On Wed, Aug 10, 2016 at 03:17:09AM +0000, Wei Yongjun wrote:
> free_irq() expects the same device identity that was passed to
> corresponding request_irq(), otherwise the IRQ is not freed.
>
> Fixes: e1f7c9eee707 ("dmaengine: at_xdmac: creation of the atmel
> eXtended DMA Controller driver")
> Signed-off-by: Wei Yongjun <weiyj.lk@xxxxxxxxx>
Acked-by: Ludovic Desroches <ludovic.desroches@xxxxxxxxx>
Thanks
> ---
> drivers/dma/at_xdmac.c | 4 ++--
> 1 file changed, 2 insertions(+), 2 deletions(-)
>
> diff --git a/drivers/dma/at_xdmac.c b/drivers/dma/at_xdmac.c
> index 2badc57..b7d7f2d 100644
> --- a/drivers/dma/at_xdmac.c
> +++ b/drivers/dma/at_xdmac.c
> @@ -2067,7 +2067,7 @@ err_dma_unregister:
> err_clk_disable:
> clk_disable_unprepare(atxdmac->clk);
> err_free_irq:
> - free_irq(atxdmac->irq, atxdmac->dma.dev);
> + free_irq(atxdmac->irq, atxdmac);
> return ret;
> }
>
> @@ -2081,7 +2081,7 @@ static int at_xdmac_remove(struct platform_device *pdev)
> dma_async_device_unregister(&atxdmac->dma);
> clk_disable_unprepare(atxdmac->clk);
>
> - free_irq(atxdmac->irq, atxdmac->dma.dev);
> + free_irq(atxdmac->irq, atxdmac);
>
> for (i = 0; i < atxdmac->dma.chancnt; i++) {
> struct at_xdmac_chan *atchan = &atxdmac->chan[i];
>
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