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

[Ulf Hansson]

On 27 August 2015 at 11:13, Kishon Vijay Abraham I <kishon@xxxxxx> 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!

Kind regards
Uffe
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