From mboxrd@z Thu Jan 1 00:00:00 1970 Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1751506AbeABRCb (ORCPT + 1 other); Tue, 2 Jan 2018 12:02:31 -0500 Received: from smtp.codeaurora.org ([198.145.29.96]:52688 "EHLO smtp.codeaurora.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751283AbeABRAg (ORCPT ); Tue, 2 Jan 2018 12:00:36 -0500 DMARC-Filter: OpenDMARC Filter v1.3.2 smtp.codeaurora.org 83EA360B81 Authentication-Results: pdx-caf-mail.web.codeaurora.org; dmarc=none (p=none dis=none) header.from=codeaurora.org Authentication-Results: pdx-caf-mail.web.codeaurora.org; spf=none smtp.mailfrom=okaya@codeaurora.org From: Sinan Kaya To: linux-pci@vger.kernel.org, timur@codeaurora.org Cc: linux-arm-msm@vger.kernel.org, linux-arm-kernel@lists.infradead.org, Sinan Kaya , Bjorn Helgaas , linux-kernel@vger.kernel.org (open list) Subject: [PATCH V3 4/6] PCI: Wait device ready after pci_pm_reset() Date: Tue, 2 Jan 2018 12:00:21 -0500 Message-Id: <1514912423-13341-5-git-send-email-okaya@codeaurora.org> X-Mailer: git-send-email 1.9.1 In-Reply-To: <1514912423-13341-1-git-send-email-okaya@codeaurora.org> References: <1514912423-13341-1-git-send-email-okaya@codeaurora.org> Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Return-Path: Rev 3.1 Sec 2.3.1 Request Handling Rules says a device can issue CRS following a D3hot->D0 transition. Add pci_dev_wait() call to see if device is available before returning. Signed-off-by: Sinan Kaya Reviewed-by: Christoph Hellwig --- drivers/pci/pci.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/pci/pci.c b/drivers/pci/pci.c index 736d809..09eae93 100644 --- a/drivers/pci/pci.c +++ b/drivers/pci/pci.c @@ -4116,7 +4116,7 @@ static int pci_pm_reset(struct pci_dev *dev, int probe) pci_write_config_word(dev, dev->pm_cap + PCI_PM_CTRL, csr); pci_dev_d3_sleep(dev); - return 0; + return pci_dev_wait(dev, "PM D3->D0", PCIE_RESET_READY_POLL_MS); } void pci_reset_secondary_bus(struct pci_dev *dev) -- 1.9.1