Merge remote-tracking branch 'pm/linux-next'

[karo-tx-linux.git] / drivers / acpi / osl.c

diff --git a/drivers/acpi/osl.c b/drivers/acpi/osl.c
index 7d0848190b75e758c1243893bed084c1075672fd..32d684af0ec7c8a36781e5b7e712c7dd0e65b241 100644 (file)
--- a/drivers/acpi/osl.c
+++ b/drivers/acpi/osl.c
@@ -66,8 +66,6 @@ struct acpi_os_dpc {
 /* stuff for debugger support */
 int acpi_in_debugger;
 EXPORT_SYMBOL(acpi_in_debugger);
-
-extern char line_buf[80];
 #endif                         /*ENABLE_DEBUGGER */
 
 static int (*__acpi_os_prepare_sleep)(u8 sleep_state, u32 pm1a_ctrl,
@@ -81,6 +79,7 @@ static struct workqueue_struct *kacpid_wq;
 static struct workqueue_struct *kacpi_notify_wq;
 static struct workqueue_struct *kacpi_hotplug_wq;
 static bool acpi_os_initialized;
+unsigned int acpi_sci_irq = INVALID_ACPI_IRQ;
 
 /*
  * This list of permanent mappings is for memory that may be accessed from
@@ -856,17 +855,19 @@ acpi_os_install_interrupt_handler(u32 gsi, acpi_osd_handler handler,
                acpi_irq_handler = NULL;
                return AE_NOT_ACQUIRED;
        }
+       acpi_sci_irq = irq;
 
        return AE_OK;
 }
 
-acpi_status acpi_os_remove_interrupt_handler(u32 irq, acpi_osd_handler handler)
+acpi_status acpi_os_remove_interrupt_handler(u32 gsi, acpi_osd_handler handler)
 {
-       if (irq != acpi_gbl_FADT.sci_interrupt)
+       if (gsi != acpi_gbl_FADT.sci_interrupt || !acpi_sci_irq_valid())
                return AE_BAD_PARAMETER;
 
-       free_irq(irq, acpi_irq);
+       free_irq(acpi_sci_irq, acpi_irq);
        acpi_irq_handler = NULL;
+       acpi_sci_irq = INVALID_ACPI_IRQ;
 
        return AE_OK;
 }
@@ -1180,8 +1181,8 @@ void acpi_os_wait_events_complete(void)
         * Make sure the GPE handler or the fixed event handler is not used
         * on another CPU after removal.
         */
-       if (acpi_irq_handler)
-               synchronize_hardirq(acpi_gbl_FADT.sci_interrupt);
+       if (acpi_sci_irq_valid())
+               synchronize_hardirq(acpi_sci_irq);
        flush_workqueue(kacpid_wq);
        flush_workqueue(kacpi_notify_wq);
 }
@@ -1345,15 +1346,13 @@ acpi_status acpi_os_signal_semaphore(acpi_handle handle, u32 units)
        return AE_OK;
 }
 
-#ifdef ACPI_FUTURE_USAGE
-u32 acpi_os_get_line(char *buffer)
+acpi_status acpi_os_get_line(char *buffer, u32 buffer_length, u32 *bytes_read)
 {
-
 #ifdef ENABLE_DEBUGGER
        if (acpi_in_debugger) {
                u32 chars;
 
-               kdb_read(buffer, sizeof(line_buf));
+               kdb_read(buffer, buffer_length);
 
                /* remove the CR kdb includes */
                chars = strlen(buffer) - 1;
@@ -1361,9 +1360,8 @@ u32 acpi_os_get_line(char *buffer)
        }
 #endif
 
-       return 0;
+       return AE_OK;
 }
-#endif                         /*  ACPI_FUTURE_USAGE  */
 
 acpi_status acpi_os_signal(u32 function, void *info)
 {