From mboxrd@z Thu Jan 1 00:00:00 1970 From: Manikanta Maddireddy Subject: [PATCH V4 3/7] PCI: tegra: Remove PCI_REASSIGN_ALL_BUS flag for Tegra PCIe Date: Fri, 8 Dec 2017 14:28:09 +0530 Message-ID: <1512723493-865-4-git-send-email-mmaddireddy@nvidia.com> References: <1512723493-865-1-git-send-email-mmaddireddy@nvidia.com> Mime-Version: 1.0 Content-Type: text/plain Return-path: In-Reply-To: <1512723493-865-1-git-send-email-mmaddireddy-DDmLM1+adcrQT0dZR+AlfA@public.gmane.org> Sender: linux-tegra-owner-u79uwXL29TY76Z2rM5mHXA@public.gmane.org To: cyndis-/1wQRMveznE@public.gmane.org, thierry.reding-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org, bhelgaas-hpIqsD4AKlfQT0dZR+AlfA@public.gmane.org, lorenzo.pieralisi-5wv7dgnIgG8@public.gmane.org Cc: jonathanh-DDmLM1+adcrQT0dZR+AlfA@public.gmane.org, robh+dt-DgEjT+Ai2ygdnm+yROfE0A@public.gmane.org, frowand.list-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org, rjw-LthD3rsA81gm4RdzfppkhA@public.gmane.org, tglx-hfZtesqFncYOwBW4kG4KsQ@public.gmane.org, vidyas-DDmLM1+adcrQT0dZR+AlfA@public.gmane.org, kthota-DDmLM1+adcrQT0dZR+AlfA@public.gmane.org, linux-tegra-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, devicetree-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, linux-pci-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, linux-pm-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, Manikanta Maddireddy List-Id: devicetree@vger.kernel.org Primary, secondary and subordinate default bus numbers are 0 in Tegra and it is expecting SW to program these numbers in configration space. pci_scan_bridge_extend() function programs these numbers in configuration space if secondary & subordinate bus numbers are 0 or PCI_REASSIGN_ALL_BUS flag is set. Since secondary & subordinate default bus numbers are 0, PCI_REASSIGN_ALL_BUS flag can be removed for Tegra PCIe. Signed-off-by: Manikanta Maddireddy --- V3: * new patch in V3 V4: * no change in this patch drivers/pci/host/pci-tegra.c | 1 - 1 file changed, 1 deletion(-) diff --git a/drivers/pci/host/pci-tegra.c b/drivers/pci/host/pci-tegra.c index a549c5899e26..0d91f1a3a6b4 100644 --- a/drivers/pci/host/pci-tegra.c +++ b/drivers/pci/host/pci-tegra.c @@ -2604,7 +2604,6 @@ static int tegra_pcie_probe(struct platform_device *pdev) tegra_pcie_enable_ports(pcie); - pci_add_flags(PCI_REASSIGN_ALL_BUS); host->busnr = pcie->busn.start; host->dev.parent = &pdev->dev; host->ops = &tegra_pcie_ops; -- 2.1.4