linux-kernel - Re: [PATCH] sdio: fix suspend/resume regression

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Date:	Thu, 21 Oct 2010 19:57:45 -0400 (EDT)
From:	Nicolas Pitre <nico@...xnic.net>
To:	Maxim Levitsky <maximlevitsky@...il.com>
Cc:	Ohad Ben-Cohen <ohad@...ery.com>, linux-mmc@...r.kernel.org,
	Sven Neumann <s.neumann@...mfeld.com>,
	Chris Ball <cjb@...top.org>, libertas-dev@...ts.infradead.org,
	"Rafael J. Wysocki" <rjw@...k.pl>, Daniel Mack <daniel@...aq.de>,
	Colin Cross <ccross@...roid.com>,
	Greg Kroah-Hartman <gregkh@...e.de>,
	lkml <linux-kernel@...r.kernel.org>,
	linux-arm-kernel@...ts.infradead.org, stable@...nel.org
Subject: Re: [PATCH] sdio: fix suspend/resume regression

On Fri, 22 Oct 2010, Maxim Levitsky wrote:

> This reintroduces the bug I fixed.
> 
> if the CONFIG_MMC_UNSAFE_RESUME isn't set (and that is default
> unfortunately), the host->bus_ops->resume will be NULL (see core/mmc.c
> mmc_ops), and therefore card will be removed, that will trigger a block
> device removal, sync, and deadlock).

Maybe mmc_ops should have a non NULL resume method then?


Nicolas
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