staging: comedi: mite: remove mite_dma_tcr()

This exported function is not used by any of the comedi drivers. The
only call point in mite.c is commented out. Remove the unused function
and the export.
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>

drivers/staging/comedi/drivers/mite.c

@@ -285,7 +285,6 @@ void mite_dma_arm(struct mite_channel *mite_chan)
 	writel(chor, mite->mite_io_addr + MITE_CHOR(mite_chan->channel));
 	mmiowb();
 	spin_unlock_irqrestore(&mite->lock, flags);
-	/* mite_dma_tcr(mite, channel); */
 }
 EXPORT_SYMBOL_GPL(mite_dma_arm);
 
@@ -528,14 +527,6 @@ u32 mite_bytes_read_from_memory_ub(struct mite_channel *mite_chan)
 }
 EXPORT_SYMBOL_GPL(mite_bytes_read_from_memory_ub);
 
-unsigned int mite_dma_tcr(struct mite_channel *mite_chan)
-{
-	struct mite_struct *mite = mite_chan->mite;
-
-	return readl(mite->mite_io_addr + MITE_TCR(mite_chan->channel));
-}
-EXPORT_SYMBOL_GPL(mite_dma_tcr);
-
 void mite_dma_disarm(struct mite_channel *mite_chan)
 {
 	struct mite_struct *mite = mite_chan->mite;

drivers/staging/comedi/drivers/mite.h

@@ -92,7 +92,6 @@ mite_request_channel(struct mite_struct *mite,
 
 void mite_release_channel(struct mite_channel *mite_chan);
 
-unsigned int mite_dma_tcr(struct mite_channel *mite_chan);
 void mite_dma_arm(struct mite_channel *mite_chan);
 void mite_dma_disarm(struct mite_channel *mite_chan);
 int mite_sync_input_dma(struct mite_channel *mite_chan,