linux-kernel - Re: [PATCH RESEND 2/2] dmaengine: JZ4780: Add support for the X1000.

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Date:   Wed, 23 Oct 2019 18:08:21 +0200
From:   Paul Cercueil <paul@...pouillou.net>
To:     Zhou Yanjie <zhouyanjie@...o.com>
Cc:     linux-mips@...r.kernel.org, linux-kernel@...r.kernel.org,
        dmaengine@...r.kernel.org, devicetree@...r.kernel.org,
        robh+dt@...nel.org, paul.burton@...s.com, vkoul@...nel.org,
        mark.rutland@....com, Zubair.Kakakhel@...tec.com,
        dan.j.williams@...el.com
Subject: Re: [PATCH RESEND 2/2] dmaengine: JZ4780: Add support for the X1000.

Hi Zhou,


Le mer., oct. 23, 2019 at 15:02, Zhou Yanjie <zhouyanjie@...o.com> a 
écrit :
> Add support for probing the dma-jz4780 driver on the X1000 Soc.
> 
> Signed-off-by: Zhou Yanjie <zhouyanjie@...o.com>
> ---
>  drivers/dma/dma-jz4780.c | 7 +++++++
>  1 file changed, 7 insertions(+)
> 
> diff --git a/drivers/dma/dma-jz4780.c b/drivers/dma/dma-jz4780.c
> index cafb1cc0..f809a6e 100644
> --- a/drivers/dma/dma-jz4780.c
> +++ b/drivers/dma/dma-jz4780.c
> @@ -1019,11 +1019,18 @@ static const struct jz4780_dma_soc_data 
> jz4780_dma_soc_data = {
>  	.flags = JZ_SOC_DATA_ALLOW_LEGACY_DT | JZ_SOC_DATA_PROGRAMMABLE_DMA,
>  };
> 
> +static const struct jz4780_dma_soc_data x1000_dma_soc_data = {
> +	.nb_channels = 8,
> +	.transfer_ord_max = 7,
> +	.flags = JZ_SOC_DATA_ALLOW_LEGACY_DT | JZ_SOC_DATA_PROGRAMMABLE_DMA,

Please don't use JZ_SOC_DATA_ALLOW_LEGACY_DT for new bindings.

With that flag removed:
Reviewed-by: Paul Cercueil <paul@...pouillou.net>


> +};
> +
>  static const struct of_device_id jz4780_dma_dt_match[] = {
>  	{ .compatible = "ingenic,jz4740-dma", .data = &jz4740_dma_soc_data 
> },
>  	{ .compatible = "ingenic,jz4725b-dma", .data = 
> &jz4725b_dma_soc_data },
>  	{ .compatible = "ingenic,jz4770-dma", .data = &jz4770_dma_soc_data 
> },
>  	{ .compatible = "ingenic,jz4780-dma", .data = &jz4780_dma_soc_data 
> },
> +	{ .compatible = "ingenic,x1000-dma", .data = &x1000_dma_soc_data },
>  	{},
>  };
>  MODULE_DEVICE_TABLE(of, jz4780_dma_dt_match);
> --
> 2.7.4
> 
>