linux-kernel - Re: [PATCH v6 11/22] mfd: omap-usb-host: Use devm_kzalloc() and devm_request_and

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Date:	Wed, 16 Jan 2013 22:34:31 +0300
From:	Sergei Shtylyov <sshtylyov@...sta.com>
To:	Roger Quadros <rogerq@...com>
CC:	balbi@...com, sameo@...ux.intel.com, tony@...mide.com,
	kishon@...com, bjorn@...k.no, linux-usb@...r.kernel.org,
	linux-kernel@...r.kernel.org, linux-arm-kernel@...ts.infradead.org
Subject: Re: [PATCH v6 11/22] mfd: omap-usb-host: Use devm_kzalloc() and devm_request_and_ioremap()

Hello.

On 01/16/2013 05:43 PM, Roger Quadros wrote:

> Use devm_ variants of kzalloc and ioremap. Also clean up error path.

> Signed-off-by: Roger Quadros <rogerq@...com>
[...]

> diff --git a/drivers/mfd/omap-usb-host.c b/drivers/mfd/omap-usb-host.c
> index 061366d..0f190b6 100644
> --- a/drivers/mfd/omap-usb-host.c
> +++ b/drivers/mfd/omap-usb-host.c
> @@ -461,15 +461,20 @@ static int usbhs_omap_probe(struct platform_device *pdev)
[...]
> +	res = platform_get_resource_byname(pdev, IORESOURCE_MEM, "uhh");
> +	omap->uhh_base = devm_request_and_ioremap(dev, res);
> +	if (!omap->uhh_base) {
> +		dev_err(dev, "Resource request/ioremap failed\n");
> +		return -ENOMEM;

   Should be -EADDRNOTAVAIL according to the comment to
devm_request_and_ioremap()...

WBR, Sergei

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