From: Mikko Perttunen <mperttunen@nvidia.com>
To: Andi Shyti <andi.shyti@kernel.org>
Cc: Dmitry Osipenko <digetx@gmail.com>,
Thierry Reding <thierry.reding@gmail.com>,
Jonathan Hunter <jonathanh@nvidia.com>,
linux-i2c@vger.kernel.org, linux-tegra@vger.kernel.org,
linux-kernel@vger.kernel.org
Subject: Re: [PATCH] i2c: tegra: Don't mark devices with pins as IRQ safe
Date: Fri, 06 Feb 2026 12:38:08 +0900 [thread overview]
Message-ID: <13293829.O9o76ZdvQC@senjougahara> (raw)
In-Reply-To: <aYRzq2n1VU-fTXaO@zenone.zhora.eu>
On Thursday, February 5, 2026 7:47 PM Andi Shyti wrote:
> Hi Mikko,
>
> On Mon, Feb 02, 2026 at 01:42:34PM +0900, Mikko Perttunen wrote:
> > I2C devices with associated pinctrl states (DPAUX I2C controllers)
> > will change pinctrl state during runtime PM. This requires taking
> > a mutex, so these devices cannot be marked as IRQ safe.
> >
> > Discovered through lockdep.
>
> I removed this sentence...
Sorry about that.
>
> > Signed-off-by: Mikko Perttunen <mperttunen@nvidia.com>
>
> ... and merged the patch in i2c/i2c-host-2.
>
> Thanks,
> Andi
>
Thank you!
Looks like there's a COMPILE_TEST failure so we'll need to do something like ..
diff --git a/drivers/i2c/busses/Kconfig b/drivers/i2c/busses/Kconfig
index e11d50750e63..09152088b79f 100644
--- a/drivers/i2c/busses/Kconfig
+++ b/drivers/i2c/busses/Kconfig
@@ -1211,7 +1211,7 @@ config I2C_SYNQUACER
config I2C_TEGRA
tristate "NVIDIA Tegra internal I2C controller"
- depends on ARCH_TEGRA || (COMPILE_TEST && (ARC || ARM || ARM64 || M68K || RISCV || SUPERH || SPARC))
+ depends on ARCH_TEGRA || (COMPILE_TEST && (ARC || ARM || ARM64 || M68K || RISCV || SUPERH || SPARC) && PINCTRL)
# COMPILE_TEST needs architectures with readsX()/writesX() primitives
help
If you say yes to this option, support will be included for the
--
2.52.0
Please let me know how you'd like to go about it.
Mikko
next prev parent reply other threads:[~2026-02-06 3:38 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-02-02 4:42 [PATCH] i2c: tegra: Don't mark devices with pins as IRQ safe Mikko Perttunen
2026-02-02 5:08 ` Mikko Perttunen
2026-02-05 10:47 ` Andi Shyti
2026-02-06 3:38 ` Mikko Perttunen [this message]
2026-02-07 0:25 ` Andi Shyti
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