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SubjectRe: [PATCH 1/4] mmc: mtk-sd: don't hard-code interrupt trigger type
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On Sat, 2019-05-04 at 20:24 +1000, NeilBrown wrote:
> When using devicetree for configuration, interrupt trigger type
> should be described in the dts file, not hard-coded in the C code.
>
> The mtk-sd silicon in the mt7621 soc uses an active-high interrupt
> and so cannot be used with the current code.
>
> So replace IRQF_TRIGGER_LOW with IRQF_TRIGGER_NONE.
>
> Also IRQF_ONESHOT is not needed - it is used for threaded interrupt
> handlers, and this driver does not used a threaded interrupt handler.
> So remove that setting.
>
> Signed-off-by: NeilBrown <neil@brown.name>
Reviewed-by:Chaotian Jing <chaotian.jing@mediatek.com>
> ---
> drivers/mmc/host/mtk-sd.c | 2 +-
> 1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/drivers/mmc/host/mtk-sd.c b/drivers/mmc/host/mtk-sd.c
> index 0798f0ba6d34..469d4a717175 100644
> --- a/drivers/mmc/host/mtk-sd.c
> +++ b/drivers/mmc/host/mtk-sd.c
> @@ -2240,7 +2240,7 @@ static int msdc_drv_probe(struct platform_device *pdev)
> msdc_init_hw(host);
>
> ret = devm_request_irq(&pdev->dev, host->irq, msdc_irq,
> - IRQF_TRIGGER_LOW | IRQF_ONESHOT, pdev->name, host);
> + IRQF_TRIGGER_NONE, pdev->name, host);
> if (ret)
> goto release;
>
>
>


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