1]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id B62D4C061342; Tue, 18 Aug 2020 23:57:51 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=infradead.org; s=casper.20170209; h=Content-Transfer-Encoding:MIME-Version: References:In-Reply-To:Message-Id:Date:Subject:Cc:To:From:Sender:Reply-To: Content-Type:Content-ID:Content-Description; bh=x1sUcmGO9MrhIj1ZnTCGxtvCXn3JVCX8pLSqOEGJVeQ=; b=u6vSRQC9fVad37bBaSkK60SHWJ 6EwwbLS18F5aFivn2ChzghfBPrByYl1r51d8Jv8lVMGJ7tcALRFJdo3GWptQYoQ4UUuHQTb9UE51O qTlro6hdElitB7fQIcnMrk2i6qm1OdlP4j38VhfvBmeLtT+8rwS4hsN90yiBnmwrguN69ZTHCHvu8 yVuHNDXJuW3tANjr0ql4qsWOdE2wfuOh8g7/5vm5R+uVEwAnleVZQvwn02t9aADNVkJHvbYeU0YMJ JEjWPsC90vMzrSnzJkxDzWYR9Ok7+cLqFWAIN8EcfwA6y18GUJ0g3xj02d3MCThoC0GeH1v8No6S7 MnLsgqzg==; Received: from [2001:4bb8:198:f3b2:86b6:2277:f429:37a1] (helo=localhost) by casper.infradead.org with esmtpsa (Exim 4.92.3 #3 (Red Hat Linux)) id 1k8I1m-000050-VI; Wed, 19 Aug 2020 06:56:55 +0000 From: Christoph Hellwig To: Mauro Carvalho Chehab , Thomas Bogendoerfer , "James E.J. Bottomley" , Joonyoung Shim , Seung-Woo Kim , Kyungmin Park , Ben Skeggs , Pawel Osciak , Marek Szyprowski , Matt Porter , iommu@lists.linux-foundation.org Cc: Tom Lendacky , linux-doc@vger.kernel.org, linux-kernel@vger.kernel.org, linux-media@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-ia64@vger.kernel.org, linux-mips@vger.kernel.org, linux-parisc@vger.kernel.org, linux-samsung-soc@vger.kernel.org, nouveau@lists.freedesktop.org, netdev@vger.kernel.org, linux-nvme@lists.infradead.org, linux-scsi@vger.kernel.org, linux-mm@kvack.org, alsa-devel@alsa-project.org Subject: [PATCH 24/28] 53c700: convert from dma_cache_sync to dma_sync_single_for_device Date: Wed, 19 Aug 2020 08:55:51 +0200 Message-Id: <20200819065555.1802761-25-hch@lst.de> X-Mailer: git-send-email 2.28.0 In-Reply-To: <20200819065555.1802761-1-hch@lst.de> References: <20200819065555.1802761-1-hch@lst.de> MIME-Version: 1.0 X-SRS-Rewrite: SMTP reverse-path rewritten from by casper.infradead.org. See http://www.infradead.org/rpr.html Sender: linux-samsung-soc-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-samsung-soc@vger.kernel.org Use the proper modern API to transfer cache ownership for incoherent DMA. Signed-off-by: Christoph Hellwig --- drivers/scsi/53c700.c | 11 +++++++++-- 1 file changed, 9 insertions(+), 2 deletions(-) diff --git a/drivers/scsi/53c700.c b/drivers/scsi/53c700.c index 521950d0731e4a..57a08c42d00325 100644 --- a/drivers/scsi/53c700.c +++ b/drivers/scsi/53c700.c @@ -269,18 +269,25 @@ NCR_700_get_SXFER(struct scsi_device *SDp) spi_period(SDp->sdev_target)); } +static inline dma_addr_t virt_to_dma(struct NCR_700_Host_Parameters *h, void *p) +{ + return h->pScript + ((uintptr_t)p - (uintptr_t)h->script); +} + static inline void dma_sync_to_dev(struct NCR_700_Host_Parameters *h, void *addr, size_t size) { if (h->noncoherent) - dma_cache_sync(h->dev, addr, size, DMA_TO_DEVICE); + dma_sync_single_for_device(h->dev, virt_to_dma(h, addr), + size, DMA_BIDIRECTIONAL); } static inline void dma_sync_from_dev(struct NCR_700_Host_Parameters *h, void *addr, size_t size) { if (h->noncoherent) - dma_cache_sync(h->dev, addr, size, DMA_FROM_DEVICE); + dma_sync_single_for_device(h->dev, virt_to_dma(h, addr), size, + DMA_BIDIRECTIONAL); } struct Scsi_Host *