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

From: Kishon Vijay Abraham I
Date: Thu Mar 15 2018 - 06:03:10 EST




On Thursday 15 March 2018 02:22 PM, Adrian Hunter wrote:
> 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.

sure, thanks!

-Kishon