linux-kernel - Re: [PATCH v6 22/40] ata: pata_ep93xx: add device tree support

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Date:   Wed, 13 Dec 2023 20:19:47 +0200
From:   Andy Shevchenko <andriy.shevchenko@...el.com>
To:     Nikita Shubin <nikita.shubin@...uefel.me>
Cc:     Sergey Shtylyov <s.shtylyov@....ru>,
        Damien Le Moal <dlemoal@...nel.org>,
        linux-ide@...r.kernel.org, linux-kernel@...r.kernel.org,
        Arnd Bergmann <arnd@...db.de>
Subject: Re: [PATCH v6 22/40] ata: pata_ep93xx: add device tree support

On Tue, Dec 12, 2023 at 11:20:39AM +0300, Nikita Shubin wrote:
> - add OF ID match table
> - drop platform DMA and filters
> - change DMA setup to OF, so we can defer probe

...

> +	drv_data->dma_rx_channel = dma_request_chan(dev, "rx");
> +	if (IS_ERR(drv_data->dma_rx_channel)) {
> +		ret = PTR_ERR(drv_data->dma_rx_channel);
> +		return dev_err_probe(dev, ret, "rx DMA setup failed");
> +	}

See the comments to other patches about PTR_ERR_OR_ZERO() use and
returning dev_err_probe().

...

> +	drv_data->dma_tx_channel = dma_request_chan(&pdev->dev, "tx");
> +	if (IS_ERR(drv_data->dma_tx_channel)) {
> +		ret = PTR_ERR(drv_data->dma_tx_channel);
> +		dev_err_probe(dev, ret, "tx DMA setup failed");
> +		goto fail_release_rx;
>  	}

Ditto.

...

Seems like broken rebase or so as some of the latter changes in this file
should be done here.

-- 
With Best Regards,
Andy Shevchenko