linux-kernel - [RFC PATCH 0/2] Init runtime PM support for dw

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Date:   Fri, 23 Sep 2016 12:17:43 +0800
From:   Shawn Lin <shawn.lin@...k-chips.com>
To:     Jaehoon Chung <jh80.chung@...sung.com>,
        Ulf Hansson <ulf.hansson@...aro.org>
Cc:     linux-mmc@...r.kernel.org, linux-kernel@...r.kernel.org,
        Doug Anderson <dianders@...omium.org>,
        linux-rockchip@...ts.infradead.org,
        Shawn Lin <shawn.lin@...k-chips.com>
Subject: [RFC PATCH 0/2] Init runtime PM support for dw_mmc


Hi Jaehoon and Ulf,

This a patchset going to support runtime PM for dw_mmc.
Basically it is a prototype design with some redundant
code there. But I think it's okay to send it out for sure
I am not heading in the wrong direction.

Still something more need to support:
(1) Support switching sd detect to gpio irq wakeup when calling
    runtime PM.
(2) Then we could disable/enable biu_clk and add off/on genpd
    for runtime PM
(3) remove dw_mci_suspend/resume and migrate dw_mci variant driver
    to use dw_mci_runtime_suspend/resume(Although I am not so sure)



Shawn Lin (2):
  mmc: dw_mmc: add runtime PM callback
  mmc: dw_mmc-rockchip: add runtime PM support

 drivers/mmc/host/dw_mmc-rockchip.c | 57 ++++++++++++++++++++++++++++++++++--
 drivers/mmc/host/dw_mmc.c          | 60 ++++++++++++++++++++++++++++++++++++--
 drivers/mmc/host/dw_mmc.h          |  4 ++-
 3 files changed, 115 insertions(+), 6 deletions(-)

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2.3.7