linux-kernel - Re: [PATCH 10/10] mmc: Add OpenFirmware bindings for SDHCI driver

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Date:	Thu, 22 Jan 2009 13:05:28 +0100
From:	Arnd Bergmann <arnd@...db.de>
To:	Anton Vorontsov <avorontsov@...mvista.com>
Cc:	Pierre Ossman <drzeus-sdhci@...eus.cx>,
	Ben Dooks <ben-linux@...ff.org>,
	Kumar Gala <galak@...nel.crashing.org>,
	Liu Dave <DaveLiu@...escale.com>,
	Xie Xiaobo <X.Xie@...escale.com>,
	Konjin Lai <Konjin.Lai@...escale.com>,
	Joe D'Abbraccio <Joe.D'abbraccio@...escale.com>,
	sdhci-devel@...t.drzeus.cx, linux-kernel@...r.kernel.org,
	linuxppc-dev@...abs.org
Subject: Re: [PATCH 10/10] mmc: Add OpenFirmware bindings for SDHCI driver

On Thursday 22 January 2009, Anton Vorontsov wrote:
> This patch adds a new driver: sdhci-of. The driver is similar to
> the sdhci-pci, it contains common probe code, and controller-specific
> ops and quirks.
> 
> So far there are only Freescale eSDHC ops and quirks.

Looks very good overall.

Acked-by: Arnd Bergmann <arnd@...db.de>

> +	ret = of_address_to_resource(np, 0, &mem);
> +	if (ret)
> +		goto err_no_addr;
> +
> +	host->ioaddr = ioremap(mem.start, resource_size(&mem));
> +	if (!host->ioaddr) {
> +		ret = -ENOMEM;
> +		goto err_addr_map;
> +	}

Minor improvement: you could use of_iomap to do this in one step.

	Arnd <><
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