ACPI: Mark expected switch fall-throughs

In preparation to enabling -Wimplicit-fallthrough, mark switch cases
where we are expecting to fall through.

Signed-off-by: Gustavo A. R. Silva <garsilva@embeddedor.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>

diff --git a/drivers/acpi/ac.c b/drivers/acpi/ac.c
index 8f52483219ba109625792c24cc29e490068ea209..47a7ed557bd645924a6cfe112e8f712dfc18a6b9 100644 (file)
--- a/drivers/acpi/ac.c
+++ b/drivers/acpi/ac.c
@@ -265,6 +265,7 @@ static void acpi_ac_notify(struct acpi_device *device, u32 event)
        default:
                ACPI_DEBUG_PRINT((ACPI_DB_INFO,
                                  "Unsupported event [0x%x]\n", event));
+       /* fall through */
        case ACPI_AC_NOTIFY_STATUS:
        case ACPI_NOTIFY_BUS_CHECK:
        case ACPI_NOTIFY_DEVICE_CHECK:

diff --git a/drivers/acpi/acpi_processor.c b/drivers/acpi/acpi_processor.c
index 86c10599d9f83e86517aa436d6d93f78839e0f5f..449d86d39965e6090a518eab4f9c18aa9f2f6852 100644 (file)
--- a/drivers/acpi/acpi_processor.c
+++ b/drivers/acpi/acpi_processor.c
@@ -82,6 +82,7 @@ static int acpi_processor_errata_piix4(struct pci_dev *dev)
                 * PIIX4 models.
                 */
                errata.piix4.throttle = 1;
+               /* fall through*/
 
        case 2:         /* PIIX4E */
        case 3:         /* PIIX4M */

diff --git a/drivers/acpi/dock.c b/drivers/acpi/dock.c
index 2305e1ab978ea0e09f6a7eb8cdb4e3dc78b0533e..e3fc1f045e1cd96cf67dec8d069f7d21c3a6c30d 100644 (file)
--- a/drivers/acpi/dock.c
+++ b/drivers/acpi/dock.c
@@ -482,6 +482,7 @@ int dock_notify(struct acpi_device *adev, u32 event)
                surprise_removal = 1;
                event = ACPI_NOTIFY_EJECT_REQUEST;
                /* Fall back */
+               /* fall through */
        case ACPI_NOTIFY_EJECT_REQUEST:
                begin_undock(ds);
                if ((immediate_undock && !(ds->flags & DOCK_IS_ATA))

diff --git a/drivers/acpi/resource.c b/drivers/acpi/resource.c
index d85e010ee2cced7b840ebe59fc41a4830bef74e4..316a0fc785e3629a4bdd6dadd031cbe6691cec70 100644 (file)
--- a/drivers/acpi/resource.c
+++ b/drivers/acpi/resource.c
@@ -381,6 +381,7 @@ unsigned int acpi_dev_get_irq_type(int triggering, int polarity)
        case ACPI_ACTIVE_BOTH:
                if (triggering == ACPI_EDGE_SENSITIVE)
                        return IRQ_TYPE_EDGE_BOTH;
+               /* fall through */
        default:
                return IRQ_TYPE_NONE;
        }