diff options
Diffstat (limited to 'drivers')
-rw-r--r-- | drivers/dma/at_hdmac.c | 10 | ||||
-rw-r--r-- | drivers/dma/coh901318.c | 42 | ||||
-rw-r--r-- | drivers/dma/dmaengine.c | 2 | ||||
-rw-r--r-- | drivers/dma/dw_dmac.c | 10 | ||||
-rw-r--r-- | drivers/dma/fsldma.c | 13 | ||||
-rw-r--r-- | drivers/dma/ipu/ipu_idmac.c | 21 | ||||
-rw-r--r-- | drivers/dma/shdma.c | 12 | ||||
-rw-r--r-- | drivers/dma/timb_dma.c | 9 | ||||
-rw-r--r-- | drivers/dma/txx9dmac.c | 10 | ||||
-rw-r--r-- | drivers/mmc/host/atmel-mci.c | 2 | ||||
-rw-r--r-- | drivers/serial/sh-sci.c | 2 | ||||
-rw-r--r-- | drivers/video/mx3fb.c | 3 |
12 files changed, 98 insertions, 38 deletions
diff --git a/drivers/dma/at_hdmac.c b/drivers/dma/at_hdmac.c index efc1a61ca231..f9143cf9e50a 100644 --- a/drivers/dma/at_hdmac.c +++ b/drivers/dma/at_hdmac.c | |||
@@ -759,13 +759,17 @@ err_desc_get: | |||
759 | return NULL; | 759 | return NULL; |
760 | } | 760 | } |
761 | 761 | ||
762 | static void atc_terminate_all(struct dma_chan *chan) | 762 | static int atc_control(struct dma_chan *chan, enum dma_ctrl_cmd cmd) |
763 | { | 763 | { |
764 | struct at_dma_chan *atchan = to_at_dma_chan(chan); | 764 | struct at_dma_chan *atchan = to_at_dma_chan(chan); |
765 | struct at_dma *atdma = to_at_dma(chan->device); | 765 | struct at_dma *atdma = to_at_dma(chan->device); |
766 | struct at_desc *desc, *_desc; | 766 | struct at_desc *desc, *_desc; |
767 | LIST_HEAD(list); | 767 | LIST_HEAD(list); |
768 | 768 | ||
769 | /* Only supports DMA_TERMINATE_ALL */ | ||
770 | if (cmd != DMA_TERMINATE_ALL) | ||
771 | return -ENXIO; | ||
772 | |||
769 | /* | 773 | /* |
770 | * This is only called when something went wrong elsewhere, so | 774 | * This is only called when something went wrong elsewhere, so |
771 | * we don't really care about the data. Just disable the | 775 | * we don't really care about the data. Just disable the |
@@ -789,6 +793,8 @@ static void atc_terminate_all(struct dma_chan *chan) | |||
789 | /* Flush all pending and queued descriptors */ | 793 | /* Flush all pending and queued descriptors */ |
790 | list_for_each_entry_safe(desc, _desc, &list, desc_node) | 794 | list_for_each_entry_safe(desc, _desc, &list, desc_node) |
791 | atc_chain_complete(atchan, desc); | 795 | atc_chain_complete(atchan, desc); |
796 | |||
797 | return 0; | ||
792 | } | 798 | } |
793 | 799 | ||
794 | /** | 800 | /** |
@@ -1091,7 +1097,7 @@ static int __init at_dma_probe(struct platform_device *pdev) | |||
1091 | 1097 | ||
1092 | if (dma_has_cap(DMA_SLAVE, atdma->dma_common.cap_mask)) { | 1098 | if (dma_has_cap(DMA_SLAVE, atdma->dma_common.cap_mask)) { |
1093 | atdma->dma_common.device_prep_slave_sg = atc_prep_slave_sg; | 1099 | atdma->dma_common.device_prep_slave_sg = atc_prep_slave_sg; |
1094 | atdma->dma_common.device_terminate_all = atc_terminate_all; | 1100 | atdma->dma_common.device_control = atc_control; |
1095 | } | 1101 | } |
1096 | 1102 | ||
1097 | dma_writel(atdma, EN, AT_DMA_ENABLE); | 1103 | dma_writel(atdma, EN, AT_DMA_ENABLE); |
diff --git a/drivers/dma/coh901318.c b/drivers/dma/coh901318.c index f636c4a87c7f..53c54e034aa3 100644 --- a/drivers/dma/coh901318.c +++ b/drivers/dma/coh901318.c | |||
@@ -506,10 +506,11 @@ u32 coh901318_get_bytes_left(struct dma_chan *chan) | |||
506 | EXPORT_SYMBOL(coh901318_get_bytes_left); | 506 | EXPORT_SYMBOL(coh901318_get_bytes_left); |
507 | 507 | ||
508 | 508 | ||
509 | /* Stops a transfer without losing data. Enables power save. | 509 | /* |
510 | Use this function in conjunction with coh901318_continue(..) | 510 | * Pauses a transfer without losing data. Enables power save. |
511 | */ | 511 | * Use this function in conjunction with coh901318_resume. |
512 | void coh901318_stop(struct dma_chan *chan) | 512 | */ |
513 | static void coh901318_pause(struct dma_chan *chan) | ||
513 | { | 514 | { |
514 | u32 val; | 515 | u32 val; |
515 | unsigned long flags; | 516 | unsigned long flags; |
@@ -550,12 +551,11 @@ void coh901318_stop(struct dma_chan *chan) | |||
550 | 551 | ||
551 | spin_unlock_irqrestore(&cohc->lock, flags); | 552 | spin_unlock_irqrestore(&cohc->lock, flags); |
552 | } | 553 | } |
553 | EXPORT_SYMBOL(coh901318_stop); | ||
554 | 554 | ||
555 | /* Continues a transfer that has been stopped via 300_dma_stop(..). | 555 | /* Resumes a transfer that has been stopped via 300_dma_stop(..). |
556 | Power save is handled. | 556 | Power save is handled. |
557 | */ | 557 | */ |
558 | void coh901318_continue(struct dma_chan *chan) | 558 | static void coh901318_resume(struct dma_chan *chan) |
559 | { | 559 | { |
560 | u32 val; | 560 | u32 val; |
561 | unsigned long flags; | 561 | unsigned long flags; |
@@ -581,7 +581,6 @@ void coh901318_continue(struct dma_chan *chan) | |||
581 | 581 | ||
582 | spin_unlock_irqrestore(&cohc->lock, flags); | 582 | spin_unlock_irqrestore(&cohc->lock, flags); |
583 | } | 583 | } |
584 | EXPORT_SYMBOL(coh901318_continue); | ||
585 | 584 | ||
586 | bool coh901318_filter_id(struct dma_chan *chan, void *chan_id) | 585 | bool coh901318_filter_id(struct dma_chan *chan, void *chan_id) |
587 | { | 586 | { |
@@ -945,7 +944,7 @@ coh901318_free_chan_resources(struct dma_chan *chan) | |||
945 | 944 | ||
946 | spin_unlock_irqrestore(&cohc->lock, flags); | 945 | spin_unlock_irqrestore(&cohc->lock, flags); |
947 | 946 | ||
948 | chan->device->device_terminate_all(chan); | 947 | chan->device->device_control(chan, DMA_TERMINATE_ALL); |
949 | } | 948 | } |
950 | 949 | ||
951 | 950 | ||
@@ -1179,16 +1178,29 @@ coh901318_issue_pending(struct dma_chan *chan) | |||
1179 | spin_unlock_irqrestore(&cohc->lock, flags); | 1178 | spin_unlock_irqrestore(&cohc->lock, flags); |
1180 | } | 1179 | } |
1181 | 1180 | ||
1182 | static void | 1181 | static int |
1183 | coh901318_terminate_all(struct dma_chan *chan) | 1182 | coh901318_control(struct dma_chan *chan, enum dma_ctrl_cmd cmd) |
1184 | { | 1183 | { |
1185 | unsigned long flags; | 1184 | unsigned long flags; |
1186 | struct coh901318_chan *cohc = to_coh901318_chan(chan); | 1185 | struct coh901318_chan *cohc = to_coh901318_chan(chan); |
1187 | struct coh901318_desc *cohd; | 1186 | struct coh901318_desc *cohd; |
1188 | void __iomem *virtbase = cohc->base->virtbase; | 1187 | void __iomem *virtbase = cohc->base->virtbase; |
1189 | 1188 | ||
1190 | coh901318_stop(chan); | 1189 | if (cmd == DMA_PAUSE) { |
1190 | coh901318_pause(chan); | ||
1191 | return 0; | ||
1192 | } | ||
1193 | |||
1194 | if (cmd == DMA_RESUME) { | ||
1195 | coh901318_resume(chan); | ||
1196 | return 0; | ||
1197 | } | ||
1198 | |||
1199 | if (cmd != DMA_TERMINATE_ALL) | ||
1200 | return -ENXIO; | ||
1191 | 1201 | ||
1202 | /* The remainder of this function terminates the transfer */ | ||
1203 | coh901318_pause(chan); | ||
1192 | spin_lock_irqsave(&cohc->lock, flags); | 1204 | spin_lock_irqsave(&cohc->lock, flags); |
1193 | 1205 | ||
1194 | /* Clear any pending BE or TC interrupt */ | 1206 | /* Clear any pending BE or TC interrupt */ |
@@ -1227,6 +1239,8 @@ coh901318_terminate_all(struct dma_chan *chan) | |||
1227 | cohc->busy = 0; | 1239 | cohc->busy = 0; |
1228 | 1240 | ||
1229 | spin_unlock_irqrestore(&cohc->lock, flags); | 1241 | spin_unlock_irqrestore(&cohc->lock, flags); |
1242 | |||
1243 | return 0; | ||
1230 | } | 1244 | } |
1231 | void coh901318_base_init(struct dma_device *dma, const int *pick_chans, | 1245 | void coh901318_base_init(struct dma_device *dma, const int *pick_chans, |
1232 | struct coh901318_base *base) | 1246 | struct coh901318_base *base) |
@@ -1344,7 +1358,7 @@ static int __init coh901318_probe(struct platform_device *pdev) | |||
1344 | base->dma_slave.device_prep_slave_sg = coh901318_prep_slave_sg; | 1358 | base->dma_slave.device_prep_slave_sg = coh901318_prep_slave_sg; |
1345 | base->dma_slave.device_is_tx_complete = coh901318_is_tx_complete; | 1359 | base->dma_slave.device_is_tx_complete = coh901318_is_tx_complete; |
1346 | base->dma_slave.device_issue_pending = coh901318_issue_pending; | 1360 | base->dma_slave.device_issue_pending = coh901318_issue_pending; |
1347 | base->dma_slave.device_terminate_all = coh901318_terminate_all; | 1361 | base->dma_slave.device_control = coh901318_control; |
1348 | base->dma_slave.dev = &pdev->dev; | 1362 | base->dma_slave.dev = &pdev->dev; |
1349 | 1363 | ||
1350 | err = dma_async_device_register(&base->dma_slave); | 1364 | err = dma_async_device_register(&base->dma_slave); |
@@ -1364,7 +1378,7 @@ static int __init coh901318_probe(struct platform_device *pdev) | |||
1364 | base->dma_memcpy.device_prep_dma_memcpy = coh901318_prep_memcpy; | 1378 | base->dma_memcpy.device_prep_dma_memcpy = coh901318_prep_memcpy; |
1365 | base->dma_memcpy.device_is_tx_complete = coh901318_is_tx_complete; | 1379 | base->dma_memcpy.device_is_tx_complete = coh901318_is_tx_complete; |
1366 | base->dma_memcpy.device_issue_pending = coh901318_issue_pending; | 1380 | base->dma_memcpy.device_issue_pending = coh901318_issue_pending; |
1367 | base->dma_memcpy.device_terminate_all = coh901318_terminate_all; | 1381 | base->dma_memcpy.device_control = coh901318_control; |
1368 | base->dma_memcpy.dev = &pdev->dev; | 1382 | base->dma_memcpy.dev = &pdev->dev; |
1369 | /* | 1383 | /* |
1370 | * This controller can only access address at even 32bit boundaries, | 1384 | * This controller can only access address at even 32bit boundaries, |
diff --git a/drivers/dma/dmaengine.c b/drivers/dma/dmaengine.c index 87399cafce37..ffc4ee9c5e21 100644 --- a/drivers/dma/dmaengine.c +++ b/drivers/dma/dmaengine.c | |||
@@ -694,7 +694,7 @@ int dma_async_device_register(struct dma_device *device) | |||
694 | BUG_ON(dma_has_cap(DMA_SLAVE, device->cap_mask) && | 694 | BUG_ON(dma_has_cap(DMA_SLAVE, device->cap_mask) && |
695 | !device->device_prep_slave_sg); | 695 | !device->device_prep_slave_sg); |
696 | BUG_ON(dma_has_cap(DMA_SLAVE, device->cap_mask) && | 696 | BUG_ON(dma_has_cap(DMA_SLAVE, device->cap_mask) && |
697 | !device->device_terminate_all); | 697 | !device->device_control); |
698 | 698 | ||
699 | BUG_ON(!device->device_alloc_chan_resources); | 699 | BUG_ON(!device->device_alloc_chan_resources); |
700 | BUG_ON(!device->device_free_chan_resources); | 700 | BUG_ON(!device->device_free_chan_resources); |
diff --git a/drivers/dma/dw_dmac.c b/drivers/dma/dw_dmac.c index d28369f7afd2..8a6b85f61176 100644 --- a/drivers/dma/dw_dmac.c +++ b/drivers/dma/dw_dmac.c | |||
@@ -781,13 +781,17 @@ err_desc_get: | |||
781 | return NULL; | 781 | return NULL; |
782 | } | 782 | } |
783 | 783 | ||
784 | static void dwc_terminate_all(struct dma_chan *chan) | 784 | static int dwc_control(struct dma_chan *chan, enum dma_ctrl_cmd cmd) |
785 | { | 785 | { |
786 | struct dw_dma_chan *dwc = to_dw_dma_chan(chan); | 786 | struct dw_dma_chan *dwc = to_dw_dma_chan(chan); |
787 | struct dw_dma *dw = to_dw_dma(chan->device); | 787 | struct dw_dma *dw = to_dw_dma(chan->device); |
788 | struct dw_desc *desc, *_desc; | 788 | struct dw_desc *desc, *_desc; |
789 | LIST_HEAD(list); | 789 | LIST_HEAD(list); |
790 | 790 | ||
791 | /* Only supports DMA_TERMINATE_ALL */ | ||
792 | if (cmd != DMA_TERMINATE_ALL) | ||
793 | return -ENXIO; | ||
794 | |||
791 | /* | 795 | /* |
792 | * This is only called when something went wrong elsewhere, so | 796 | * This is only called when something went wrong elsewhere, so |
793 | * we don't really care about the data. Just disable the | 797 | * we don't really care about the data. Just disable the |
@@ -810,6 +814,8 @@ static void dwc_terminate_all(struct dma_chan *chan) | |||
810 | /* Flush all pending and queued descriptors */ | 814 | /* Flush all pending and queued descriptors */ |
811 | list_for_each_entry_safe(desc, _desc, &list, desc_node) | 815 | list_for_each_entry_safe(desc, _desc, &list, desc_node) |
812 | dwc_descriptor_complete(dwc, desc); | 816 | dwc_descriptor_complete(dwc, desc); |
817 | |||
818 | return 0; | ||
813 | } | 819 | } |
814 | 820 | ||
815 | static enum dma_status | 821 | static enum dma_status |
@@ -1338,7 +1344,7 @@ static int __init dw_probe(struct platform_device *pdev) | |||
1338 | dw->dma.device_prep_dma_memcpy = dwc_prep_dma_memcpy; | 1344 | dw->dma.device_prep_dma_memcpy = dwc_prep_dma_memcpy; |
1339 | 1345 | ||
1340 | dw->dma.device_prep_slave_sg = dwc_prep_slave_sg; | 1346 | dw->dma.device_prep_slave_sg = dwc_prep_slave_sg; |
1341 | dw->dma.device_terminate_all = dwc_terminate_all; | 1347 | dw->dma.device_control = dwc_control; |
1342 | 1348 | ||
1343 | dw->dma.device_is_tx_complete = dwc_is_tx_complete; | 1349 | dw->dma.device_is_tx_complete = dwc_is_tx_complete; |
1344 | dw->dma.device_issue_pending = dwc_issue_pending; | 1350 | dw->dma.device_issue_pending = dwc_issue_pending; |
diff --git a/drivers/dma/fsldma.c b/drivers/dma/fsldma.c index bbb4be5a3ff4..714fc46e7695 100644 --- a/drivers/dma/fsldma.c +++ b/drivers/dma/fsldma.c | |||
@@ -774,13 +774,18 @@ fail: | |||
774 | return NULL; | 774 | return NULL; |
775 | } | 775 | } |
776 | 776 | ||
777 | static void fsl_dma_device_terminate_all(struct dma_chan *dchan) | 777 | static int fsl_dma_device_control(struct dma_chan *dchan, |
778 | enum dma_ctrl_cmd cmd) | ||
778 | { | 779 | { |
779 | struct fsldma_chan *chan; | 780 | struct fsldma_chan *chan; |
780 | unsigned long flags; | 781 | unsigned long flags; |
781 | 782 | ||
783 | /* Only supports DMA_TERMINATE_ALL */ | ||
784 | if (cmd != DMA_TERMINATE_ALL) | ||
785 | return -ENXIO; | ||
786 | |||
782 | if (!dchan) | 787 | if (!dchan) |
783 | return; | 788 | return -EINVAL; |
784 | 789 | ||
785 | chan = to_fsl_chan(dchan); | 790 | chan = to_fsl_chan(dchan); |
786 | 791 | ||
@@ -794,6 +799,8 @@ static void fsl_dma_device_terminate_all(struct dma_chan *dchan) | |||
794 | fsldma_free_desc_list(chan, &chan->ld_running); | 799 | fsldma_free_desc_list(chan, &chan->ld_running); |
795 | 800 | ||
796 | spin_unlock_irqrestore(&chan->desc_lock, flags); | 801 | spin_unlock_irqrestore(&chan->desc_lock, flags); |
802 | |||
803 | return 0; | ||
797 | } | 804 | } |
798 | 805 | ||
799 | /** | 806 | /** |
@@ -1332,7 +1339,7 @@ static int __devinit fsldma_of_probe(struct of_device *op, | |||
1332 | fdev->common.device_is_tx_complete = fsl_dma_is_complete; | 1339 | fdev->common.device_is_tx_complete = fsl_dma_is_complete; |
1333 | fdev->common.device_issue_pending = fsl_dma_memcpy_issue_pending; | 1340 | fdev->common.device_issue_pending = fsl_dma_memcpy_issue_pending; |
1334 | fdev->common.device_prep_slave_sg = fsl_dma_prep_slave_sg; | 1341 | fdev->common.device_prep_slave_sg = fsl_dma_prep_slave_sg; |
1335 | fdev->common.device_terminate_all = fsl_dma_device_terminate_all; | 1342 | fdev->common.device_control = fsl_dma_device_control; |
1336 | fdev->common.dev = &op->dev; | 1343 | fdev->common.dev = &op->dev; |
1337 | 1344 | ||
1338 | dev_set_drvdata(&op->dev, fdev); | 1345 | dev_set_drvdata(&op->dev, fdev); |
diff --git a/drivers/dma/ipu/ipu_idmac.c b/drivers/dma/ipu/ipu_idmac.c index 2a446397c884..39e7fb2a90e3 100644 --- a/drivers/dma/ipu/ipu_idmac.c +++ b/drivers/dma/ipu/ipu_idmac.c | |||
@@ -1472,13 +1472,17 @@ static void idmac_issue_pending(struct dma_chan *chan) | |||
1472 | */ | 1472 | */ |
1473 | } | 1473 | } |
1474 | 1474 | ||
1475 | static void __idmac_terminate_all(struct dma_chan *chan) | 1475 | static int __idmac_control(struct dma_chan *chan, enum dma_ctrl_cmd cmd) |
1476 | { | 1476 | { |
1477 | struct idmac_channel *ichan = to_idmac_chan(chan); | 1477 | struct idmac_channel *ichan = to_idmac_chan(chan); |
1478 | struct idmac *idmac = to_idmac(chan->device); | 1478 | struct idmac *idmac = to_idmac(chan->device); |
1479 | unsigned long flags; | 1479 | unsigned long flags; |
1480 | int i; | 1480 | int i; |
1481 | 1481 | ||
1482 | /* Only supports DMA_TERMINATE_ALL */ | ||
1483 | if (cmd != DMA_TERMINATE_ALL) | ||
1484 | return -ENXIO; | ||
1485 | |||
1482 | ipu_disable_channel(idmac, ichan, | 1486 | ipu_disable_channel(idmac, ichan, |
1483 | ichan->status >= IPU_CHANNEL_ENABLED); | 1487 | ichan->status >= IPU_CHANNEL_ENABLED); |
1484 | 1488 | ||
@@ -1505,17 +1509,22 @@ static void __idmac_terminate_all(struct dma_chan *chan) | |||
1505 | tasklet_enable(&to_ipu(idmac)->tasklet); | 1509 | tasklet_enable(&to_ipu(idmac)->tasklet); |
1506 | 1510 | ||
1507 | ichan->status = IPU_CHANNEL_INITIALIZED; | 1511 | ichan->status = IPU_CHANNEL_INITIALIZED; |
1512 | |||
1513 | return 0; | ||
1508 | } | 1514 | } |
1509 | 1515 | ||
1510 | static void idmac_terminate_all(struct dma_chan *chan) | 1516 | static int idmac_control(struct dma_chan *chan, enum dma_ctrl_cmd cmd) |
1511 | { | 1517 | { |
1512 | struct idmac_channel *ichan = to_idmac_chan(chan); | 1518 | struct idmac_channel *ichan = to_idmac_chan(chan); |
1519 | int ret; | ||
1513 | 1520 | ||
1514 | mutex_lock(&ichan->chan_mutex); | 1521 | mutex_lock(&ichan->chan_mutex); |
1515 | 1522 | ||
1516 | __idmac_terminate_all(chan); | 1523 | ret = __idmac_control(chan, cmd); |
1517 | 1524 | ||
1518 | mutex_unlock(&ichan->chan_mutex); | 1525 | mutex_unlock(&ichan->chan_mutex); |
1526 | |||
1527 | return ret; | ||
1519 | } | 1528 | } |
1520 | 1529 | ||
1521 | #ifdef DEBUG | 1530 | #ifdef DEBUG |
@@ -1607,7 +1616,7 @@ static void idmac_free_chan_resources(struct dma_chan *chan) | |||
1607 | 1616 | ||
1608 | mutex_lock(&ichan->chan_mutex); | 1617 | mutex_lock(&ichan->chan_mutex); |
1609 | 1618 | ||
1610 | __idmac_terminate_all(chan); | 1619 | __idmac_control(chan, DMA_TERMINATE_ALL); |
1611 | 1620 | ||
1612 | if (ichan->status > IPU_CHANNEL_FREE) { | 1621 | if (ichan->status > IPU_CHANNEL_FREE) { |
1613 | #ifdef DEBUG | 1622 | #ifdef DEBUG |
@@ -1669,7 +1678,7 @@ static int __init ipu_idmac_init(struct ipu *ipu) | |||
1669 | 1678 | ||
1670 | /* Compulsory for DMA_SLAVE fields */ | 1679 | /* Compulsory for DMA_SLAVE fields */ |
1671 | dma->device_prep_slave_sg = idmac_prep_slave_sg; | 1680 | dma->device_prep_slave_sg = idmac_prep_slave_sg; |
1672 | dma->device_terminate_all = idmac_terminate_all; | 1681 | dma->device_control = idmac_control; |
1673 | 1682 | ||
1674 | INIT_LIST_HEAD(&dma->channels); | 1683 | INIT_LIST_HEAD(&dma->channels); |
1675 | for (i = 0; i < IPU_CHANNELS_NUM; i++) { | 1684 | for (i = 0; i < IPU_CHANNELS_NUM; i++) { |
@@ -1703,7 +1712,7 @@ static void __exit ipu_idmac_exit(struct ipu *ipu) | |||
1703 | for (i = 0; i < IPU_CHANNELS_NUM; i++) { | 1712 | for (i = 0; i < IPU_CHANNELS_NUM; i++) { |
1704 | struct idmac_channel *ichan = ipu->channel + i; | 1713 | struct idmac_channel *ichan = ipu->channel + i; |
1705 | 1714 | ||
1706 | idmac_terminate_all(&ichan->dma_chan); | 1715 | idmac_control(&ichan->dma_chan, DMA_TERMINATE_ALL); |
1707 | idmac_prep_slave_sg(&ichan->dma_chan, NULL, 0, DMA_NONE, 0); | 1716 | idmac_prep_slave_sg(&ichan->dma_chan, NULL, 0, DMA_NONE, 0); |
1708 | } | 1717 | } |
1709 | 1718 | ||
diff --git a/drivers/dma/shdma.c b/drivers/dma/shdma.c index 5d17e09cb625..ce28c1e22825 100644 --- a/drivers/dma/shdma.c +++ b/drivers/dma/shdma.c | |||
@@ -580,12 +580,16 @@ static struct dma_async_tx_descriptor *sh_dmae_prep_slave_sg( | |||
580 | direction, flags); | 580 | direction, flags); |
581 | } | 581 | } |
582 | 582 | ||
583 | static void sh_dmae_terminate_all(struct dma_chan *chan) | 583 | static int sh_dmae_control(struct dma_chan *chan, enum dma_ctrl_cmd cmd) |
584 | { | 584 | { |
585 | struct sh_dmae_chan *sh_chan = to_sh_chan(chan); | 585 | struct sh_dmae_chan *sh_chan = to_sh_chan(chan); |
586 | 586 | ||
587 | /* Only supports DMA_TERMINATE_ALL */ | ||
588 | if (cmd != DMA_TERMINATE_ALL) | ||
589 | return -ENXIO; | ||
590 | |||
587 | if (!chan) | 591 | if (!chan) |
588 | return; | 592 | return -EINVAL; |
589 | 593 | ||
590 | dmae_halt(sh_chan); | 594 | dmae_halt(sh_chan); |
591 | 595 | ||
@@ -601,6 +605,8 @@ static void sh_dmae_terminate_all(struct dma_chan *chan) | |||
601 | spin_unlock_bh(&sh_chan->desc_lock); | 605 | spin_unlock_bh(&sh_chan->desc_lock); |
602 | 606 | ||
603 | sh_dmae_chan_ld_cleanup(sh_chan, true); | 607 | sh_dmae_chan_ld_cleanup(sh_chan, true); |
608 | |||
609 | return 0; | ||
604 | } | 610 | } |
605 | 611 | ||
606 | static dma_async_tx_callback __ld_cleanup(struct sh_dmae_chan *sh_chan, bool all) | 612 | static dma_async_tx_callback __ld_cleanup(struct sh_dmae_chan *sh_chan, bool all) |
@@ -1029,7 +1035,7 @@ static int __init sh_dmae_probe(struct platform_device *pdev) | |||
1029 | 1035 | ||
1030 | /* Compulsory for DMA_SLAVE fields */ | 1036 | /* Compulsory for DMA_SLAVE fields */ |
1031 | shdev->common.device_prep_slave_sg = sh_dmae_prep_slave_sg; | 1037 | shdev->common.device_prep_slave_sg = sh_dmae_prep_slave_sg; |
1032 | shdev->common.device_terminate_all = sh_dmae_terminate_all; | 1038 | shdev->common.device_control = sh_dmae_control; |
1033 | 1039 | ||
1034 | shdev->common.dev = &pdev->dev; | 1040 | shdev->common.dev = &pdev->dev; |
1035 | /* Default transfer size of 32 bytes requires 32-byte alignment */ | 1041 | /* Default transfer size of 32 bytes requires 32-byte alignment */ |
diff --git a/drivers/dma/timb_dma.c b/drivers/dma/timb_dma.c index 145f1c23408f..7c06471ef863 100644 --- a/drivers/dma/timb_dma.c +++ b/drivers/dma/timb_dma.c | |||
@@ -613,7 +613,7 @@ static struct dma_async_tx_descriptor *td_prep_slave_sg(struct dma_chan *chan, | |||
613 | return &td_desc->txd; | 613 | return &td_desc->txd; |
614 | } | 614 | } |
615 | 615 | ||
616 | static void td_terminate_all(struct dma_chan *chan) | 616 | static int td_control(struct dma_chan *chan, enum dma_ctrl_cmd cmd) |
617 | { | 617 | { |
618 | struct timb_dma_chan *td_chan = | 618 | struct timb_dma_chan *td_chan = |
619 | container_of(chan, struct timb_dma_chan, chan); | 619 | container_of(chan, struct timb_dma_chan, chan); |
@@ -621,6 +621,9 @@ static void td_terminate_all(struct dma_chan *chan) | |||
621 | 621 | ||
622 | dev_dbg(chan2dev(chan), "%s: Entry\n", __func__); | 622 | dev_dbg(chan2dev(chan), "%s: Entry\n", __func__); |
623 | 623 | ||
624 | if (cmd != DMA_TERMINATE_ALL) | ||
625 | return -ENXIO; | ||
626 | |||
624 | /* first the easy part, put the queue into the free list */ | 627 | /* first the easy part, put the queue into the free list */ |
625 | spin_lock_bh(&td_chan->lock); | 628 | spin_lock_bh(&td_chan->lock); |
626 | list_for_each_entry_safe(td_desc, _td_desc, &td_chan->queue, | 629 | list_for_each_entry_safe(td_desc, _td_desc, &td_chan->queue, |
@@ -630,6 +633,8 @@ static void td_terminate_all(struct dma_chan *chan) | |||
630 | /* now tear down the runnning */ | 633 | /* now tear down the runnning */ |
631 | __td_finish(td_chan); | 634 | __td_finish(td_chan); |
632 | spin_unlock_bh(&td_chan->lock); | 635 | spin_unlock_bh(&td_chan->lock); |
636 | |||
637 | return 0; | ||
633 | } | 638 | } |
634 | 639 | ||
635 | static void td_tasklet(unsigned long data) | 640 | static void td_tasklet(unsigned long data) |
@@ -743,7 +748,7 @@ static int __devinit td_probe(struct platform_device *pdev) | |||
743 | dma_cap_set(DMA_SLAVE, td->dma.cap_mask); | 748 | dma_cap_set(DMA_SLAVE, td->dma.cap_mask); |
744 | dma_cap_set(DMA_PRIVATE, td->dma.cap_mask); | 749 | dma_cap_set(DMA_PRIVATE, td->dma.cap_mask); |
745 | td->dma.device_prep_slave_sg = td_prep_slave_sg; | 750 | td->dma.device_prep_slave_sg = td_prep_slave_sg; |
746 | td->dma.device_terminate_all = td_terminate_all; | 751 | td->dma.device_control = td_control; |
747 | 752 | ||
748 | td->dma.dev = &pdev->dev; | 753 | td->dma.dev = &pdev->dev; |
749 | 754 | ||
diff --git a/drivers/dma/txx9dmac.c b/drivers/dma/txx9dmac.c index 3ebc61067e54..e528e15f44ab 100644 --- a/drivers/dma/txx9dmac.c +++ b/drivers/dma/txx9dmac.c | |||
@@ -938,12 +938,16 @@ txx9dmac_prep_slave_sg(struct dma_chan *chan, struct scatterlist *sgl, | |||
938 | return &first->txd; | 938 | return &first->txd; |
939 | } | 939 | } |
940 | 940 | ||
941 | static void txx9dmac_terminate_all(struct dma_chan *chan) | 941 | static int txx9dmac_control(struct dma_chan *chan, enum dma_ctrl_cmd cmd) |
942 | { | 942 | { |
943 | struct txx9dmac_chan *dc = to_txx9dmac_chan(chan); | 943 | struct txx9dmac_chan *dc = to_txx9dmac_chan(chan); |
944 | struct txx9dmac_desc *desc, *_desc; | 944 | struct txx9dmac_desc *desc, *_desc; |
945 | LIST_HEAD(list); | 945 | LIST_HEAD(list); |
946 | 946 | ||
947 | /* Only supports DMA_TERMINATE_ALL */ | ||
948 | if (cmd != DMA_TERMINATE_ALL) | ||
949 | return -EINVAL; | ||
950 | |||
947 | dev_vdbg(chan2dev(chan), "terminate_all\n"); | 951 | dev_vdbg(chan2dev(chan), "terminate_all\n"); |
948 | spin_lock_bh(&dc->lock); | 952 | spin_lock_bh(&dc->lock); |
949 | 953 | ||
@@ -958,6 +962,8 @@ static void txx9dmac_terminate_all(struct dma_chan *chan) | |||
958 | /* Flush all pending and queued descriptors */ | 962 | /* Flush all pending and queued descriptors */ |
959 | list_for_each_entry_safe(desc, _desc, &list, desc_node) | 963 | list_for_each_entry_safe(desc, _desc, &list, desc_node) |
960 | txx9dmac_descriptor_complete(dc, desc); | 964 | txx9dmac_descriptor_complete(dc, desc); |
965 | |||
966 | return 0; | ||
961 | } | 967 | } |
962 | 968 | ||
963 | static enum dma_status | 969 | static enum dma_status |
@@ -1153,7 +1159,7 @@ static int __init txx9dmac_chan_probe(struct platform_device *pdev) | |||
1153 | dc->dma.dev = &pdev->dev; | 1159 | dc->dma.dev = &pdev->dev; |
1154 | dc->dma.device_alloc_chan_resources = txx9dmac_alloc_chan_resources; | 1160 | dc->dma.device_alloc_chan_resources = txx9dmac_alloc_chan_resources; |
1155 | dc->dma.device_free_chan_resources = txx9dmac_free_chan_resources; | 1161 | dc->dma.device_free_chan_resources = txx9dmac_free_chan_resources; |
1156 | dc->dma.device_terminate_all = txx9dmac_terminate_all; | 1162 | dc->dma.device_control = txx9dmac_control; |
1157 | dc->dma.device_is_tx_complete = txx9dmac_is_tx_complete; | 1163 | dc->dma.device_is_tx_complete = txx9dmac_is_tx_complete; |
1158 | dc->dma.device_issue_pending = txx9dmac_issue_pending; | 1164 | dc->dma.device_issue_pending = txx9dmac_issue_pending; |
1159 | if (pdata && pdata->memcpy_chan == ch) { | 1165 | if (pdata && pdata->memcpy_chan == ch) { |
diff --git a/drivers/mmc/host/atmel-mci.c b/drivers/mmc/host/atmel-mci.c index 8072128e933b..ae6d24ba4f08 100644 --- a/drivers/mmc/host/atmel-mci.c +++ b/drivers/mmc/host/atmel-mci.c | |||
@@ -578,7 +578,7 @@ static void atmci_stop_dma(struct atmel_mci *host) | |||
578 | struct dma_chan *chan = host->data_chan; | 578 | struct dma_chan *chan = host->data_chan; |
579 | 579 | ||
580 | if (chan) { | 580 | if (chan) { |
581 | chan->device->device_terminate_all(chan); | 581 | chan->device->device_control(chan, DMA_TERMINATE_ALL); |
582 | atmci_dma_cleanup(host); | 582 | atmci_dma_cleanup(host); |
583 | } else { | 583 | } else { |
584 | /* Data transfer was stopped by the interrupt handler */ | 584 | /* Data transfer was stopped by the interrupt handler */ |
diff --git a/drivers/serial/sh-sci.c b/drivers/serial/sh-sci.c index f7b9aff88f4a..690988237971 100644 --- a/drivers/serial/sh-sci.c +++ b/drivers/serial/sh-sci.c | |||
@@ -1087,7 +1087,7 @@ static void work_fn_rx(struct work_struct *work) | |||
1087 | unsigned long flags; | 1087 | unsigned long flags; |
1088 | int count; | 1088 | int count; |
1089 | 1089 | ||
1090 | chan->device->device_terminate_all(chan); | 1090 | chan->device->device_control(chan, DMA_TERMINATE_ALL); |
1091 | dev_dbg(port->dev, "Read %u bytes with cookie %d\n", | 1091 | dev_dbg(port->dev, "Read %u bytes with cookie %d\n", |
1092 | sh_desc->partial, sh_desc->cookie); | 1092 | sh_desc->partial, sh_desc->cookie); |
1093 | 1093 | ||
diff --git a/drivers/video/mx3fb.c b/drivers/video/mx3fb.c index 772ba3f45e6f..3aa50bc276eb 100644 --- a/drivers/video/mx3fb.c +++ b/drivers/video/mx3fb.c | |||
@@ -387,7 +387,8 @@ static void sdc_disable_channel(struct mx3fb_info *mx3_fbi) | |||
387 | 387 | ||
388 | spin_unlock_irqrestore(&mx3fb->lock, flags); | 388 | spin_unlock_irqrestore(&mx3fb->lock, flags); |
389 | 389 | ||
390 | mx3_fbi->txd->chan->device->device_terminate_all(mx3_fbi->txd->chan); | 390 | mx3_fbi->txd->chan->device->device_control(mx3_fbi->txd->chan, |
391 | DMA_TERMINATE_ALL); | ||
391 | mx3_fbi->txd = NULL; | 392 | mx3_fbi->txd = NULL; |
392 | mx3_fbi->cookie = -EINVAL; | 393 | mx3_fbi->cookie = -EINVAL; |
393 | } | 394 | } |