Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752740Ab3IINRK (ORCPT ); Mon, 9 Sep 2013 09:17:10 -0400 Received: from szxga02-in.huawei.com ([119.145.14.65]:52482 "EHLO szxga02-in.huawei.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752458Ab3IINRG (ORCPT ); Mon, 9 Sep 2013 09:17:06 -0400 From: Yijing Wang To: Bjorn Helgaas , Chris Metcalf , Greg Kroah-Hartman , David Airlie , Mike Marciniszyn , Roland Dreier , Roland Dreier CC: , Mark Einon , Sean Hefty , Hal Rosenstock , , , Yijing Wang , Hanjun Guo Subject: [PATCH 2/6] title/pci: use cached pci_dev->pcie_mpss to simplify code Date: Mon, 9 Sep 2013 21:13:04 +0800 Message-ID: <1378732388-4508-3-git-send-email-wangyijing@huawei.com> X-Mailer: git-send-email 1.7.11.msysgit.1 In-Reply-To: <1378732388-4508-1-git-send-email-wangyijing@huawei.com> References: <1378732388-4508-1-git-send-email-wangyijing@huawei.com> MIME-Version: 1.0 Content-Type: text/plain X-Originating-IP: [10.135.76.69] X-CFilter-Loop: Reflected Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1271 Lines: 39 The PCI core caches the "PCI-E Max Payload Size Supported" in pci_dev->pcie_mpss, so use that instead of pcie_capability_read_dword(). Signed-off-by: Yijing Wang --- arch/tile/kernel/pci.c | 7 ++----- 1 files changed, 2 insertions(+), 5 deletions(-) diff --git a/arch/tile/kernel/pci.c b/arch/tile/kernel/pci.c index 67237d3..692a799 100644 --- a/arch/tile/kernel/pci.c +++ b/arch/tile/kernel/pci.c @@ -246,15 +246,12 @@ static void fixup_read_and_payload_sizes(void) /* Scan for the smallest maximum payload size. */ for_each_pci_dev(dev) { u32 devcap; - int max_payload; if (!pci_is_pcie(dev)) continue; - pcie_capability_read_dword(dev, PCI_EXP_DEVCAP, &devcap); - max_payload = devcap & PCI_EXP_DEVCAP_PAYLOAD; - if (max_payload < smallest_max_payload) - smallest_max_payload = max_payload; + if (dev->pcie_mpss < smallest_max_payload) + smallest_max_payload = dev->pcie_mpss; } /* Now, set the max_payload_size for all devices to that value. */ -- 1.7.1 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/