Messages in this thread | | | Date | Mon, 6 May 2013 13:53:04 +0200 | From | Nicolas Ferre <> | Subject | Re: [PATCH 1/2] dma: at_hdmac: remove unnecessary platform_set_drvdata() |
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On 06/05/2013 05:53, Jingoo Han : > The driver core clears the driver data to NULL after device_release > or on probe failure, since commit 0998d0631001288a5974afc0b2a5f568bcdecb4d > (device-core: Ensure drvdata = NULL when no driver is bound). > Thus, it is not needed to manually clear the device driver data to NULL. > > Signed-off-by: Jingoo Han <jg1.han@samsung.com>
Acked-by: Nicolas Ferre <nicolas.ferre@atmel.com>
> --- > drivers/dma/at_hdmac.c | 2 -- > 1 files changed, 0 insertions(+), 2 deletions(-) > > diff --git a/drivers/dma/at_hdmac.c b/drivers/dma/at_hdmac.c > index e923cda..c093ab7 100644 > --- a/drivers/dma/at_hdmac.c > +++ b/drivers/dma/at_hdmac.c > @@ -1472,7 +1472,6 @@ err_of_dma_controller_register: > dma_async_device_unregister(&atdma->dma_common); > dma_pool_destroy(atdma->dma_desc_pool); > err_pool_create: > - platform_set_drvdata(pdev, NULL); > free_irq(platform_get_irq(pdev, 0), atdma); > err_irq: > clk_disable(atdma->clk); > @@ -1497,7 +1496,6 @@ static int at_dma_remove(struct platform_device *pdev) > dma_async_device_unregister(&atdma->dma_common); > > dma_pool_destroy(atdma->dma_desc_pool); > - platform_set_drvdata(pdev, NULL); > free_irq(platform_get_irq(pdev, 0), atdma); > > list_for_each_entry_safe(chan, _chan, &atdma->dma_common.channels, >
-- Nicolas Ferre
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