On Fri, Sep 20, 2013 at 12:15:39AM +0100, Russell King wrote:
> register_platform_device_full() can setup the DMA mask provided the
> appropriate member is set in struct platform_device_info. So lets
> make that be the case. This avoids a direct reference to the DMA
> masks by this driver.
>
> Signed-off-by: Russell King <rmk+kernel@xxxxxxxxxxxxxxxx>
Acked-by: Vinod Koul <vinod.koul@xxxxxxxxx>
This also brings me question that should we force the driver to use the
dma_set_mask_and_coherent() API or they have below flexiblity too?
~Vinod
> ---
> drivers/dma/edma.c | 6 ++----
> 1 files changed, 2 insertions(+), 4 deletions(-)
>
> diff --git a/drivers/dma/edma.c b/drivers/dma/edma.c
> index ff50ff4..7f9fe30 100644
> --- a/drivers/dma/edma.c
> +++ b/drivers/dma/edma.c
> @@ -702,11 +702,13 @@ static struct platform_device *pdev0, *pdev1;
> static const struct platform_device_info edma_dev_info0 = {
> .name = "edma-dma-engine",
> .id = 0,
> + .dma_mask = DMA_BIT_MASK(32),
> };
>
> static const struct platform_device_info edma_dev_info1 = {
> .name = "edma-dma-engine",
> .id = 1,
> + .dma_mask = DMA_BIT_MASK(32),
> };
>
> static int edma_init(void)
> @@ -720,8 +722,6 @@ static int edma_init(void)
> ret = PTR_ERR(pdev0);
> goto out;
> }
> - pdev0->dev.dma_mask = &pdev0->dev.coherent_dma_mask;
> - pdev0->dev.coherent_dma_mask = DMA_BIT_MASK(32);
> }
>
> if (EDMA_CTLRS == 2) {
> @@ -731,8 +731,6 @@ static int edma_init(void)
> platform_device_unregister(pdev0);
> ret = PTR_ERR(pdev1);
> }
> - pdev1->dev.dma_mask = &pdev1->dev.coherent_dma_mask;
> - pdev1->dev.coherent_dma_mask = DMA_BIT_MASK(32);
> }
>
> out:
> --
> 1.7.4.4
>
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