diff options
Diffstat (limited to 'drivers/dma/qcom')
| -rw-r--r-- | drivers/dma/qcom/hidma.c | 15 |
1 files changed, 15 insertions, 0 deletions
diff --git a/drivers/dma/qcom/hidma.c b/drivers/dma/qcom/hidma.c index 3c982c96b4b7..5072a7d306d4 100644 --- a/drivers/dma/qcom/hidma.c +++ b/drivers/dma/qcom/hidma.c @@ -865,6 +865,20 @@ bailout: return rc; } +static void hidma_shutdown(struct platform_device *pdev) +{ + struct hidma_dev *dmadev = platform_get_drvdata(pdev); + + dev_info(dmadev->ddev.dev, "HI-DMA engine shutdown\n"); + + pm_runtime_get_sync(dmadev->ddev.dev); + if (hidma_ll_disable(dmadev->lldev)) + dev_warn(dmadev->ddev.dev, "channel did not stop\n"); + pm_runtime_mark_last_busy(dmadev->ddev.dev); + pm_runtime_put_autosuspend(dmadev->ddev.dev); + +} + static int hidma_remove(struct platform_device *pdev) { struct hidma_dev *dmadev = platform_get_drvdata(pdev); @@ -908,6 +922,7 @@ MODULE_DEVICE_TABLE(of, hidma_match); static struct platform_driver hidma_driver = { .probe = hidma_probe, .remove = hidma_remove, + .shutdown = hidma_shutdown, .driver = { .name = "hidma", .of_match_table = hidma_match, |