Commit a218fbda authored by Andy Grover's avatar Andy Grover

Change some IA64 stuff as requested by Matthew Wilcox

Implement fix for keyboard hang when getting battery readings on some
systems (Stephen White)
parent 60109b52
/*
* acpi_osl.c - OS-dependent functions ($Revision: 78 $)
* acpi_osl.c - OS-dependent functions ($Revision: 83 $)
*
* Copyright (C) 2000 Andrew Henroid
* Copyright (C) 2001, 2002 Andy Grover <andrew.grover@intel.com>
......@@ -42,7 +42,7 @@
u64 efi_mem_attributes (u64 phys_addr);
#endif
#ifdef _IA64
#ifdef CONFIG_IA64
#include <asm/hw_irq.h>
#include <asm/delay.h>
#endif
......@@ -176,7 +176,7 @@ acpi_status
acpi_os_map_memory(ACPI_PHYSICAL_ADDRESS phys, ACPI_SIZE size, void **virt)
{
#ifdef CONFIG_ACPI_EFI
if (EFI_MEMORY_UC & efi_mem_attributes(phys)) {
if (!(EFI_MEMORY_WB & efi_mem_attributes(phys))) {
*virt = ioremap(phys, size);
} else {
*virt = phys_to_virt(phys);
......@@ -234,9 +234,9 @@ acpi_irq(int irq, void *dev_id, struct pt_regs *regs)
acpi_status
acpi_os_install_interrupt_handler(u32 irq, OSD_HANDLER handler, void *context)
{
#ifdef _IA64
irq = isa_irq_to_vector(irq);
#endif /*_IA64*/
#ifdef CONFIG_IA64
irq = gsi_to_vector(irq);
#endif
acpi_irq_irq = irq;
acpi_irq_handler = handler;
acpi_irq_context = context;
......@@ -252,9 +252,9 @@ acpi_status
acpi_os_remove_interrupt_handler(u32 irq, OSD_HANDLER handler)
{
if (acpi_irq_handler) {
#ifdef _IA64
irq = isa_irq_to_vector(irq);
#endif /*_IA64*/
#ifdef CONFIG_IA64
irq = gsi_to_vector(irq);
#endif
free_irq(irq, acpi_irq);
acpi_irq_handler = NULL;
}
......@@ -349,12 +349,13 @@ acpi_os_read_memory(
#ifdef CONFIG_ACPI_EFI
int iomem = 0;
if (EFI_MEMORY_UC & efi_mem_attributes(phys_addr)) {
if (EFI_MEMORY_WB & efi_mem_attributes(phys_addr)) {
virt_addr = phys_to_virt(phys_addr);
}
else {
iomem = 1;
virt_addr = ioremap(phys_addr, width);
}
else
virt_addr = phys_to_virt(phys_addr);
#else
virt_addr = phys_to_virt(phys_addr);
#endif
......@@ -394,12 +395,13 @@ acpi_os_write_memory(
#ifdef CONFIG_ACPI_EFI
int iomem = 0;
if (EFI_MEMORY_UC & efi_mem_attributes(phys_addr)) {
if (EFI_MEMORY_WB & efi_mem_attributes(phys_addr)) {
virt_addr = phys_to_virt(phys_addr);
}
else {
iomem = 1;
virt_addr = ioremap(phys_addr,width);
virt_addr = ioremap(phys_addr, width);
}
else
virt_addr = phys_to_virt(phys_addr);
#else
virt_addr = phys_to_virt(phys_addr);
#endif
......@@ -627,31 +629,35 @@ acpi_os_queue_for_execution(
case OSD_PRIORITY_GPE:
{
static struct tq_struct task;
/*
* Allocate/initialize DPC structure. Note that this memory will be
* freed by the callee.
* freed by the callee. The kernel handles the tq_struct list in a
* way that allows us to also free its memory inside the callee.
* Because we may want to schedule several tasks with different
* parameters we can't use the approach some kernel code uses of
* having a static tq_struct.
* We can save time and code by allocating the DPC and tq_structs
* from the same memory.
*/
dpc = kmalloc(sizeof(ACPI_OS_DPC), GFP_ATOMIC);
struct tq_struct *task;
dpc = kmalloc(sizeof(ACPI_OS_DPC)+sizeof(struct tq_struct), GFP_ATOMIC);
if (!dpc)
return_ACPI_STATUS (AE_NO_MEMORY);
dpc->function = function;
dpc->context = context;
memset(&task, 0, sizeof(struct tq_struct));
task.routine = acpi_os_schedule_exec;
task.data = (void*)dpc;
task = (void *)(dpc+1);
INIT_TQUEUE(task, acpi_os_schedule_exec, (void*)dpc);
if (schedule_task(&task) < 0) {
if (schedule_task(task) < 0) {
ACPI_DEBUG_PRINT ((ACPI_DB_ERROR, "Call to schedule_task() failed.\n"));
kfree(dpc);
status = AE_ERROR;
}
}
break;
default:
/*
* Allocate/initialize DPC structure. Note that this memory will be
......
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