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https://github.com/openwrt/openwrt.git
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69 lines
2.1 KiB
Diff
69 lines
2.1 KiB
Diff
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From e833cdb5c792912d459773cc23153e5d78875d34 Mon Sep 17 00:00:00 2001
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From: Sham Muthayyan <smuthayy@codeaurora.org>
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Date: Tue, 19 Jul 2016 20:05:25 +0530
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Subject: PCIE: designware: Fixed PCI host init
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Change-Id: I949b302d77199fc09342acf26b7bb45a7ec467ee
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Signed-off-by: Sham Muthayyan <smuthayy@codeaurora.org>
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---
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drivers/pci/host/pcie-designware.c | 9 +++++++--
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drivers/pci/host/pcie-designware.h | 2 +-
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drivers/pci/host/pcie-qcom.c | 5 +++--
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3 files changed, 11 insertions(+), 5 deletions(-)
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--- a/drivers/pci/host/pcie-designware.c
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+++ b/drivers/pci/host/pcie-designware.c
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@@ -637,8 +637,13 @@ int dw_pcie_host_init(struct pcie_port *
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}
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}
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- if (pp->ops->host_init)
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- pp->ops->host_init(pp);
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+ if (pp->ops->host_init) {
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+ ret = pp->ops->host_init(pp);
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+ if (ret) {
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+ dev_err(pp->dev, "hostinit failed\n");
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+ return 0;
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+ }
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+ }
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pp->root_bus_nr = pp->busn->start;
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if (IS_ENABLED(CONFIG_PCI_MSI)) {
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--- a/drivers/pci/host/pcie-designware.h
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+++ b/drivers/pci/host/pcie-designware.h
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@@ -63,7 +63,7 @@ struct pcie_host_ops {
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int (*wr_other_conf)(struct pcie_port *pp, struct pci_bus *bus,
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unsigned int devfn, int where, int size, u32 val);
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int (*link_up)(struct pcie_port *pp);
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- void (*host_init)(struct pcie_port *pp);
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+ int (*host_init)(struct pcie_port *pp);
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void (*msi_set_irq)(struct pcie_port *pp, int irq);
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void (*msi_clear_irq)(struct pcie_port *pp, int irq);
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phys_addr_t (*get_msi_addr)(struct pcie_port *pp);
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--- a/drivers/pci/host/pcie-qcom.c
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+++ b/drivers/pci/host/pcie-qcom.c
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@@ -515,7 +515,7 @@ static int qcom_pcie_link_up(struct pcie
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return !!(val & PCI_EXP_LNKSTA_DLLLA);
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}
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-static void qcom_pcie_host_init(struct pcie_port *pp)
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+static int qcom_pcie_host_init(struct pcie_port *pp)
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{
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struct qcom_pcie *pcie = to_qcom_pcie(pp);
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int ret;
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@@ -541,12 +541,13 @@ static void qcom_pcie_host_init(struct p
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if (ret)
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goto err;
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- return;
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+ return 0;
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err:
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qcom_ep_reset_assert(pcie);
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phy_power_off(pcie->phy);
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err_deinit:
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pcie->ops->deinit(pcie);
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+ return ret;
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}
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static int qcom_pcie_rd_own_conf(struct pcie_port *pp, int where, int size,
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