ACPI: Enable MSR (FixedHW) support for T-States

[linux-2.6-omap-h63xx.git] / drivers / acpi / osl.c

diff --git a/drivers/acpi/osl.c b/drivers/acpi/osl.c
index 352cf81af5818de3569848038714052cbfd0353d..e3a673a008453dfda694aab503dad0c89b19cb1e 100644 (file)
--- a/drivers/acpi/osl.c
+++ b/drivers/acpi/osl.c
@@ -387,17 +387,14 @@ acpi_status acpi_os_read_port(acpi_io_address port, u32 * value, u32 width)
        if (!value)
                value = &dummy;
 
-       switch (width) {
-       case 8:
+       *value = 0;
+       if (width <= 8) {
                *(u8 *) value = inb(port);
-               break;
-       case 16:
+       } else if (width <= 16) {
                *(u16 *) value = inw(port);
-               break;
-       case 32:
+       } else if (width <= 32) {
                *(u32 *) value = inl(port);
-               break;
-       default:
+       } else {
                BUG();
        }
 
@@ -408,17 +405,13 @@ EXPORT_SYMBOL(acpi_os_read_port);
 
 acpi_status acpi_os_write_port(acpi_io_address port, u32 value, u32 width)
 {
-       switch (width) {
-       case 8:
+       if (width <= 8) {
                outb(value, port);
-               break;
-       case 16:
+       } else if (width <= 16) {
                outw(value, port);
-               break;
-       case 32:
+       } else if (width <= 32) {
                outl(value, port);
-               break;
-       default:
+       } else {
                BUG();
        }
 
@@ -1042,14 +1035,6 @@ static int __init acpi_wake_gpes_always_on_setup(char *str)
 
 __setup("acpi_wake_gpes_always_on", acpi_wake_gpes_always_on_setup);
 
-/*
- * max_cstate is defined in the base kernel so modules can
- * change it w/o depending on the state of the processor module.
- */
-unsigned int max_cstate = ACPI_PROCESSOR_MAX_POWER;
-
-EXPORT_SYMBOL(max_cstate);
-
 /*
  * Acquire a spinlock.
  *