Merge branch 'for-linus' of master.kernel.org:/pub/scm/linux/kernel/git/jikos/hid

[linux-2.6] / drivers / acpi / osl.c

diff --git a/drivers/acpi/osl.c b/drivers/acpi/osl.c
index a28f5b8972b42c6c589a2fd24126308fb4fecbe2..971eca4864fab3223bc68d97cd032a56d428f4ea 100644 (file)
--- a/drivers/acpi/osl.c
+++ b/drivers/acpi/osl.c
@@ -46,7 +46,7 @@
 #include <linux/efi.h>
 
 #define _COMPONENT             ACPI_OS_SERVICES
-ACPI_MODULE_NAME("osl")
+ACPI_MODULE_NAME("osl");
 #define PREFIX         "ACPI: "
 struct acpi_os_dpc {
        acpi_osd_exec_callback function;
@@ -68,14 +68,59 @@ EXPORT_SYMBOL(acpi_in_debugger);
 extern char line_buf[80];
 #endif                         /*ENABLE_DEBUGGER */
 
-int acpi_specific_hotkey_enabled = TRUE;
-EXPORT_SYMBOL(acpi_specific_hotkey_enabled);
-
 static unsigned int acpi_irq_irq;
 static acpi_osd_handler acpi_irq_handler;
 static void *acpi_irq_context;
 static struct workqueue_struct *kacpid_wq;
 
+static void __init acpi_request_region (struct acpi_generic_address *addr,
+       unsigned int length, char *desc)
+{
+       struct resource *res;
+
+       if (!addr->address || !length)
+               return;
+
+       if (addr->space_id == ACPI_ADR_SPACE_SYSTEM_IO)
+               res = request_region(addr->address, length, desc);
+       else if (addr->space_id == ACPI_ADR_SPACE_SYSTEM_MEMORY)
+               res = request_mem_region(addr->address, length, desc);
+}
+
+static int __init acpi_reserve_resources(void)
+{
+       acpi_request_region(&acpi_gbl_FADT.xpm1a_event_block, acpi_gbl_FADT.pm1_event_length,
+               "ACPI PM1a_EVT_BLK");
+
+       acpi_request_region(&acpi_gbl_FADT.xpm1b_event_block, acpi_gbl_FADT.pm1_event_length,
+               "ACPI PM1b_EVT_BLK");
+
+       acpi_request_region(&acpi_gbl_FADT.xpm1a_control_block, acpi_gbl_FADT.pm1_control_length,
+               "ACPI PM1a_CNT_BLK");
+
+       acpi_request_region(&acpi_gbl_FADT.xpm1b_control_block, acpi_gbl_FADT.pm1_control_length,
+               "ACPI PM1b_CNT_BLK");
+
+       if (acpi_gbl_FADT.pm_timer_length == 4)
+               acpi_request_region(&acpi_gbl_FADT.xpm_timer_block, 4, "ACPI PM_TMR");
+
+       acpi_request_region(&acpi_gbl_FADT.xpm2_control_block, acpi_gbl_FADT.pm2_control_length,
+               "ACPI PM2_CNT_BLK");
+
+       /* Length of GPE blocks must be a non-negative multiple of 2 */
+
+       if (!(acpi_gbl_FADT.gpe0_block_length & 0x1))
+               acpi_request_region(&acpi_gbl_FADT.xgpe0_block,
+                              acpi_gbl_FADT.gpe0_block_length, "ACPI GPE0_BLK");
+
+       if (!(acpi_gbl_FADT.gpe1_block_length & 0x1))
+               acpi_request_region(&acpi_gbl_FADT.xgpe1_block,
+                              acpi_gbl_FADT.gpe1_block_length, "ACPI GPE1_BLK");
+
+       return 0;
+}
+device_initcall(acpi_reserve_resources);
+
 acpi_status acpi_os_initialize(void)
 {
        return AE_OK;
@@ -157,7 +202,7 @@ void __iomem *acpi_os_map_memory(acpi_physical_address phys, acpi_size size)
 {
        if (phys > ULONG_MAX) {
                printk(KERN_ERR PREFIX "Cannot map memory that high\n");
-               return 0;
+               return NULL;
        }
        if (acpi_gbl_permanent_mmap)
                /*
@@ -842,26 +887,6 @@ u32 acpi_os_get_line(char *buffer)
 }
 #endif                         /*  ACPI_FUTURE_USAGE  */
 
-/* Assumes no unreadable holes inbetween */
-u8 acpi_os_readable(void *ptr, acpi_size len)
-{
-#if defined(__i386__) || defined(__x86_64__)
-       char tmp;
-       return !__get_user(tmp, (char __user *)ptr)
-           && !__get_user(tmp, (char __user *)ptr + len - 1);
-#endif
-       return 1;
-}
-
-#ifdef ACPI_FUTURE_USAGE
-u8 acpi_os_writable(void *ptr, acpi_size len)
-{
-       /* could do dummy write (racy) or a kernel page table lookup.
-          The later may be difficult at early boot when kmap doesn't work yet. */
-       return 1;
-}
-#endif
-
 acpi_status acpi_os_signal(u32 function, void *info)
 {
        switch (function) {
@@ -964,14 +989,6 @@ static int __init acpi_wake_gpes_always_on_setup(char *str)
 
 __setup("acpi_wake_gpes_always_on", acpi_wake_gpes_always_on_setup);
 
-static int __init acpi_hotkey_setup(char *str)
-{
-       acpi_specific_hotkey_enabled = FALSE;
-       return 1;
-}
-
-__setup("acpi_generic_hotkey", acpi_hotkey_setup);
-
 /*
  * max_cstate is defined in the base kernel so modules can
  * change it w/o depending on the state of the processor module.