Messages in this thread Patch in this message | | | From | <> | Subject | [PATCH 1/5] dmaengine: mv_xor_v2: explicitly freeup irq | Date | Tue, 17 Jul 2018 13:29:59 +0300 |
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From: Hanna Hawa <hannah@marvell.com>
dmaengine device should explicitly call devm_free_irq() when using devm_request_irq().
The irq is still ON when devices remove is executed and irq should be quiesced before remove is completed.
Signed-off-by: Hanna Hawa <hannah@marvell.com> --- drivers/dma/mv_xor_v2.c | 4 ++++ 1 file changed, 4 insertions(+)
diff --git a/drivers/dma/mv_xor_v2.c b/drivers/dma/mv_xor_v2.c index c6589cc..e16083a 100644 --- a/drivers/dma/mv_xor_v2.c +++ b/drivers/dma/mv_xor_v2.c @@ -174,6 +174,7 @@ struct mv_xor_v2_device { int desc_size; unsigned int npendings; unsigned int hw_queue_idx; + struct msi_desc *msi_desc; }; /** @@ -780,6 +781,7 @@ static int mv_xor_v2_probe(struct platform_device *pdev) msi_desc = first_msi_entry(&pdev->dev); if (!msi_desc) goto free_msi_irqs; + xor_dev->msi_desc = msi_desc; ret = devm_request_irq(&pdev->dev, msi_desc->irq, mv_xor_v2_interrupt_handler, 0, @@ -897,6 +899,8 @@ 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); + platform_msi_domain_free_irqs(&pdev->dev); clk_disable_unprepare(xor_dev->clk); -- 1.9.1
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