diff options
| author |   Hanna Hawa <hannah@marvell.com> | 2018-07-17 13:29:59 +0300 |
|---|---|---|
| committer |   Vinod Koul <vkoul@kernel.org> | 2018-07-20 15:01:58 +0530 |
| commit | 48c008b5914f9bca44fccce103627bcf39928f95 (patch) | |
| tree | ba665513a2da7a83c80ab2bb593266069aa83048 /drivers/dma/mv_xor_v2.c | |
| parent | Linux 4.18-rc1 (diff) | |
| download | linux-dev-48c008b5914f9bca44fccce103627bcf39928f95.tar.xz linux-dev-48c008b5914f9bca44fccce103627bcf39928f95.zip | |
dmaengine: mv_xor_v2: explicitly freeup irq
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>
Signed-off-by: Vinod Koul <vkoul@kernel.org>
Diffstat (limited to 'drivers/dma/mv_xor_v2.c')
| -rw-r--r-- | drivers/dma/mv_xor_v2.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/drivers/dma/mv_xor_v2.c b/drivers/dma/mv_xor_v2.c index c6589ccf1b9a..e16083af9de9 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); |