scc.c (ad34ea2cc3845ef4dcd7d12fb0fa8484734bd672) scc.c (b03efcfb2180289718991bb984044ce6c5b7d1b0)
1#define RCS_ID "$Id: scc.c,v 1.75 1998/11/04 15:15:01 jreuter Exp jreuter $"
2
3#define VERSION "3.0"
4
5/*
6 * Please use z8530drv-utils-3.0 with this version.
7 * ------------------
8 *

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299
300 spin_lock_irqsave(&scc->lock, flags);
301 if (scc->tx_buff != NULL)
302 {
303 dev_kfree_skb(scc->tx_buff);
304 scc->tx_buff = NULL;
305 }
306
1#define RCS_ID "$Id: scc.c,v 1.75 1998/11/04 15:15:01 jreuter Exp jreuter $"
2
3#define VERSION "3.0"
4
5/*
6 * Please use z8530drv-utils-3.0 with this version.
7 * ------------------
8 *

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299
300 spin_lock_irqsave(&scc->lock, flags);
301 if (scc->tx_buff != NULL)
302 {
303 dev_kfree_skb(scc->tx_buff);
304 scc->tx_buff = NULL;
305 }
306
307 while (skb_queue_len(&scc->tx_queue))
307 while (!skb_queue_empty(&scc->tx_queue))
308 dev_kfree_skb(skb_dequeue(&scc->tx_queue));
309
310 spin_unlock_irqrestore(&scc->lock, flags);
311}
312
313
314
315/* ******************************************************************** */

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1121 */
1122
1123static void t_dwait(unsigned long channel)
1124{
1125 struct scc_channel *scc = (struct scc_channel *) channel;
1126
1127 if (scc->stat.tx_state == TXS_WAIT) /* maxkeyup or idle timeout */
1128 {
308 dev_kfree_skb(skb_dequeue(&scc->tx_queue));
309
310 spin_unlock_irqrestore(&scc->lock, flags);
311}
312
313
314
315/* ******************************************************************** */

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1121 */
1122
1123static void t_dwait(unsigned long channel)
1124{
1125 struct scc_channel *scc = (struct scc_channel *) channel;
1126
1127 if (scc->stat.tx_state == TXS_WAIT) /* maxkeyup or idle timeout */
1128 {
1129 if (skb_queue_len(&scc->tx_queue) == 0) /* nothing to send */
1130 {
1129 if (skb_queue_empty(&scc->tx_queue)) { /* nothing to send */
1131 scc->stat.tx_state = TXS_IDLE;
1132 netif_wake_queue(scc->dev); /* t_maxkeyup locked it. */
1133 return;
1134 }
1135
1136 scc->stat.tx_state = TXS_BUSY;
1137 }
1138

--- 1050 unchanged lines hidden --- 		1130 scc->stat.tx_state = TXS_IDLE;
1131 netif_wake_queue(scc->dev); /* t_maxkeyup locked it. */
1132 return;
1133 }
1134
1135 scc->stat.tx_state = TXS_BUSY;
1136 }
1137

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