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staging: comedi: mite: return void from mite_ack_linkc()

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Currently this function returns the value read from the mite channel
status register. None of the callers use, or need, the returned value.

For aesthetics, change the return to void.

Signed-off-by: H Hartley Sweeten <hsweeten@visionengravers.com>
Reviewed-by: Ian Abbott <abbotti@mev.co.uk>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
H Hartley Sweeten 2016-04-21 12:04:45 -07:00 committed by Greg Kroah-Hartman
parent f7d005c33c
commit 0c912e5c9c
2 changed files with 5 additions and 7 deletions
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8
drivers/staging/comedi/drivers/mite.c
View File

@ -778,9 +778,9 @@ static unsigned int mite_get_status(struct mite_channel *mite_chan)
return status;
}
unsigned int mite_ack_linkc(struct mite_channel *mite_chan,
struct comedi_subdevice *s,
bool sync)
void mite_ack_linkc(struct mite_channel *mite_chan,
struct comedi_subdevice *s,
bool sync)
{
struct mite_struct *mite = mite_chan->mite;
unsigned int status;
@ -799,8 +799,6 @@ unsigned int mite_ack_linkc(struct mite_channel *mite_chan,
"mite: transfer error %08x\n", status);
s->async->events |= COMEDI_CB_ERROR;
}
return status;
}
EXPORT_SYMBOL_GPL(mite_ack_linkc);

4
drivers/staging/comedi/drivers/mite.h
View File

@ -93,8 +93,8 @@ void mite_dma_arm(struct mite_channel *mite_chan);
void mite_dma_disarm(struct mite_channel *mite_chan);
void mite_sync_dma(struct mite_channel *mite_chan, struct comedi_subdevice *s);
u32 mite_bytes_in_transit(struct mite_channel *mite_chan);
unsigned int mite_ack_linkc(struct mite_channel *, struct comedi_subdevice *,
bool sync);
void mite_ack_linkc(struct mite_channel *, struct comedi_subdevice *,
bool sync);
int mite_done(struct mite_channel *mite_chan);
void mite_prep_dma(struct mite_channel *mite_chan,