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From: NeilBrown <neilb@suse.de>
To: Tony Lindgren <tony@atomide.com>, Ulf Hansson <ulf.hansson@linaro.org>
Cc: GTA04 owners <gta04-owner@goldelico.com>,
	linux-omap <linux-omap@vger.kernel.org>,
	Andreas Fenkart <afenkart@gmail.com>,
	linux-mmc <linux-mmc@vger.kernel.org>,
	lkml <linux-kernel@vger.kernel.org>
Subject: [PATCH 0/4] Switch to 1-bit mode SDIO before disabling clocks.
Date: Tue, 24 Feb 2015 13:42:23 +1100	[thread overview]
Message-ID: <20150224024023.22719.32436.stgit@notabene.brown> (raw)

This is a reworking of this code that I promised at the end of
January.

SDIO interrupt in 4-bit mode require the clock to be running.  So we
need to switch to 1-bit mode before turning off the clock.

This series provides infrastructure in mmc-core, and adds the
functionality to omap_hsmmc.

Thanks,
NeilBrown


---

NeilBrown (4):
      mmc: core: fold mmc_set_bus_width calls into sdio_enable_4bit_bus.
      mmc: core: allow non-blocking form of mmc_claim_host
      mmc: sdio: support switching to 1-bit before turning off clocks
      mmc: omap_hsmmc: switch to 1-bit before stopping clocks.


 drivers/mmc/core/core.c       |   21 +++++++++---
 drivers/mmc/core/sdio.c       |   74 +++++++++++++++++++++++++++++------------
 drivers/mmc/host/omap_hsmmc.c |   13 ++++++-
 include/linux/mmc/core.h      |    2 +
 include/linux/mmc/host.h      |    2 +
 5 files changed, 83 insertions(+), 29 deletions(-)

--
Signature


             reply	other threads:[~2015-02-24  2:43 UTC|newest]

Thread overview: 13+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2015-02-24  2:42 NeilBrown [this message]
2015-02-24  2:42 ` [PATCH 3/4] mmc: sdio: support switching to 1-bit before turning off clocks NeilBrown
2015-03-03 22:53   ` Tony Lindgren
2015-03-04  5:28     ` NeilBrown
2015-03-04 15:08       ` Tony Lindgren
2015-03-23  9:10   ` Ulf Hansson
2015-03-25 21:49     ` NeilBrown
2015-02-24  2:42 ` [PATCH 2/4] mmc: core: allow non-blocking form of mmc_claim_host NeilBrown
2015-03-23  9:58   ` Ulf Hansson
2015-03-23 15:19     ` Ulf Hansson
2015-02-24  2:42 ` [PATCH 1/4] mmc: core: fold mmc_set_bus_width calls into sdio_enable_4bit_bus NeilBrown
2015-03-23  9:34   ` Ulf Hansson
2015-02-24  2:42 ` [PATCH 4/4] mmc: omap_hsmmc: switch to 1-bit before stopping clocks NeilBrown

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