linux-kernel - Re: [PATCH] mtd: nand: atmel

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Message-ID: <20140911152029.GA16666@arch>
Date:	Thu, 11 Sep 2014 12:20:30 -0300
From:	Ezequiel Garcia <ezequiel.garcia@...e-electrons.com>
To:	Alexandre Belloni <alexandre.belloni@...e-electrons.com>
Cc:	Brian Norris <computersforpeace@...il.com>,
	Boris Brezillon <boris.brezillon@...e-electrons.com>,
	Nicolas Ferre <nicolas.ferre@...el.com>,
	linux-kernel@...r.kernel.org, linux-mtd@...ts.infradead.org,
	David Woodhouse <dwmw2@...radead.org>,
	linux-arm-kernel@...ts.infradead.org
Subject: Re: [PATCH] mtd: nand: atmel_nand: retrieve NFC clock

Hi Alexandre,

On 11 Sep 04:43 PM, Alexandre Belloni wrote:
> @@ -2276,6 +2280,16 @@ static int atmel_nand_nfc_probe(struct platform_device *pdev)
>  		}
>  	}
>  
> +	nfc->clk = devm_clk_get(&pdev->dev, NULL);
> +	if (IS_ERR(nfc->clk)) {
> +		dev_warn(&pdev->dev, "NFC clock is missing");
> +		return 0;
> +	}
> +

The binding documentation makes no mention to a clock.

Anyway, with or without the docs I think this patch breaks DT backward
compatibility.

Or am I missing something?
-- 
Ezequiel García, Free Electrons
Embedded Linux, Kernel and Android Engineering
http://free-electrons.com
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