From: Dmitry Osipenko <digetx@gmail.com>
To: Thierry Reding <thierry.reding@gmail.com>,
Daniel Lezcano <daniel.lezcano@linaro.org>,
Thomas Gleixner <tglx@linutronix.de>
Cc: Rob Herring <robh+dt@kernel.org>,
Jon Hunter <jonathanh@nvidia.com>,
devicetree@vger.kernel.org, linux-tegra@vger.kernel.org,
linux-kernel@vger.kernel.org
Subject: Re: [PATCH v3 2/7] clocksource: Add Tegra186 timers support
Date: Fri, 3 Apr 2020 23:58:40 +0300 [thread overview]
Message-ID: <894dbbd4-be96-13ce-96b9-432b5d71f06b@gmail.com> (raw)
In-Reply-To: <20200403202209.299823-3-thierry.reding@gmail.com>
03.04.2020 23:22, Thierry Reding пишет:
...
> +static int tegra186_wdt_set_timeout(struct watchdog_device *wdd,
> + unsigned int timeout)
> +{
> + struct tegra186_wdt *wdt = to_tegra186_wdt(wdd);
> +
> + if (watchdog_active(&wdt->base))
> + tegra186_wdt_disable(wdt);
Could this and other tegra186_wdt_enable/disable occurrences race with
the interrupt handler?
Shouldn't IRQ be disabled/enable in a such cases to avoid the races?
> + wdt->base.timeout = timeout;
> +
> + if (watchdog_active(&wdt->base))
> + tegra186_wdt_enable(wdt);
> +
> + return 0;
> +}
next prev parent reply other threads:[~2020-04-03 20:58 UTC|newest]
Thread overview: 14+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-04-03 20:22 [PATCH v3 0/7] clocksource: Add NVIDIA Tegra186 timers support Thierry Reding
2020-04-03 20:22 ` [PATCH v3 1/7] dt-bindings: timer: Add bindings for NVIDIA Tegra186 timers Thierry Reding
2020-04-14 18:10 ` Rob Herring
2020-04-03 20:22 ` [PATCH v3 2/7] clocksource: Add Tegra186 timers support Thierry Reding
2020-04-03 20:45 ` Dmitry Osipenko
2020-04-03 20:51 ` Dmitry Osipenko
2020-04-03 21:06 ` Dmitry Osipenko
2020-04-03 20:58 ` Dmitry Osipenko [this message]
2020-04-03 20:22 ` [PATCH v3 3/7] arm64: tegra: Order nodes by unit-address on Tegra194 Thierry Reding
2020-04-03 20:22 ` [PATCH v3 4/7] arm64: tegra: Add native timer support on Tegra186 Thierry Reding
2020-04-03 20:22 ` [PATCH v3 5/7] arm64: tegra: Enable native timers on Jetson TX2 Thierry Reding
2020-04-03 21:11 ` Dmitry Osipenko
2020-04-03 20:22 ` [PATCH v3 6/7] arm64: tegra: Add native timer support on Tegra194 Thierry Reding
2020-04-03 20:22 ` [PATCH v3 7/7] arm64: tegra: Enable native timers on Jetson AGX Xavier Thierry Reding
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