ACPI: processor: idle: Drop unnecessary statements and parens

Drop a redundant "else", a "return" statement at the end of a void
function and redundant parentheses around an unsigent int variable
name from the ACPI processor idle driver.

No expected functional impact.

Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>

diff --git a/drivers/acpi/processor_idle.c b/drivers/acpi/processor_idle.c
index fc5b5b2..7bf882f 100644 (file)
--- a/drivers/acpi/processor_idle.c
+++ b/drivers/acpi/processor_idle.c
@@ -324,7 +324,7 @@ static void acpi_processor_power_verify_c3(struct acpi_processor *pr,
         * the erratum), but this is known to disrupt certain ISA
         * devices thus we take the conservative approach.
         */
-       else if (errata.piix4.fdma) {
+       if (errata.piix4.fdma) {
                acpi_handle_debug(pr->handle,
                                  "C3 not supported on PIIX4 with Type-F DMA\n");
                return;
@@ -384,8 +384,6 @@ static void acpi_processor_power_verify_c3(struct acpi_processor *pr,
         * handle BM_RLD is to set it and leave it set.
         */
        acpi_write_bit_register(ACPI_BITREG_BUS_MASTER_RLD, 1);
-
-       return;
 }
 
 static int acpi_cst_latency_cmp(const void *a, const void *b)
@@ -459,7 +457,7 @@ static int acpi_processor_power_verify(struct acpi_processor *pr)
 
        lapic_timer_propagate_broadcast(pr);
 
-       return (working);
+       return working;
 }
 
 static int acpi_processor_get_cstate_info(struct acpi_processor *pr)