On 10/16/2015 10:25 AM, Jon Hunter wrote:
> On driver removal, before killing any tasklets, ensure that the channel
> interrupts are disabled so that the tasklet will not try to run during
> or after the removal of the driver.
>
> Signed-off-by: Jon Hunter <jonath...@nvidia.com>
> ---
> drivers/dma/tegra20-apb-dma.c | 1 +
> 1 file changed, 1 insertion(+)
>
> diff --git a/drivers/dma/tegra20-apb-dma.c b/drivers/dma/tegra20-apb-dma.c
> index 2bfab8d28b53..0dd6e7deaa8e 100644
> --- a/drivers/dma/tegra20-apb-dma.c
> +++ b/drivers/dma/tegra20-apb-dma.c
> @@ -1492,6 +1492,7 @@ static int tegra_dma_remove(struct platform_device
> *pdev)
>
> for (i = 0; i < tdma->chip_data->nr_channels; ++i) {
> tdc = &tdma->channels[i];
> + disable_irq(tdc->irq);
How about just calling free_irq()? That's how you'd typically handle this.
> tasklet_kill(&tdc->tasklet);
> }
>
>
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