From patchwork Sat Oct 3 15:19:35 2015 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Christoph Hellwig X-Patchwork-Id: 525946 X-Patchwork-Delegate: davem@davemloft.net Return-Path: X-Original-To: patchwork-incoming@ozlabs.org Delivered-To: patchwork-incoming@ozlabs.org Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by ozlabs.org (Postfix) with ESMTP id 6CD9C140157 for ; Sun, 4 Oct 2015 01:26:32 +1000 (AEST) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752933AbbJCP0S (ORCPT ); Sat, 3 Oct 2015 11:26:18 -0400 Received: from bombadil.infradead.org ([198.137.202.9]:51315 "EHLO bombadil.infradead.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753162AbbJCPYH (ORCPT ); Sat, 3 Oct 2015 11:24:07 -0400 Received: from [83.175.99.196] (helo=localhost) by bombadil.infradead.org with esmtpsa (Exim 4.80.1 #2 (Red Hat Linux)) id 1ZiOfB-0004UQ-Lw; Sat, 03 Oct 2015 15:23:54 +0000 From: Christoph Hellwig To: Andrew Morton , Don Fry , Oliver Neukum Cc: linux-net-drivers@solarflare.com, dri-devel@lists.freedesktop.org, linux-media@vger.kernel.org, netdev@vger.kernel.org, linux-parisc@vger.kernel.org, linux-serial@vger.kernel.org, linux-usb@vger.kernel.org, linux-kernel@vger.kernel.org Subject: [PATCH 11/15] sfc: don't call dma_supported Date: Sat, 3 Oct 2015 17:19:35 +0200 Message-Id: <1443885579-7094-12-git-send-email-hch@lst.de> X-Mailer: git-send-email 1.9.1 In-Reply-To: <1443885579-7094-1-git-send-email-hch@lst.de> References: <1443885579-7094-1-git-send-email-hch@lst.de> X-SRS-Rewrite: SMTP reverse-path rewritten from by bombadil.infradead.org See http://www.infradead.org/rpr.html Sender: netdev-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: netdev@vger.kernel.org dma_set_mask already checks for a supported DMA mask before updating it, the call to dma_supported is redundant. Signed-off-by: Christoph Hellwig Acked-by: Bert Kenward --- drivers/net/ethernet/sfc/efx.c | 8 +++----- 1 file changed, 3 insertions(+), 5 deletions(-) diff --git a/drivers/net/ethernet/sfc/efx.c b/drivers/net/ethernet/sfc/efx.c index 974637d..4abe886 100644 --- a/drivers/net/ethernet/sfc/efx.c +++ b/drivers/net/ethernet/sfc/efx.c @@ -1247,11 +1247,9 @@ static int efx_init_io(struct efx_nic *efx) * masks event though they reject 46 bit masks. */ while (dma_mask > 0x7fffffffUL) { - if (dma_supported(&pci_dev->dev, dma_mask)) { - rc = dma_set_mask_and_coherent(&pci_dev->dev, dma_mask); - if (rc == 0) - break; - } + rc = dma_set_mask_and_coherent(&pci_dev->dev, dma_mask); + if (rc == 0) + break; dma_mask >>= 1; } if (rc) {