#include "../pci.h"
#include "pciehp.h"
+
#ifdef DEBUG
#define DBG_K_TRACE_ENTRY ((unsigned int)0x00000001) /* On function entry */
#define DBG_K_TRACE_EXIT ((unsigned int)0x00000002) /* On function exit */
.check_lnk_status = hpc_check_lnk_status,
};
-#ifdef CONFIG_ACPI
-int pciehp_acpi_get_hp_hw_control_from_firmware(struct pci_dev *dev)
-{
- acpi_status status;
- acpi_handle chandle, handle = DEVICE_ACPI_HANDLE(&(dev->dev));
- struct pci_dev *pdev = dev;
- struct pci_bus *parent;
- struct acpi_buffer string = { ACPI_ALLOCATE_BUFFER, NULL };
-
- /*
- * Per PCI firmware specification, we should run the ACPI _OSC
- * method to get control of hotplug hardware before using it.
- * If an _OSC is missing, we look for an OSHP to do the same thing.
- * To handle different BIOS behavior, we look for _OSC and OSHP
- * within the scope of the hotplug controller and its parents, upto
- * the host bridge under which this controller exists.
- */
- while (!handle) {
- /*
- * This hotplug controller was not listed in the ACPI name
- * space at all. Try to get acpi handle of parent pci bus.
- */
- if (!pdev || !pdev->bus->parent)
- break;
- parent = pdev->bus->parent;
- dbg("Could not find %s in acpi namespace, trying parent\n",
- pci_name(pdev));
- if (!parent->self)
- /* Parent must be a host bridge */
- handle = acpi_get_pci_rootbridge_handle(
- pci_domain_nr(parent),
- parent->number);
- else
- handle = DEVICE_ACPI_HANDLE(
- &(parent->self->dev));
- pdev = parent->self;
- }
-
- while (handle) {
- acpi_get_name(handle, ACPI_FULL_PATHNAME, &string);
- dbg("Trying to get hotplug control for %s \n",
- (char *)string.pointer);
- status = pci_osc_control_set(handle,
- OSC_PCI_EXPRESS_NATIVE_HP_CONTROL);
- if (status == AE_NOT_FOUND)
- status = acpi_run_oshp(handle);
- if (ACPI_SUCCESS(status)) {
- dbg("Gained control for hotplug HW for pci %s (%s)\n",
- pci_name(dev), (char *)string.pointer);
- kfree(string.pointer);
- return 0;
- }
- if (acpi_root_bridge(handle))
- break;
- chandle = handle;
- status = acpi_get_parent(chandle, &handle);
- if (ACPI_FAILURE(status))
- break;
- }
-
- err("Cannot get control of hotplug hardware for pci %s\n",
- pci_name(dev));
-
- kfree(string.pointer);
- return -1;
-}
-#endif
-
-
-
int pcie_init(struct controller * ctrl, struct pcie_device *dev)
{
struct php_ctlr_state_s *php_ctlr, *p;
for ( rc = 0; rc < DEVICE_COUNT_RESOURCE; rc++)
if (pci_resource_len(pdev, rc) > 0)
- dbg("pci resource[%d] start=0x%llx(len=0x%llx)\n", rc,
- (unsigned long long)pci_resource_start(pdev, rc),
- (unsigned long long)pci_resource_len(pdev, rc));
+ dbg("pci resource[%d] start=0x%lx(len=0x%lx)\n", rc,
+ pci_resource_start(pdev, rc), pci_resource_len(pdev, rc));
info("HPC vendor_id %x device_id %x ss_vid %x ss_did %x\n", pdev->vendor, pdev->device,
pdev->subsystem_vendor, pdev->subsystem_device);
- mutex_init(&ctrl->crit_sect);
+ if (pci_enable_device(pdev))
+ goto abort_free_ctlr;
+
+ init_MUTEX(&ctrl->crit_sect);
/* setup wait queue */
init_waitqueue_head(&ctrl->queue);
start_int_poll_timer( php_ctlr, 10 ); /* start with 10 second delay */
} else {
/* Installs the interrupt handler */
- rc = request_irq(php_ctlr->irq, pcie_isr, IRQF_SHARED, MY_NAME, (void *) ctrl);
+ rc = request_irq(php_ctlr->irq, pcie_isr, SA_SHIRQ, MY_NAME, (void *) ctrl);
dbg("%s: request_irq %d for hpc%d (returns %d)\n", __FUNCTION__, php_ctlr->irq, ctlr_seq_num, rc);
if (rc) {
err("Can't get irq %d for the hotplug controller\n", php_ctlr->irq);
rc = hp_register_read_word(pdev, SLOT_CTRL(ctrl->cap_base), temp_word);
if (rc) {
err("%s : hp_register_read_word SLOT_CTRL failed\n", __FUNCTION__);
- goto abort_free_irq;
+ goto abort_free_ctlr;
}
intr_enable = intr_enable | PRSN_DETECT_ENABLE;
rc = hp_register_write_word(pdev, SLOT_CTRL(ctrl->cap_base), temp_word);
if (rc) {
err("%s : hp_register_write_word SLOT_CTRL failed\n", __FUNCTION__);
- goto abort_free_irq;
+ goto abort_free_ctlr;
}
rc = hp_register_read_word(php_ctlr->pci_dev, SLOT_STATUS(ctrl->cap_base), slot_status);
if (rc) {
err("%s : hp_register_read_word SLOT_STATUS failed\n", __FUNCTION__);
- goto abort_disable_intr;
+ goto abort_free_ctlr;
}
temp_word = 0x1F; /* Clear all events */
rc = hp_register_write_word(php_ctlr->pci_dev, SLOT_STATUS(ctrl->cap_base), temp_word);
if (rc) {
err("%s : hp_register_write_word SLOT_STATUS failed\n", __FUNCTION__);
- goto abort_disable_intr;
+ goto abort_free_ctlr;
}
if (pciehp_force) {
} else {
rc = pciehp_get_hp_hw_control_from_firmware(ctrl->pci_dev);
if (rc)
- goto abort_disable_intr;
+ goto abort_free_ctlr;
}
/* Add this HPC instance into the HPC list */
return 0;
/* We end up here for the many possible ways to fail this API. */
-abort_disable_intr:
- rc = hp_register_read_word(pdev, SLOT_CTRL(ctrl->cap_base), temp_word);
- if (!rc) {
- temp_word &= ~(intr_enable | HP_INTR_ENABLE);
- rc = hp_register_write_word(pdev, SLOT_CTRL(ctrl->cap_base), temp_word);
- }
- if (rc)
- err("%s : disabling interrupts failed\n", __FUNCTION__);
-
-abort_free_irq:
- if (pciehp_poll_mode)
- del_timer_sync(&php_ctlr->int_poll_timer);
- else
- free_irq(php_ctlr->irq, ctrl);
-
abort_free_ctlr:
pcie_cap_base = saved_cap_base;
kfree(php_ctlr);
git://git.onelab.eu / linux-2.6.git / blobdiff