[PATCH V3 2/6] PCI: Hide pci_reset_bridge_secondary_bus() from drivers
From: Sinan Kaya <hidden>
Date: 2018-06-28 18:30:07
Also in:
linux-arm-msm, linux-pci, lkml
Subsystem:
pci enhanced error handling (eeh) for powerpc, pci subsystem, the rest · Maintainers:
Mahesh J Salgaonkar, Bjorn Helgaas, Linus Torvalds
Rename pci_reset_bridge_secondary_bus() to pci_bridge_secondary_bus_reset() and move the declartation from linux/pci.h to drivers/pci.h to be used internally in PCI directory only. Signed-off-by: Sinan Kaya <redacted> --- drivers/pci/hotplug/pciehp_hpc.c | 2 +- drivers/pci/pci.c | 11 +++++------ drivers/pci/pci.h | 1 + drivers/pci/pcie/aer.c | 2 +- drivers/pci/pcie/err.c | 2 +- include/linux/pci.h | 1 - 6 files changed, 9 insertions(+), 10 deletions(-)
diff --git a/drivers/pci/hotplug/pciehp_hpc.c b/drivers/pci/hotplug/pciehp_hpc.c
index bbaa211..8dae232 100644
--- a/drivers/pci/hotplug/pciehp_hpc.c
+++ b/drivers/pci/hotplug/pciehp_hpc.c@@ -746,7 +746,7 @@ int pciehp_reset_slot(struct slot *slot, int probe) if (pciehp_poll_mode) del_timer_sync(&ctrl->poll_timer); - rc = pci_reset_bridge_secondary_bus(ctrl->pcie->port); + rc = pci_bridge_secondary_bus_reset(ctrl->pcie->port); pcie_capability_write_word(pdev, PCI_EXP_SLTSTA, stat_mask); pcie_write_cmd_nowait(ctrl, ctrl_mask, ctrl_mask);
diff --git a/drivers/pci/pci.c b/drivers/pci/pci.c
index 98d1490..236220c 100644
--- a/drivers/pci/pci.c
+++ b/drivers/pci/pci.c@@ -4224,19 +4224,18 @@ void __weak pcibios_reset_secondary_bus(struct pci_dev *dev) } /** - * pci_reset_bridge_secondary_bus - Reset the secondary bus on a PCI bridge. + * pci_bridge_secondary_bus_reset - Reset the secondary bus on a PCI bridge. * @dev: Bridge device * * Use the bridge control register to assert reset on the secondary bus. * Devices on the secondary bus are left in power-on state. */ -int pci_reset_bridge_secondary_bus(struct pci_dev *dev) +int pci_bridge_secondary_bus_reset(struct pci_dev *dev) { pcibios_reset_secondary_bus(dev); return pci_dev_wait(dev, "bus reset", PCIE_RESET_READY_POLL_MS); } -EXPORT_SYMBOL_GPL(pci_reset_bridge_secondary_bus); static int pci_parent_bus_reset(struct pci_dev *dev, int probe) {
@@ -4253,7 +4252,7 @@ static int pci_parent_bus_reset(struct pci_dev *dev, int probe) if (probe) return 0; - return pci_reset_bridge_secondary_bus(dev->bus->self); + return pci_bridge_secondary_bus_reset(dev->bus->self); } static int pci_reset_hotplug_slot(struct hotplug_slot *hotplug, int probe)
@@ -4860,7 +4859,7 @@ static int pci_bus_reset(struct pci_bus *bus, int probe) might_sleep(); - ret = pci_reset_bridge_secondary_bus(bus->self); + ret = pci_bridge_secondary_bus_reset(bus->self); pci_bus_unlock(bus);
@@ -4924,7 +4923,7 @@ int pci_try_reset_bus(struct pci_bus *bus) if (pci_bus_trylock(bus)) { might_sleep(); - rc = pci_reset_bridge_secondary_bus(bus->self); + rc = pci_bridge_secondary_bus_reset(bus->self); pci_bus_unlock(bus); } else rc = -EAGAIN;
diff --git a/drivers/pci/pci.h b/drivers/pci/pci.h
index c358e7a0..f784263 100644
--- a/drivers/pci/pci.h
+++ b/drivers/pci/pci.h@@ -33,6 +33,7 @@ int pci_mmap_fits(struct pci_dev *pdev, int resno, struct vm_area_struct *vmai, enum pci_mmap_api mmap_api); int pci_probe_reset_function(struct pci_dev *dev); +int pci_bridge_secondary_bus_reset(struct pci_dev *dev); /** * struct pci_platform_pm_ops - Firmware PM callbacks
diff --git a/drivers/pci/pcie/aer.c b/drivers/pci/pcie/aer.c
index f1d0f3e..74ea6ec 100644
--- a/drivers/pci/pcie/aer.c
+++ b/drivers/pci/pcie/aer.c@@ -1314,7 +1314,7 @@ static pci_ers_result_t aer_root_reset(struct pci_dev *dev) reg32 &= ~ROOT_PORT_INTR_ON_MESG_MASK; pci_write_config_dword(dev, pos + PCI_ERR_ROOT_COMMAND, reg32); - rc = pci_reset_bridge_secondary_bus(dev); + rc = pci_bridge_secondary_bus_reset(dev); pci_printk(KERN_DEBUG, dev, "Root Port link has been reset\n"); /* Clear Root Error Status */
diff --git a/drivers/pci/pcie/err.c b/drivers/pci/pcie/err.c
index 3a62a2e..a3a26f1 100644
--- a/drivers/pci/pcie/err.c
+++ b/drivers/pci/pcie/err.c@@ -177,7 +177,7 @@ static pci_ers_result_t default_reset_link(struct pci_dev *dev) { int rc; - rc = pci_reset_bridge_secondary_bus(dev); + rc = pci_bridge_secondary_bus_reset(dev); pci_printk(KERN_DEBUG, dev, "downstream link has been reset\n"); return !rc ? PCI_ERS_RESULT_RECOVERED : PCI_ERS_RESULT_DISCONNECT; }
diff --git a/include/linux/pci.h b/include/linux/pci.h
index 340029b..6b12ce2 100644
--- a/include/linux/pci.h
+++ b/include/linux/pci.h@@ -1102,7 +1102,6 @@ int pci_reset_bus(struct pci_bus *bus); int pci_try_reset_bus(struct pci_bus *bus); void pci_reset_secondary_bus(struct pci_dev *dev); void pcibios_reset_secondary_bus(struct pci_dev *dev); -int pci_reset_bridge_secondary_bus(struct pci_dev *dev); void pci_update_resource(struct pci_dev *dev, int resno); int __must_check pci_assign_resource(struct pci_dev *dev, int i); int __must_check pci_reassign_resource(struct pci_dev *dev, int i, resource_size_t add_size, resource_size_t align);
--
2.7.4