linux-kernel - Re: [Patch V10 2/3] tpm_tis-spi: Add hardware wait polling

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Message-ID: <ZHhW_wFvRWInR_iM@orome>
Date:   Thu, 1 Jun 2023 10:29:51 +0200
From:   Thierry Reding <thierry.reding@...il.com>
To:     Mark Brown <broonie@...nel.org>,
        Jarkko Sakkinen <jarkko@...nel.org>
Cc:     Krishna Yarlagadda <kyarlagadda@...dia.com>,
        "jsnitsel@...hat.com" <jsnitsel@...hat.com>,
        "robh+dt@...nel.org" <robh+dt@...nel.org>,
        "peterhuewe@....de" <peterhuewe@....de>,
        "jgg@...pe.ca" <jgg@...pe.ca>,
        "krzysztof.kozlowski+dt@...aro.org" 
        <krzysztof.kozlowski+dt@...aro.org>,
        "linux-spi@...r.kernel.org" <linux-spi@...r.kernel.org>,
        "linux-tegra@...r.kernel.org" <linux-tegra@...r.kernel.org>,
        "linux-integrity@...r.kernel.org" <linux-integrity@...r.kernel.org>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
        Jonathan Hunter <jonathanh@...dia.com>,
        Sowjanya Komatineni <skomatineni@...dia.com>,
        Laxman Dewangan <ldewangan@...dia.com>
Subject: Re: [Patch V10 2/3] tpm_tis-spi: Add hardware wait polling

On Wed, May 24, 2023 at 12:43:12PM +0000, Krishna Yarlagadda wrote:
> > -----Original Message-----
> > From: Krishna Yarlagadda <kyarlagadda@...dia.com>
> > Sent: Wednesday, May 10, 2023 8:41 PM
> > To: Thierry Reding <thierry.reding@...il.com>; Mark Brown
> > <broonie@...nel.org>
> > Cc: Jarkko Sakkinen <jarkko@...nel.org>; jsnitsel@...hat.com;
> > robh+dt@...nel.org; peterhuewe@....de; jgg@...pe.ca;
> > krzysztof.kozlowski+dt@...aro.org; linux-spi@...r.kernel.org; linux-
> > tegra@...r.kernel.org; linux-integrity@...r.kernel.org; linux-
> > kernel@...r.kernel.org; Jonathan Hunter <jonathanh@...dia.com>;
> > Sowjanya Komatineni <skomatineni@...dia.com>; Laxman Dewangan
> > <ldewangan@...dia.com>
> > Subject: RE: [Patch V10 2/3] tpm_tis-spi: Add hardware wait polling
> > 
> > 
> > > -----Original Message-----
> > > From: Thierry Reding <thierry.reding@...il.com>
> > > Sent: 24 April 2023 21:02
> > > To: Mark Brown <broonie@...nel.org>
> > > Cc: Jarkko Sakkinen <jarkko@...nel.org>; Krishna Yarlagadda
> > > <kyarlagadda@...dia.com>; jsnitsel@...hat.com; robh+dt@...nel.org;
> > > peterhuewe@....de; jgg@...pe.ca; krzysztof.kozlowski+dt@...aro.org;
> > > linux-spi@...r.kernel.org; linux-tegra@...r.kernel.org; linux-
> > > integrity@...r.kernel.org; linux-kernel@...r.kernel.org; Jonathan Hunter
> > > <jonathanh@...dia.com>; Sowjanya Komatineni
> > > <skomatineni@...dia.com>; Laxman Dewangan <ldewangan@...dia.com>
> > > Subject: Re: [Patch V10 2/3] tpm_tis-spi: Add hardware wait polling
> > >
> > > On Mon, Apr 24, 2023 at 04:18:45PM +0100, Mark Brown wrote:
> > > > On Mon, Apr 24, 2023 at 04:46:24PM +0200, Thierry Reding wrote:
> > > >
> > > > > Would it make sense for you to pick up patch 2/3 as well? As far as I
> > > > > can tell there's a build dependency on patch 1/3 because of the newly
> > > > > added SPI_TPM_HW_FLOW symbol.
> > > >
> > > > I'll include it in my pull request for spi this time round so it should
> > > > end up in -rc1, my thinking was that I was happy with the SPI bits and
> > > > if it was in -rc1 then the TPM bits could be handled without cross tree
> > > > issues when the review was sorted (which it is now but wasn't at the
> > > > time).  If the SPI side doesn't make -rc1 for some reason I can pick up
> > > > the TPM bit as well, and/or do a signed tag.
> > >
> > > Sounds good.
> > >
> > > Thanks,
> > > Thierry
> > 
> > Mark,
> > Now that SPI changes are in, can we pull this TPM change for rc2.
> > Will this be picked into SPI or TPM list?
> Jarkko, Mark,
> Can we pick this change in TPM list since SPI header changes are in.

Hey Mark, Jarkko,

any ideas on how we can best get this merged? I guess at this point it
could go through either tree since the SPI dependency has been in Linus'
tree since v6.4-rc1.

Thierry

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