mmp_tdma.c (eeca9fad52fc4bfdf42c38bfcf383e932eb3e9d6) mmp_tdma.c (ec5b103ecfde929004b691f29183255aeeadecd5)
1/*
2 * Driver For Marvell Two-channel DMA Engine
3 *
4 * Copyright: Marvell International Ltd.
5 *
6 * The code contained herein is licensed under the GNU General Public
7 * License. You may obtain a copy of the GNU General Public License
8 * Version 2 or later at the following locations:

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455 return ret;
456}
457
458static enum dma_status mmp_tdma_tx_status(struct dma_chan *chan,
459 dma_cookie_t cookie, struct dma_tx_state *txstate)
460{
461 struct mmp_tdma_chan *tdmac = to_mmp_tdma_chan(chan);
462
1/*
2 * Driver For Marvell Two-channel DMA Engine
3 *
4 * Copyright: Marvell International Ltd.
5 *
6 * The code contained herein is licensed under the GNU General Public
7 * License. You may obtain a copy of the GNU General Public License
8 * Version 2 or later at the following locations:

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455 return ret;
456}
457
458static enum dma_status mmp_tdma_tx_status(struct dma_chan *chan,
459 dma_cookie_t cookie, struct dma_tx_state *txstate)
460{
461 struct mmp_tdma_chan *tdmac = to_mmp_tdma_chan(chan);
462
463 dma_set_residue(txstate, tdmac->buf_len - tdmac->pos);
463 dma_set_tx_state(txstate, chan->completed_cookie, chan->cookie,
464 tdmac->buf_len - tdmac->pos);
464
465 return tdmac->status;
466}
467
468static void mmp_tdma_issue_pending(struct dma_chan *chan)
469{
470 struct mmp_tdma_chan *tdmac = to_mmp_tdma_chan(chan);
471

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544 tdev->dev = &pdev->dev;
545
546 for (i = 0; i < chan_num; i++) {
547 if (platform_get_irq(pdev, i) > 0)
548 irq_num++;
549 }
550
551 iores = platform_get_resource(pdev, IORESOURCE_MEM, 0);
465
466 return tdmac->status;
467}
468
469static void mmp_tdma_issue_pending(struct dma_chan *chan)
470{
471 struct mmp_tdma_chan *tdmac = to_mmp_tdma_chan(chan);
472

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545 tdev->dev = &pdev->dev;
546
547 for (i = 0; i < chan_num; i++) {
548 if (platform_get_irq(pdev, i) > 0)
549 irq_num++;
550 }
551
552 iores = platform_get_resource(pdev, IORESOURCE_MEM, 0);
552 if (!iores)
553 return -EINVAL;
554
555 tdev->base = devm_ioremap_resource(&pdev->dev, iores);
556 if (IS_ERR(tdev->base))
557 return PTR_ERR(tdev->base);
558
559 INIT_LIST_HEAD(&tdev->device.channels);
560
561 if (irq_num != chan_num) {
562 irq = platform_get_irq(pdev, 0);

--- 64 unchanged lines hidden --- 		553 tdev->base = devm_ioremap_resource(&pdev->dev, iores);
554 if (IS_ERR(tdev->base))
555 return PTR_ERR(tdev->base);
556
557 INIT_LIST_HEAD(&tdev->device.channels);
558
559 if (irq_num != chan_num) {
560 irq = platform_get_irq(pdev, 0);

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