From: Greg KH <gregkh@linuxfoundation.org>
To: Sowjanya Komatineni <skomatineni@nvidia.com>
Cc: Sasha Levin <sashal@kernel.org>,
adrian.hunter@intel.com, ulf.hansson@linaro.org,
baolin.wang@linaro.org, kstewart@linuxfoundation.org,
tglx@linutronix.de, bradleybolen@gmail.com,
thierry.reding@gmail.com, jonathanh@nvidia.com, anrao@nvidia.com,
linux-tegra@vger.kernel.org, linux-kernel@vger.kernel.org,
linux-mmc@vger.kernel.org, stable@vger.kernel.org
Subject: Re: [PATCH 5.4.33 0/2] Fix for long operation cmds busy detection
Date: Sat, 25 Apr 2020 09:04:08 +0200 [thread overview]
Message-ID: <20200425070408.GB2042217@kroah.com> (raw)
In-Reply-To: <81be9ca0-5c61-6e94-8398-85354764b429@nvidia.com>
On Fri, Apr 24, 2020 at 07:42:16PM -0700, Sowjanya Komatineni wrote:
>
> On 4/24/20 6:45 PM, Sasha Levin wrote:
> > External email: Use caution opening links or attachments
> >
> >
> > On Fri, Apr 24, 2020 at 01:06:04PM -0700, Sowjanya Komatineni wrote:
> > > This series is to backport the upstream patches that fixes busy
> > > detection
> > > for long operation mmc commands by implementing Tegra specific timeout
> > > callback to switch between finite and infinite HW busy detection wait
> > > modes.
> > >
> > >
> > > Sowjanya Komatineni (2):
> > > sdhci: tegra: Implement Tegra specific set_timeout callback
> > > sdhci: tegra: Enable MMC_CAP_WAIT_WHILE_BUSY host capability
> >
> > What regression do these patches fix?
> >
> This isn't a regression as we don't have any known failures as of today with
> the specific mmc devices we are using on our platforms.
Have you read:
https://www.kernel.org/doc/html/latest/process/stable-kernel-rules.html
?
> But this patch fixes a long outstanding bug for sdhci-tegra to handle long
> busy wait for mmc command operations that may take longer than host max busy
> timeout. So, this is something that's missing from the beginning and good to
> have.
So it's a new feature?
next prev parent reply other threads:[~2020-04-25 7:04 UTC|newest]
Thread overview: 12+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-04-24 20:06 Sowjanya Komatineni
2020-04-24 20:06 ` [PATCH 5.4.33 1/2] sdhci: tegra: Implement Tegra specific set_timeout callback Sowjanya Komatineni
2020-04-24 20:06 ` [PATCH 5.4.33 2/2] sdhci: tegra: Enable MMC_CAP_WAIT_WHILE_BUSY host capability Sowjanya Komatineni
2020-04-25 1:45 ` [PATCH 5.4.33 0/2] Fix for long operation cmds busy detection Sasha Levin
2020-04-25 2:42 ` Sowjanya Komatineni
2020-04-25 7:04 ` Greg KH [this message]
2020-05-13 9:37 ` Greg KH
-- strict thread matches above, loose matches on Subject: below --
2020-04-22 16:32 Sowjanya Komatineni
2020-04-23 6:47 ` Greg KH
2020-04-23 15:38 ` Sowjanya Komatineni
2020-04-24 7:23 ` Ulf Hansson
2020-04-24 18:09 ` Sowjanya Komatineni
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