[PATCH v1 1/2] mtd: nand: mtk: do not disable ECC IRQ in the function mtk_ecc_disable

Boris Brezillon boris.brezillon at free-electrons.com
Fri Oct 27 05:45:38 PDT 2017


On Mon, 23 Oct 2017 16:21:36 +0800
Xiaolei Li <xiaolei.li at mediatek.com> wrote:

> There will disable ECC IRQ in ECC IRQ handle function, so no need to
> disable it again in the function mtk_ecc_disable.
> 
> Signed-off-by: Xiaolei Li <xiaolei.li at mediatek.com>
> ---
>  drivers/mtd/nand/mtk_ecc.c | 1 -
>  1 file changed, 1 deletion(-)
> 
> diff --git a/drivers/mtd/nand/mtk_ecc.c b/drivers/mtd/nand/mtk_ecc.c
> index 7f3b065..82aa6f2 100644
> --- a/drivers/mtd/nand/mtk_ecc.c
> +++ b/drivers/mtd/nand/mtk_ecc.c
> @@ -307,7 +307,6 @@ void mtk_ecc_disable(struct mtk_ecc *ecc)
>  
>  	/* disable it */
>  	mtk_ecc_wait_idle(ecc, op);
> -	writew(0, ecc->regs + ECC_IRQ_REG(op));

As explained in my review of patch 2, I would do it the other way
around: remove this write from the irq handler and keep it here.

>  	writew(ECC_OP_DISABLE, ecc->regs + ECC_CTL_REG(op));
>  
>  	mutex_unlock(&ecc->lock);




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