* The location is detected during setup_arch(),
* in arch/i386/acpi/boot.c
*/
-u32 pmtmr_ioport;
+u32 pmtmr_ioport __read_mostly;
-#define ACPI_PM_MASK 0xFFFFFF /* limit it to 24 bits */
+#define ACPI_PM_MASK CLOCKSOURCE_MASK(24) /* limit it to 24 bits */
static inline u32 read_pmtmr(void)
{
/*
* It has been reported that because of various broken
* chipsets (ICH4, PIIX4 and PIIX4E) where the ACPI PM clock
- * source is not latched, so you must read it multiple
+ * source is not latched, you must read it multiple
* times to ensure a safe value is read:
*/
do {