linux-kernel - [PATCH v2 03/21] PCI: keystone: Move dw_pcie_setup_rc out of ks_pcie_establish

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Date:   Wed, 17 Oct 2018 13:10:56 +0530
From:   Kishon Vijay Abraham I <kishon@...com>
To:     Bjorn Helgaas <bhelgaas@...gle.com>,
        Lorenzo Pieralisi <lorenzo.pieralisi@....com>,
        Murali Karicheri <m-karicheri2@...com>,
        Jingoo Han <jingoohan1@...il.com>,
        Gustavo Pimentel <gustavo.pimentel@...opsys.com>
CC:     Rob Herring <robh+dt@...nel.org>, <linux-pci@...r.kernel.org>,
        <devicetree@...r.kernel.org>, <linux-kernel@...r.kernel.org>,
        <linux-arm-kernel@...ts.infradead.org>,
        Kishon Vijay Abraham I <kishon@...com>
Subject: [PATCH v2 03/21] PCI: keystone: Move dw_pcie_setup_rc out of ks_pcie_establish_link()

No functional change. Move dw_pcie_setup_rc out of
ks_pcie_establish_link() so that ks_pcie_establish_link can be used only
to start the link.

Signed-off-by: Kishon Vijay Abraham I <kishon@...com>
---
 drivers/pci/controller/dwc/pci-keystone.c | 5 ++---
 1 file changed, 2 insertions(+), 3 deletions(-)

diff --git a/drivers/pci/controller/dwc/pci-keystone.c b/drivers/pci/controller/dwc/pci-keystone.c
index 5d9c5d199ada..afb948372077 100644
--- a/drivers/pci/controller/dwc/pci-keystone.c
+++ b/drivers/pci/controller/dwc/pci-keystone.c
@@ -86,12 +86,9 @@ DECLARE_PCI_FIXUP_ENABLE(PCI_ANY_ID, PCI_ANY_ID, quirk_limit_mrrs);
 static int ks_pcie_establish_link(struct keystone_pcie *ks_pcie)
 {
 	struct dw_pcie *pci = ks_pcie->pci;
-	struct pcie_port *pp = &pci->pp;
 	struct device *dev = pci->dev;
 	unsigned int retries;
 
-	dw_pcie_setup_rc(pp);
-
 	if (dw_pcie_link_up(pci)) {
 		dev_info(dev, "Link already up\n");
 		return 0;
@@ -266,6 +263,8 @@ static int __init ks_pcie_host_init(struct pcie_port *pp)
 	struct dw_pcie *pci = to_dw_pcie_from_pp(pp);
 	struct keystone_pcie *ks_pcie = to_keystone_pcie(pci);
 
+	dw_pcie_setup_rc(pp);
+
 	ks_pcie_establish_link(ks_pcie);
 	ks_dw_pcie_setup_rc_app_regs(ks_pcie);
 	ks_pcie_setup_interrupts(ks_pcie);
-- 
2.17.1