diff options
Diffstat (limited to 'drivers/dma/mv_xor_v2.c')
| -rw-r--r-- | drivers/dma/mv_xor_v2.c | 23 |
1 files changed, 9 insertions, 14 deletions
diff --git a/drivers/dma/mv_xor_v2.c b/drivers/dma/mv_xor_v2.c index 9b0d463f89bb..113834e1167b 100644 --- a/drivers/dma/mv_xor_v2.c +++ b/drivers/dma/mv_xor_v2.c @@ -149,7 +149,7 @@ struct mv_xor_v2_descriptor { * @desc_size: HW descriptor size * @npendings: number of pending descriptors (for which tx_submit has * @hw_queue_idx: HW queue index - * @msi_desc: local interrupt descriptor information + * @irq: The Linux interrupt number * been called, but not yet issue_pending) */ struct mv_xor_v2_device { @@ -168,7 +168,7 @@ struct mv_xor_v2_device { int desc_size; unsigned int npendings; unsigned int hw_queue_idx; - struct msi_desc *msi_desc; + unsigned int irq; }; /** @@ -313,7 +313,7 @@ mv_xor_v2_tx_submit(struct dma_async_tx_descriptor *tx) "%s sw_desc %p: async_tx %p\n", __func__, sw_desc, &sw_desc->async_tx); - /* assign coookie */ + /* assign cookie */ spin_lock_bh(&xor_dev->lock); cookie = dma_cookie_assign(tx); @@ -591,14 +591,14 @@ static void mv_xor_v2_tasklet(struct tasklet_struct *t) dma_run_dependencies(&next_pending_sw_desc->async_tx); /* Lock the channel */ - spin_lock_bh(&xor_dev->lock); + spin_lock(&xor_dev->lock); /* add the SW descriptor to the free descriptors list */ list_add(&next_pending_sw_desc->free_list, &xor_dev->free_sw_desc); /* Release the channel */ - spin_unlock_bh(&xor_dev->lock); + spin_unlock(&xor_dev->lock); /* increment the next descriptor */ pending_ptr++; @@ -718,7 +718,6 @@ static int mv_xor_v2_probe(struct platform_device *pdev) int i, ret = 0; struct dma_device *dma_dev; struct mv_xor_v2_sw_desc *sw_desc; - struct msi_desc *msi_desc; BUILD_BUG_ON(sizeof(struct mv_xor_v2_descriptor) != MV_XOR_V2_EXT_DESC_SIZE); @@ -770,14 +769,9 @@ static int mv_xor_v2_probe(struct platform_device *pdev) if (ret) goto disable_clk; - msi_desc = first_msi_entry(&pdev->dev); - if (!msi_desc) { - ret = -ENODEV; - goto free_msi_irqs; - } - xor_dev->msi_desc = msi_desc; + xor_dev->irq = msi_get_virq(&pdev->dev, 0); - ret = devm_request_irq(&pdev->dev, msi_desc->irq, + ret = devm_request_irq(&pdev->dev, xor_dev->irq, mv_xor_v2_interrupt_handler, 0, dev_name(&pdev->dev), xor_dev); if (ret) @@ -892,13 +886,14 @@ static int mv_xor_v2_remove(struct platform_device *pdev) xor_dev->desc_size * MV_XOR_V2_DESC_NUM, xor_dev->hw_desq_virt, xor_dev->hw_desq); - devm_free_irq(&pdev->dev, xor_dev->msi_desc->irq, xor_dev); + devm_free_irq(&pdev->dev, xor_dev->irq, xor_dev); platform_msi_domain_free_irqs(&pdev->dev); tasklet_kill(&xor_dev->irq_tasklet); clk_disable_unprepare(xor_dev->clk); + clk_disable_unprepare(xor_dev->reg_clk); return 0; } |