Re: [PATCH v3 00/11] mmc: sdhci-omap: Add UHS/HS200 mode support

From: Adrian Hunter
Date: Thu Mar 15 2018 - 04:53:28 EST


On 15/03/18 10:47, Ulf Hansson wrote:
> On 7 March 2018 at 14:20, Kishon Vijay Abraham I <kishon@xxxxxx> wrote:
>> Add UHS/HS200 mode support in sdhci-omap. The programming sequence
>> for voltage switching, tuning is followed from AM572x TRM
>> http://www.ti.com/lit/ug/spruhz6i/spruhz6i.pdf
>> (Similar to all AM57x/DRA7x SoCs). The patch series also implements
>> workaround for errata published in
>> http://www.ti.com/lit/er/sprz429k/sprz429k.pdf
>>
>> patches are created on top of
>> git://git.kernel.org/pub/scm/linux/kernel/git/ulfh/mmc.git next
>>
>> Patches in v2 already applied to mmc -next are dropped from the
>> series.
>>
>> Changes from v2:
>> *) Changed SW timeout logic as per Adrians's suggestion
>> *) Validated SDIO with the current patches (added a couple of fixes
>> found while adding SDIO support).
>> *) Used soc_device_match() instead of pdata-quirks as per Tony's
>> suggestions.
>>
>> Changes from v1:
>> *) Only poll on DAT0 and DATI for card_busy status
>> *) Cleanup iodelay patch as suggested by Tony.
>> *) Added quirk to disable HW timeout
>> *) Use the existing data timer but program a relatively accurate
>> SW timeout value (Impacts all platforms)
>> *) Fix a bug in sdhci which was using data_timer for non data line
>> commands
>>
>> Kishon Vijay Abraham I (11):
>> mmc: sdhci-omap: Fix when capabilities are obtained from
>> SDHCI_CAPABILITIES reg
>> mmc: sdhci-omap: Remove setting ADMA capability in driver
>> mmc: sdhci-omap: Workaround for Errata i843
>> mmc: sdhci-omap: Invoke sdhci_get_of_property to read sdhci dt
>> properties
>> mmc: sdhci: Disable HS200 mode if controller can't support 1.8v
>> mmc: sdhci: Add quirk to disable HW timeout
>> mmc: sdhci: Program a relatively accurate SW timeout value
>> mmc: sdhci-omap: Workaround for Errata i834
>> dt-bindings: sdhci-omap: Add K2G specific binding
>> mmc: sdhci-omap: Add support for MMC/SD controller in k2g SoC
>> mmc: sdhci-omap: Add sdhci_omap specific ops for enable_sdio_irq
>>
>> .../devicetree/bindings/mmc/sdhci-omap.txt | 2 +
>> drivers/mmc/host/sdhci-omap.c | 78 +++++++++++++++++++---
>> drivers/mmc/host/sdhci.c | 75 +++++++++++++++++----
>> drivers/mmc/host/sdhci.h | 15 +++++
>> 4 files changed, 148 insertions(+), 22 deletions(-)
>>
>> --
>> 2.11.0
>>
>
> Overall this looks good to me, however it seems like we need to give
> Adrian a little more time to comment.
>

I will try to look at it today.