linux-kernel - [PATCH v1 0/3]mmc: add runtime pm for mmc host stack

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Message-ID: <20110114082255.GA27523@intel.com>
Date:	Fri, 14 Jan 2011 16:22:55 +0800
From:	Chuanxiao Dong <chuanxiao.dong@...el.com>
To:	linux-mmc@...r.kernel.org
Cc:	linux-kernel@...r.kernel.org, cjb@...top.org, ohad@...ery.com
Subject: [PATCH v1 0/3]mmc: add runtime pm for mmc host stack

Hi all,
   These are the version 1 patches for enabling runtime power management for
   mmc host driver stack.

   Right now runtime pm in mmc driver stack can only care about the
   power of SDIO card, not the host controller. Host controller also needs
   runtime pm to save power.

   MMC host can let the host device go into runtime suspended state when
   there is no user request to deal, and wake up host device when there
   comes one. MMC driver will manage the power of host controller like this
   way.

   patch1: implemented runtime pm for mmc host
   patch2: implemented runtime pm for SDHCI host controller
   patch3: Do not let mmc host clock gated when host is in runtime suspended
   state.

Thanks
Chuanxiao
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