V4L/DVB: DVB: Export dvb_ringbuffer_flush() again

Add EXPORT_SYMBOL(dvb_ringbuffer_flush) again,
replace my_dvb_ringbuffer_flush() in ngene driver.

Signed-off-by: Oliver Endriss <o.endriss@gmx.de>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>

drivers/media/dvb/dvb-core/dvb_ringbuffer.c

@@ -89,6 +89,7 @@ void dvb_ringbuffer_flush(struct dvb_ringbuffer *rbuf)
 	rbuf->pread = rbuf->pwrite;
 	rbuf->error = 0;
 }
+EXPORT_SYMBOL(dvb_ringbuffer_flush);
 
 void dvb_ringbuffer_reset(struct dvb_ringbuffer *rbuf)
 {

drivers/media/dvb/ngene/ngene-core.c

@@ -76,18 +76,6 @@ DVB_DEFINE_MOD_OPT_ADAPTER_NR(adapter_nr);
 #define ngcpyfrom(dst, adr, count) memcpy_fromio((dst), (char *) \
 				   (dev->iomem + (adr)), (count))
 
-/****************************************************************************/
-/* Functions with missing kernel exports ************************************/
-/****************************************************************************/
-
-/* yeah, let's throw out all exports which are not used in kernel ... */
-
-void my_dvb_ringbuffer_flush(struct dvb_ringbuffer *rbuf)
-{
-	rbuf->pread = rbuf->pwrite;
-	rbuf->error = 0;
-}
-
 /****************************************************************************/
 /* nGene interrupt handler **************************************************/
 /****************************************************************************/
@@ -1518,7 +1506,7 @@ static void set_transfer(struct ngene_channel *chan, int state)
 
 		/* printk(KERN_INFO DEVICE_NAME ": lock=%08x\n",
 			  ngreadl(0x9310)); */
-		my_dvb_ringbuffer_flush(&dev->tsout_rbuf);
+		dvb_ringbuffer_flush(&dev->tsout_rbuf);
 		control = 0x80;
 		if (chan->mode & (NGENE_IO_TSIN | NGENE_IO_TSOUT)) {
 			chan->Capture1Length = 512 * 188;
@@ -1549,7 +1537,7 @@ static void set_transfer(struct ngene_channel *chan, int state)
 	if (!state) {
 		spin_lock_irq(&chan->state_lock);
 		chan->pBufferExchange = 0;
-		my_dvb_ringbuffer_flush(&dev->tsout_rbuf);
+		dvb_ringbuffer_flush(&dev->tsout_rbuf);
 		spin_unlock_irq(&chan->state_lock);
 	}
 }