#include "../pci.h"
#include "pciehp.h"
-#include <acpi/acpi.h>
-#include <acpi/acpi_bus.h>
-#include <acpi/actypes.h>
-#include <linux/pci-acpi.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 */
static int ctlr_seq_num = 0; /* Controller sequence # */
static spinlock_t list_lock;
-static irqreturn_t pcie_isr(int IRQ, void *dev_id, struct pt_regs *regs);
+static irqreturn_t pcie_isr(int IRQ, void *dev_id);
static void start_int_poll_timer(struct php_ctlr_state_s *php_ctlr, int seconds);
}
/* Poll for interrupt events. regs == NULL => polling */
- pcie_isr( 0, (void *)php_ctlr, NULL );
+ pcie_isr( 0, (void *)php_ctlr );
init_timer(&php_ctlr->int_poll_timer);
if (php_ctlr->irq) {
free_irq(php_ctlr->irq, ctrl);
php_ctlr->irq = 0;
- if (!pcie_mch_quirk)
- pci_disable_msi(php_ctlr->pci_dev);
}
}
if (php_ctlr->pci_dev)
return retval;
}
-static irqreturn_t pcie_isr(int IRQ, void *dev_id, struct pt_regs *regs)
+static irqreturn_t pcie_isr(int IRQ, void *dev_id)
{
struct controller *ctrl = NULL;
struct php_ctlr_state_s *php_ctlr;
if (ACPI_SUCCESS(status)) {
dbg("Gained control for hotplug HW for pci %s (%s)\n",
pci_name(dev), (char *)string.pointer);
- acpi_os_free(string.pointer);
+ kfree(string.pointer);
return 0;
}
if (acpi_root_bridge(handle))
err("Cannot get control of hotplug hardware for pci %s\n",
pci_name(dev));
- acpi_os_free(string.pointer);
+ kfree(string.pointer);
return -1;
}
#endif
DBG_ENTER_ROUTINE
spin_lock_init(&list_lock);
- php_ctlr = (struct php_ctlr_state_s *) kmalloc(sizeof(struct php_ctlr_state_s), GFP_KERNEL);
+ php_ctlr = kmalloc(sizeof(struct php_ctlr_state_s), GFP_KERNEL);
if (!php_ctlr) { /* allocate controller state data */
err("%s: HPC controller memory allocation error!\n", __FUNCTION__);
for ( rc = 0; rc < DEVICE_COUNT_RESOURCE; rc++)
if (pci_resource_len(pdev, rc) > 0)
- dbg("pci resource[%d] start=0x%lx(len=0x%lx)\n", rc,
- pci_resource_start(pdev, rc), pci_resource_len(pdev, rc));
+ 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));
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);
- if (pci_enable_device(pdev))
- goto abort_free_ctlr;
-
mutex_init(&ctrl->crit_sect);
+ mutex_init(&ctrl->ctrl_lock);
+
/* 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, SA_SHIRQ, MY_NAME, (void *) ctrl);
+ rc = request_irq(php_ctlr->irq, pcie_isr, IRQF_SHARED, 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_ctlr;
+ goto abort_free_irq;
}
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_ctlr;
+ goto abort_free_irq;
}
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_free_ctlr;
+ goto abort_disable_intr;
}
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_free_ctlr;
+ goto abort_disable_intr;
}
if (pciehp_force) {
} else {
rc = pciehp_get_hp_hw_control_from_firmware(ctrl->pci_dev);
if (rc)
- goto abort_free_ctlr;
+ goto abort_disable_intr;
}
/* 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);