Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752174Ab3FZBPn (ORCPT ); Tue, 25 Jun 2013 21:15:43 -0400 Received: from szxga02-in.huawei.com ([119.145.14.65]:58130 "EHLO szxga02-in.huawei.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752086Ab3FZBPl (ORCPT ); Tue, 25 Jun 2013 21:15:41 -0400 From: Yijing Wang To: Andrew Morton CC: , Yijing Wang , , , "James E.J. Bottomley" , Subject: [PATCH 8/9] scsi/pm8001: use pdev->pm_cap instead of pci_find_capability(..,PCI_CAP_ID_PM) Date: Wed, 26 Jun 2013 09:13:30 +0800 Message-ID: <1372209210-21512-1-git-send-email-wangyijing@huawei.com> X-Mailer: git-send-email 1.7.11.msysgit.1 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: 1593 Lines: 45 Pci core has been saved pm cap register offset by pdev->pm_cap in pci_pm_init() in init path. So we can use pdev->pm_cap instead of using pci_find_capability(pdev, PCI_CAP_ID_PM) for better performance and simplified code. Signed-off-by: Yijing Wang Cc: xjtuwjp@gmail.com Cc: lindar_liu@usish.com Cc: "James E.J. Bottomley" Cc: linux-scsi@vger.kernel.org Cc: linux-kernel@vger.kernel.org --- drivers/scsi/pm8001/pm8001_init.c | 7 +++---- 1 files changed, 3 insertions(+), 4 deletions(-) diff --git a/drivers/scsi/pm8001/pm8001_init.c b/drivers/scsi/pm8001/pm8001_init.c index e4b9bc7..3861aa1 100644 --- a/drivers/scsi/pm8001/pm8001_init.c +++ b/drivers/scsi/pm8001/pm8001_init.c @@ -912,14 +912,13 @@ static int pm8001_pci_suspend(struct pci_dev *pdev, pm_message_t state) { struct sas_ha_struct *sha = pci_get_drvdata(pdev); struct pm8001_hba_info *pm8001_ha; - int i , pos; + int i; u32 device_state; pm8001_ha = sha->lldd_ha; flush_workqueue(pm8001_wq); scsi_block_requests(pm8001_ha->shost); - pos = pci_find_capability(pdev, PCI_CAP_ID_PM); - if (pos == 0) { - printk(KERN_ERR " PCI PM not supported\n"); + if (!pdev->pm_cap) { + dev_err(&pdev->dev, " PCI PM not supported\n"); return -ENODEV; } PM8001_CHIP_DISP->interrupt_disable(pm8001_ha, 0xFF); -- 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/