i2c: designware-pcidrv: Mark expected switch fall-through

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

Signed-off-by: Gustavo A. R. Silva <gustavo@embeddedor.com>
Acked-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Signed-off-by: Wolfram Sang <wsa@the-dreams.de>

diff --git a/drivers/i2c/busses/i2c-designware-pcidrv.c b/drivers/i2c/busses/i2c-designware-pcidrv.c
index 86e1bd0b82e91ac6a17d081e3dd626aa252a8652..b4997be62f0397de3c06b8ef750d244f0253c015 100644 (file)
--- a/drivers/i2c/busses/i2c-designware-pcidrv.c
+++ b/drivers/i2c/busses/i2c-designware-pcidrv.c
@@ -105,6 +105,7 @@ static int mfld_setup(struct pci_dev *pdev, struct dw_pci_controller *c)
        case 0x0817:
                c->bus_cfg &= ~DW_IC_CON_SPEED_MASK;
                c->bus_cfg |= DW_IC_CON_SPEED_STD;
+               /* fall through */
        case 0x0818:
        case 0x0819:
                c->bus_num = pdev->device - 0x817 + 3;