linux-kernel - Re: [PATCH 2/2] mmc: fix mmc card disappearence on resume on ricoh mmc controllers

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Message-ID: <20100606232313.GA5444@void.printf.net>
Date:	Mon, 7 Jun 2010 00:23:13 +0100
From:	Chris Ball <cjb@...top.org>
To:	Maxim Levitsky <maximlevitsky@...il.com>
Cc:	"linux-mmc@...r.kernel.org" <linux-mmc@...r.kernel.org>,
	Philip Langdale <philipl@...rt.org>,
	linux-kernel <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH 2/2] mmc: fix mmc card disappearence on resume on ricoh
	mmc controllers

Hi,

On Mon, Jun 07, 2010 at 12:28:51AM +0300, Maxim Levitsky wrote:
> +	/* Some controllers (especialy the ricoh mmc controller) delay
> +		card detection on resume (probably since the controller
> +		has to poke the card to determine if its MMC or not */
> +
> +	if (host->mmc->bus_ops && (host->quirks &
> +			SDHCI_QUIRK_WAIT_CARD_ON_RESUME)) {
> +
> +		unsigned long timeout = jiffies + msecs_to_jiffies(2000);
> +
> +		while (!time_after(jiffies, timeout))
> +			if (sdhci_readl(host, SDHCI_PRESENT_STATE)
> +							& SDHCI_CARD_PRESENT) {
> +				break;

It looks like your editor is set to four-space instead of eight-space
tab characters, else you wouldn't be using so many tabs here. 

-- 
Chris Ball   <cjb@...top.org>
One Laptop Per Child
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