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



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