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From: Sascha Hauer <s.hauer@pengutronix.de>
To: yibin.gong@nxp.com
Cc: robh@kernel.org, shawnguo@kernel.org, festevam@gmail.com,
	mark.rutland@arm.com, vkoul@kernel.org, dan.j.williams@intel.com,
	devicetree@vger.kernel.org, linux-kernel@vger.kernel.org,
	linux-imx@nxp.com, kernel@pengutronix.de,
	dmaengine@vger.kernel.org, linux-arm-kernel@lists.infradead.org
Subject: Re: [PATCH v2 6/7] dmaengine: fsl-edma: add i.mx7ulp edma2 version support
Date: Mon, 27 May 2019 11:05:53 +0200	[thread overview]
Message-ID: <20190527090553.lek7tm3lyst3bhrd@pengutronix.de> (raw)
In-Reply-To: <20190527085118.40423-7-yibin.gong@nxp.com>

On Mon, May 27, 2019 at 04:51:17PM +0800, yibin.gong@nxp.com wrote:
> From: Robin Gong <yibin.gong@nxp.com>
> 
> +static const struct of_device_id fsl_edma_dt_ids[] = {
> +	{ .compatible = "fsl,vf610-edma", .data = (void *)v1 },
> +	{ .compatible = "fsl,imx7ulp-edma", .data = (void *)v3 },
> +	{ /* sentinel */ }

Please put a struct type behind the .data pointer so that you can
configure...

> +};
> +MODULE_DEVICE_TABLE(of, fsl_edma_dt_ids);
> +
> @@ -218,6 +272,22 @@ static int fsl_edma_probe(struct platform_device *pdev)
>  	fsl_edma_setup_regs(fsl_edma);
>  	regs = &fsl_edma->regs;
>  
> +	if (fsl_edma->version == v3) {
> +		fsl_edma->dmamux_nr = 1;

...things like this...

> @@ -264,7 +334,11 @@ static int fsl_edma_probe(struct platform_device *pdev)
>  	}
>  
>  	edma_writel(fsl_edma, ~0, regs->intl);
> -	ret = fsl_edma_irq_init(pdev, fsl_edma);
> +
> +	if (fsl_edma->version == v3)
> +		ret = fsl_edma2_irq_init(pdev, fsl_edma);
> +	else
> +		ret = fsl_edma_irq_init(pdev, fsl_edma);

...and this one in that struct rather than littering the code more and
more with such version tests.

Sascha

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  reply	other threads:[~2019-05-27  9:06 UTC|newest]

Thread overview: 13+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2019-05-27  8:51 [PATCH v2 0/7] add edma2 for i.mx7ulp yibin.gong
2019-05-27  8:51 ` [PATCH v2 1/7] dmaengine: fsl-edma: add dmamux_nr for next version yibin.gong
2019-05-27  8:51 ` [PATCH v2 2/7] dmaengine: mcf-edma: update to 'dmamux_nr' yibin.gong
2019-05-27  8:51 ` [PATCH v2 3/7] dmaengine: fsl-edma-common: move dmamux register to another single function yibin.gong
2019-05-27  8:51 ` [PATCH v2 4/7] dmaengine: fsl-edma-common: version check for v2 instead yibin.gong
2019-05-27  9:08   ` Sascha Hauer
2019-05-27  9:52     ` Robin Gong
2019-05-27  8:51 ` [PATCH v2 5/7] dt-bindings: dma: fsl-edma: add new i.mx7ulp-edma yibin.gong
2019-05-27  8:51 ` [PATCH v2 6/7] dmaengine: fsl-edma: add i.mx7ulp edma2 version support yibin.gong
2019-05-27  9:05   ` Sascha Hauer [this message]
2019-05-27 10:04     ` Robin Gong
2019-05-27 10:10     ` Vinod Koul
2019-05-27  8:51 ` [PATCH v2 7/7] ARM: dts: imx7ulp: add edma device node yibin.gong

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