#include "../pci.h"
#include "shpchp.h"
-void program_fw_provided_values(struct pci_dev *dev)
+static void program_fw_provided_values(struct pci_dev *dev)
{
u16 pci_cmd, pci_bctl;
struct pci_dev *cdev;
- struct hotplug_params hpp = {0x8, 0x40, 0, 0}; /* defaults */
+ struct hotplug_params hpp;
/* Program hpp values for this device */
if (!(dev->hdr_type == PCI_HEADER_TYPE_NORMAL ||
(dev->class >> 8) == PCI_CLASS_BRIDGE_PCI)))
return;
- get_hp_params_from_firmware(dev, &hpp);
+ /* use default values if we can't get them from firmware */
+ if (get_hp_params_from_firmware(dev, &hpp) ||
+ !hpp.t0 || (hpp.t0->revision > 1)) {
+ printk(KERN_WARNING
+ "%s: Could not get hotplug parameters. Use defaults\n",
+ __FUNCTION__);
+ hpp.t0 = &hpp.type0_data;
+ hpp.t0->revision = 0;
+ hpp.t0->cache_line_size = 8;
+ hpp.t0->latency_timer = 0x40;
+ hpp.t0->enable_serr = 0;
+ hpp.t0->enable_perr = 0;
+ }
- pci_write_config_byte(dev, PCI_CACHE_LINE_SIZE, hpp.cache_line_size);
- pci_write_config_byte(dev, PCI_LATENCY_TIMER, hpp.latency_timer);
+ pci_write_config_byte(dev,
+ PCI_CACHE_LINE_SIZE, hpp.t0->cache_line_size);
+ pci_write_config_byte(dev, PCI_LATENCY_TIMER, hpp.t0->latency_timer);
pci_read_config_word(dev, PCI_COMMAND, &pci_cmd);
- if (hpp.enable_serr)
+ if (hpp.t0->enable_serr)
pci_cmd |= PCI_COMMAND_SERR;
else
pci_cmd &= ~PCI_COMMAND_SERR;
- if (hpp.enable_perr)
+ if (hpp.t0->enable_perr)
pci_cmd |= PCI_COMMAND_PARITY;
else
pci_cmd &= ~PCI_COMMAND_PARITY;
/* Program bridge control value and child devices */
if ((dev->class >> 8) == PCI_CLASS_BRIDGE_PCI) {
pci_write_config_byte(dev, PCI_SEC_LATENCY_TIMER,
- hpp.latency_timer);
+ hpp.t0->latency_timer);
pci_read_config_word(dev, PCI_BRIDGE_CONTROL, &pci_bctl);
- if (hpp.enable_serr)
+ if (hpp.t0->enable_serr)
pci_bctl |= PCI_BRIDGE_CTL_SERR;
else
pci_bctl &= ~PCI_BRIDGE_CTL_SERR;
- if (hpp.enable_perr)
+ if (hpp.t0->enable_perr)
pci_bctl |= PCI_BRIDGE_CTL_PARITY;
else
pci_bctl &= ~PCI_BRIDGE_CTL_PARITY;
struct pci_bus *parent = p_slot->ctrl->pci_dev->subordinate;
int num, fn;
- dev = pci_find_slot(p_slot->bus, PCI_DEVFN(p_slot->device, 0));
+ dev = pci_get_slot(parent, PCI_DEVFN(p_slot->device, 0));
if (dev) {
err("Device %s already exists at %x:%x, cannot hot-add\n",
pci_name(dev), p_slot->bus, p_slot->device);
+ pci_dev_put(dev);
return -EINVAL;
}
}
for (fn = 0; fn < 8; fn++) {
- if (!(dev = pci_find_slot(p_slot->bus,
- PCI_DEVFN(p_slot->device, fn))))
+ dev = pci_get_slot(parent, PCI_DEVFN(p_slot->device, fn));
+ if (!dev)
continue;
if ((dev->class >> 16) == PCI_BASE_CLASS_DISPLAY) {
err("Cannot hot-add display device %s\n",
pci_name(dev));
+ pci_dev_put(dev);
continue;
}
if ((dev->hdr_type == PCI_HEADER_TYPE_BRIDGE) ||
}
if (busnr >= end) {
err("No free bus for hot-added bridge\n");
+ pci_dev_put(dev);
continue;
}
child = pci_add_new_bus(parent, dev, busnr);
if (!child) {
err("Cannot add new bus for %s\n",
pci_name(dev));
+ pci_dev_put(dev);
continue;
}
child->subordinate = pci_do_scan_bus(child);
pci_bus_size_bridges(child);
}
program_fw_provided_values(dev);
+ pci_dev_put(dev);
}
pci_bus_assign_resources(parent);
int rc = 0;
int j;
u8 bctl = 0;
-
+ struct pci_bus *parent = p_slot->ctrl->pci_dev->subordinate;
+
dbg("%s: bus/dev = %x/%x\n", __FUNCTION__, p_slot->bus, p_slot->device);
for (j=0; j<8 ; j++) {
- struct pci_dev* temp = pci_find_slot(p_slot->bus,
+ struct pci_dev* temp = pci_get_slot(parent,
(p_slot->device << 3) | j);
if (!temp)
continue;
if ((temp->class >> 16) == PCI_BASE_CLASS_DISPLAY) {
err("Cannot remove display device %s\n",
pci_name(temp));
+ pci_dev_put(temp);
continue;
}
if (temp->hdr_type == PCI_HEADER_TYPE_BRIDGE) {
if (bctl & PCI_BRIDGE_CTL_VGA) {
err("Cannot remove display device %s\n",
pci_name(temp));
+ pci_dev_put(temp);
continue;
}
}
pci_remove_bus_device(temp);
+ pci_dev_put(temp);
}
return rc;
}