Commit fc7a6209d571 ("bus: Make remove callback return
void") forces bus_type::remove be void-returned, it doesn't
make much sense for any bus based driver implementing remove
callbalk to return non-void to its caller.

This change is for macio bus based drivers.

Signed-off-by: Dawei Li <redacted>
---
 arch/powerpc/include/asm/macio.h                | 12 ++++++------
 drivers/ata/pata_macio.c                        |  4 +---
 drivers/macintosh/rack-meter.c                  |  4 +---
 drivers/net/ethernet/apple/bmac.c               |  4 +---
 drivers/net/ethernet/apple/mace.c               |  4 +---
 drivers/net/wireless/intersil/orinoco/airport.c |  4 +---
 drivers/scsi/mac53c94.c                         |  5 +----
 drivers/scsi/mesh.c                             |  5 +----
 drivers/tty/serial/pmac_zilog.c                 |  7 ++-----
 sound/aoa/soundbus/i2sbus/core.c                |  4 +---
 10 files changed, 16 insertions(+), 37 deletions(-)

diff --git a/arch/powerpc/include/asm/macio.h b/arch/powerpc/include/asm/macio.h
index ff5fd82d9ff0..f641c730c3b7 100644
--- a/arch/powerpc/include/asm/macio.h
+++ b/arch/powerpc/include/asm/macio.h

@@ -124,15 +124,15 @@ static inline struct pci_dev *macio_get_pci_dev(struct macio_dev *mdev)
  */
 struct macio_driver
 {
-	int	(*probe)(struct macio_dev* dev, const struct of_device_id *match);
-	int	(*remove)(struct macio_dev* dev);
+	int	(*probe)(struct macio_dev *dev, const struct of_device_id *match);
+	void	(*remove)(struct macio_dev *dev);