linux-kernel - Re: [PATCH v14 06/12] dmaengine: imx-sdma: add mcu_2

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Date:   Fri, 09 Jul 2021 11:32:55 +0200
From:   Lucas Stach <l.stach@...gutronix.de>
To:     Robin Gong <yibin.gong@....com>, vkoul@...nel.org,
        mark.rutland@....com, broonie@...nel.org, robh+dt@...nel.org,
        catalin.marinas@....com, will.deacon@....com, shawnguo@...nel.org,
        festevam@...il.com, s.hauer@...gutronix.de,
        martin.fuzzey@...wbird.group, u.kleine-koenig@...gutronix.de,
        dan.j.williams@...el.com, matthias.schiffer@...tq-group.com,
        frieder.schrempf@...tron.de, m.felsch@...gutronix.de,
        xiaoning.wang@....com
Cc:     devicetree@...r.kernel.org, linux-kernel@...r.kernel.org,
        linux-spi@...r.kernel.org, linux-imx@....com,
        kernel@...gutronix.de, dmaengine@...r.kernel.org,
        linux-arm-kernel@...ts.infradead.org
Subject: Re: [PATCH v14 06/12] dmaengine: imx-sdma: add mcu_2_ecspi script

Am Mittwoch, dem 07.04.2021 um 23:30 +0800 schrieb Robin Gong:
> Add mcu_2_ecspi script to fix ecspi errata ERR009165.
> 
> Signed-off-by: Robin Gong <yibin.gong@....com>
> Acked-by: Vinod Koul <vkoul@...nel.org>

Reviewed-by: Lucas Stach <l.stach@...gutronix.de>

> ---
>  drivers/dma/imx-sdma.c | 4 ++++
>  1 file changed, 4 insertions(+)
> 
> diff --git a/drivers/dma/imx-sdma.c b/drivers/dma/imx-sdma.c
> index 78dcfe2..86bd383 100644
> --- a/drivers/dma/imx-sdma.c
> +++ b/drivers/dma/imx-sdma.c
> @@ -892,6 +892,10 @@ static void sdma_get_pc(struct sdma_channel *sdmac,
>  		emi_2_per = sdma->script_addrs->mcu_2_ata_addr;
>  		break;
>  	case IMX_DMATYPE_CSPI:
> +		per_2_emi = sdma->script_addrs->app_2_mcu_addr;
> +		emi_2_per = sdma->script_addrs->mcu_2_ecspi_addr;
> +		sdmac->is_ram_script = true;
> +		break;
>  	case IMX_DMATYPE_EXT:
>  	case IMX_DMATYPE_SSI:
>  	case IMX_DMATYPE_SAI: