linux-kernel - Re: [PATCH v3 00/15] omap_hsmmc: regulator usage cleanup and fixes

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Date:	Thu, 27 Aug 2015 18:50:30 +0530
From:	Kishon Vijay Abraham I <kishon@...com>
To:	Ulf Hansson <ulf.hansson@...aro.org>
CC:	Andreas Fenkart <afenkart@...il.com>,
	Tony Lindgren <tony@...mide.com>,
	linux-mmc <linux-mmc@...r.kernel.org>,
	linux-omap <linux-omap@...r.kernel.org>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
	Sekhar Nori <nsekhar@...com>, Neil Brown <neilb@...e.de>
Subject: Re: [PATCH v3 00/15] omap_hsmmc: regulator usage cleanup and fixes



On Thursday 27 August 2015 06:39 PM, Ulf Hansson wrote:
> On 27 August 2015 at 11:13, Kishon Vijay Abraham I <kishon@...com> wrote:
>> This patch series does the following
>> *) Uses devm_regulator_get_optional() for vmmc and then removes the
>>    CONFIG_REGULATOR check altogether.
>> *) return on -EPROBE_DEFER and any other fatal errors
>> *) enable/disable vmmc_aux regulator based on prior state
>>
>> Changes from v2:
>> *) rebased to mmc -next branch
>> *) dropped using "mmc_of_parse_voltage" to get ocr_avail patch.
>>
>> Changes from v1:
>> *) return on -EPROBE_DEFER and other fatal errors. (Don't return only
>>    if the return value is -ENODEV)
>> *) Remove the beagle x15 dts patch. It can be part of a different
>>    series.
>> *) Avoid using regulator_is_enabled for vqmmc since if the regulator
>>    is shared and the other users are not using regulator_is_enabled
>>    then there can be unbalanced regulator_enable/regulator_disable
>>
>> I've pushed this patch series to
>> git://git.ti.com/linux-phy/linux-phy.git mmc_for-next
>>
>> Please note the branch also has the pbias fixes [1].
>> [1] -> https://lkml.org/lkml/2015/7/27/358
>>
>> This series is in preparation for implementing the voltage switch
>> sequence so that UHS cards can be supported.
>>
>> Did basic read/write test in J6, J6 Eco, Beagle-x15, AM437x EVM,
>> Beaglebone black, OMAP5 uEVM, OMAP4 PANDA and OMAP3gle xm.
>>
>> Kishon Vijay Abraham I (15):
>>   mmc: host: omap_hsmmc: use devm_regulator_get_optional() for vmmc
>>   mmc: host: omap_hsmmc: return on fatal errors from omap_hsmmc_reg_get
>>   mmc: host: omap_hsmmc: cleanup omap_hsmmc_reg_get()
>>   mmc: host: omap_hsmmc: use the ocrmask provided by the vmmc regulator
>>   mmc: host: omap_hsmmc: use mmc_host's vmmc and vqmmc
>>   mmc: host: omap_hsmmc: remove unnecessary pbias set_voltage
>>   mmc: host: omap_hsmmc: return error if any of the regulator APIs fail
>>   mmc: host: omap_hsmmc: add separate functions for enable/disable
>>     supply
>>   mmc: host: omap_hsmmc: add separate function to set pbias
>>   mmc: host: omap_hsmmc: avoid pbias regulator enable on power off
>>   mmc: host: omap_hsmmc: don't use ->set_power to set initial regulator
>>     state
>>   mmc: host: omap_hsmmc: enable/disable vmmc_aux regulator based on
>>     previous state
>>   mmc: host: omap_hsmmc: use regulator_is_enabled to find pbias status
>>   mmc: host: omap_hsmmc: use ios->vdd for setting vmmc voltage
>>   mmc: host: omap_hsmmc: remove CONFIG_REGULATOR check
>>
>>  drivers/mmc/host/omap_hsmmc.c |  326 +++++++++++++++++++++++++++--------------
>>  1 file changed, 212 insertions(+), 114 deletions(-)
>>
>> --
>> 1.7.9.5
>>
> 
> Thanks, applied for next!

Thank you.

-Kishon
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