diff options
Diffstat (limited to 'target/linux/ipq806x/patches-4.9/0071-4-PCIE-designware-Fixed-PCI-host-init.patch')
| -rw-r--r-- | target/linux/ipq806x/patches-4.9/0071-4-PCIE-designware-Fixed-PCI-host-init.patch | 68 |
1 files changed, 68 insertions, 0 deletions
diff --git a/target/linux/ipq806x/patches-4.9/0071-4-PCIE-designware-Fixed-PCI-host-init.patch b/target/linux/ipq806x/patches-4.9/0071-4-PCIE-designware-Fixed-PCI-host-init.patch new file mode 100644 index 0000000..af9e121 --- /dev/null +++ b/target/linux/ipq806x/patches-4.9/0071-4-PCIE-designware-Fixed-PCI-host-init.patch @@ -0,0 +1,68 @@ +From e833cdb5c792912d459773cc23153e5d78875d34 Mon Sep 17 00:00:00 2001 +From: Sham Muthayyan <smuthayy@codeaurora.org> +Date: Tue, 19 Jul 2016 20:05:25 +0530 +Subject: PCIE: designware: Fixed PCI host init + +Change-Id: I949b302d77199fc09342acf26b7bb45a7ec467ee +Signed-off-by: Sham Muthayyan <smuthayy@codeaurora.org> +--- + drivers/pci/host/pcie-designware.c | 9 +++++++-- + drivers/pci/host/pcie-designware.h | 2 +- + drivers/pci/host/pcie-qcom.c | 5 +++-- + 3 files changed, 11 insertions(+), 5 deletions(-) + +--- a/drivers/pci/host/pcie-designware.c ++++ b/drivers/pci/host/pcie-designware.c +@@ -637,8 +637,13 @@ int dw_pcie_host_init(struct pcie_port * + } + } + +- if (pp->ops->host_init) +- pp->ops->host_init(pp); ++ if (pp->ops->host_init) { ++ ret = pp->ops->host_init(pp); ++ if (ret) { ++ dev_err(pp->dev, "hostinit failed\n"); ++ return 0; ++ } ++ } + + pp->root_bus_nr = pp->busn->start; + if (IS_ENABLED(CONFIG_PCI_MSI)) { +--- a/drivers/pci/host/pcie-designware.h ++++ b/drivers/pci/host/pcie-designware.h +@@ -63,7 +63,7 @@ struct pcie_host_ops { + int (*wr_other_conf)(struct pcie_port *pp, struct pci_bus *bus, + unsigned int devfn, int where, int size, u32 val); + int (*link_up)(struct pcie_port *pp); +- void (*host_init)(struct pcie_port *pp); ++ int (*host_init)(struct pcie_port *pp); + void (*msi_set_irq)(struct pcie_port *pp, int irq); + void (*msi_clear_irq)(struct pcie_port *pp, int irq); + phys_addr_t (*get_msi_addr)(struct pcie_port *pp); +--- a/drivers/pci/host/pcie-qcom.c ++++ b/drivers/pci/host/pcie-qcom.c +@@ -515,7 +515,7 @@ static int qcom_pcie_link_up(struct pcie + return !!(val & PCI_EXP_LNKSTA_DLLLA); + } + +-static void qcom_pcie_host_init(struct pcie_port *pp) ++static int qcom_pcie_host_init(struct pcie_port *pp) + { + struct qcom_pcie *pcie = to_qcom_pcie(pp); + int ret; +@@ -541,12 +541,13 @@ static void qcom_pcie_host_init(struct p + if (ret) + goto err; + +- return; ++ return 0; + err: + qcom_ep_reset_assert(pcie); + phy_power_off(pcie->phy); + err_deinit: + pcie->ops->deinit(pcie); ++ return ret; + } + + static int qcom_pcie_rd_own_conf(struct pcie_port *pp, int where, int size, |