linux-kernel - Re: [PATCH v2 0/8] Tegra SDHCI support HS400 on Tegra210 and Tegra186

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Message-ID: <20180824091103.GA9100@ulmo>
Date:   Fri, 24 Aug 2018 11:11:03 +0200
From:   Thierry Reding <thierry.reding@...il.com>
To:     Ulf Hansson <ulf.hansson@...aro.org>,
        Adrian Hunter <adrian.hunter@...el.com>
Cc:     Aapo Vienamo <avienamo@...dia.com>,
        Rob Herring <robh+dt@...nel.org>,
        Mark Rutland <mark.rutland@....com>,
        Jonathan Hunter <jonathanh@...dia.com>,
        Mikko Perttunen <mperttunen@...dia.com>,
        linux-mmc@...r.kernel.org, devicetree@...r.kernel.org,
        linux-tegra@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH v2 0/8] Tegra SDHCI support HS400 on Tegra210 and Tegra186

On Fri, Aug 10, 2018 at 09:13:57PM +0300, Aapo Vienamo wrote:
> Hi all,
> This series implements support for HS400 signaling on Tegra210 and
> Tegra186. This includes programming the DQS trimmer values, implementing
> enhanced strobe and HS400 delay line calibration.
> 
> This series depends on the "Tegra SDHCI add support for HS200 and UHS
> signaling" series.
> 
> Changelog:
> v2:
> 	- Document in dt-bindings which controllers support HS400
> 	- Use val instead of reg in tegra_sdhci_set_dqs_trim()
> 	- Change "dt" to "DT" in "mmc: tegra: Parse and program DQS trim
> 	  value" commit message
> 	- Add spaces around << in tegra_sdhci_set_dqs_trim()
> 	- Make the "mmc: tegra: Implement HS400 enhanced strobe" commit
> 	  message more detailed
> 	- Remove a debug print from tegra_sdhci_hs400_enhanced_strobe()
> 	- Add blank lines around if-else-block in
> 	  tegra_sdhci_hs400_enhanced_strobe()
> 	- Use val instead of reg in tegra_sdhci_hs400_enhanced_strobe()
> 	- Make commit message of "mmc: tegra: Implement HS400 delay line
> 	  calibration" more detailed
> 
> Aapo Vienamo (8):
>   dt-bindings: mmc: Add DQS trim value to Tegra SDHCI
>   mmc: tegra: Parse and program DQS trim value
>   mmc: tegra: Implement HS400 enhanced strobe
>   mmc: tegra: Implement HS400 delay line calibration
>   arm64: dts: tegra186: Add SDMMC4 DQS trim value
>   arm64: dts: tegra210: Add SDMMC4 DQS trim value
>   arm64: dts: tegra186: Enable HS400
>   arm64: dts: tegra210: Enable HS400
> 
>  .../bindings/mmc/nvidia,tegra20-sdhci.txt          |  4 ++
>  arch/arm64/boot/dts/nvidia/tegra186.dtsi           |  2 +
>  arch/arm64/boot/dts/nvidia/tegra210.dtsi           |  2 +
>  drivers/mmc/host/sdhci-tegra.c                     | 84 +++++++++++++++++++++-
>  4 files changed, 89 insertions(+), 3 deletions(-)

Ulf, Adrian,

Aapo just reminded me of this small series that also has a dependency on
the UHS signalling series posted earlier. I think it's easiest if I just
stash this on top of the existing branch that I have and send this along
with the rest as part of a pull request early after v4.19-rc1.

Thierry

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