Several dma drivers calls tasklet_kill() in remove function. This is done because all running tasklets should be killed on remove. This is missing in imx sdma driver, so adding tasklet_kill() in sdma_remove function.
Signed-off-by: Vignesh Raman <[email protected]> --- drivers/dma/imx-sdma.c | 7 +++++++ 1 file changed, 7 insertions(+) diff --git a/drivers/dma/imx-sdma.c b/drivers/dma/imx-sdma.c index 5cefc7d..3961c72 100644 --- a/drivers/dma/imx-sdma.c +++ b/drivers/dma/imx-sdma.c @@ -1638,12 +1638,19 @@ static int sdma_remove(struct platform_device *pdev) struct sdma_engine *sdma = platform_get_drvdata(pdev); struct resource *iores = platform_get_resource(pdev, IORESOURCE_MEM, 0); int irq = platform_get_irq(pdev, 0); + int i; dma_async_device_unregister(&sdma->dma_device); kfree(sdma->script_addrs); free_irq(irq, sdma); iounmap(sdma->regs); release_mem_region(iores->start, resource_size(iores)); + /* Kill the tasklet */ + for (i = 0; i < MAX_DMA_CHANNELS; i++) { + struct sdma_channel *sdmac = &sdma->channel[i]; + + tasklet_kill(&sdmac->tasklet); + } kfree(sdma); platform_set_drvdata(pdev, NULL); -- 1.7.9.5 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to [email protected] More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
