From mboxrd@z Thu Jan 1 00:00:00 1970 From: Sinan Kaya Subject: [PATCH V2 6/7] PCI: add device wait after slot and bus reset Date: Mon, 27 Nov 2017 01:20:27 -0500 Message-ID: <1511763628-11856-7-git-send-email-okaya@codeaurora.org> References: <1511763628-11856-1-git-send-email-okaya@codeaurora.org> Return-path: In-Reply-To: <1511763628-11856-1-git-send-email-okaya@codeaurora.org> Sender: linux-kernel-owner@vger.kernel.org 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 , open list List-Id: linux-arm-msm@vger.kernel.org Rev 3.1 Sec 2.3.1 Request Handling Rules indicates that a device can issue CRS following secondary bus reset. Handle device presence gracefully. Signed-off-by: Sinan Kaya --- 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 0a9a696..8472c24 100644 --- a/drivers/pci/pci.c +++ b/drivers/pci/pci.c @@ -4035,7 +4035,7 @@ int pci_reset_bridge_secondary_bus(struct pci_dev *dev) { pcibios_reset_secondary_bus(dev); - return 0; + return pci_dev_wait(dev, "bus reset", PCIE_RESET_READY_POLL_MS); } EXPORT_SYMBOL_GPL(pci_reset_bridge_secondary_bus); -- 1.9.1