From: Markus Elfring <Markus.Elfring@web.de>
To: "Pengyu Luo" <mitltlatltl@gmail.com>,
platform-driver-x86@vger.kernel.org, devicetree@vger.kernel.org,
linux-arm-msm@vger.kernel.org, linux-usb@vger.kernel.org,
linux-pm@vger.kernel.org,
"Bjorn Andersson" <andersson@kernel.org>,
"Bryan O'Donoghue" <bryan.odonoghue@linaro.org>,
"Conor Dooley" <conor+dt@kernel.org>,
"Greg Kroah-Hartman" <gregkh@linuxfoundation.org>,
"Hans de Goede" <hdegoede@redhat.com>,
"Heikki Krogerus" <heikki.krogerus@linux.intel.com>,
"Ilpo Järvinen" <ilpo.jarvinen@linux.intel.com>,
"Konrad Dybcio" <konradybcio@kernel.org>,
"Krzysztof Kozlowski" <krzk+dt@kernel.org>,
"Rob Herring" <robh@kernel.org>,
"Sebastian Reichel" <sre@kernel.org>
Cc: LKML <linux-kernel@vger.kernel.org>,
Dmitry Baryshkov <dmitry.baryshkov@linaro.org>,
Nikita Travkin <nikita@trvn.ru>
Subject: Re: [PATCH 2/5] platform: arm64: add Huawei Matebook E Go (sc8280xp) EC driver
Date: Sun, 29 Dec 2024 15:49:01 +0100 [thread overview]
Message-ID: <b55886e2-9a21-4903-b344-2dccb359bcbc@web.de> (raw)
In-Reply-To: <20241227171353.404432-3-mitltlatltl@gmail.com>
…
> +++ b/drivers/platform/arm64/huawei-gaokun-ec.c
> @@ -0,0 +1,598 @@
…
> +static int gaokun_ec_request(struct gaokun_ec *ec, const u8 *req,
> + size_t resp_len, u8 *resp)
> +{
…
> + mutex_lock(&ec->lock);
> +
> + i2c_transfer(client->adapter, msgs, 2);
> + usleep_range(2000, 2500);
> +
> + mutex_unlock(&ec->lock);
> +
> + return *resp;
> +}
…
Under which circumstances would you become interested to apply a statement
like “guard(mutex)(&ec->lock);”?
https://elixir.bootlin.com/linux/v6.13-rc3/source/include/linux/mutex.h#L201
Regards,
Markus
next prev parent reply other threads:[~2024-12-29 14:49 UTC|newest]
Thread overview: 51+ messages / expand[flat|nested] mbox.gz Atom feed top
2024-12-27 17:13 [PATCH 0/5] platform: arm64: Huawei Matebook E Go embedded controller Pengyu Luo
2024-12-27 17:13 ` [PATCH 1/5] dt-bindings: platform: Add Huawei Matebook E Go EC Pengyu Luo
2024-12-27 18:18 ` Rob Herring (Arm)
2024-12-28 9:54 ` Krzysztof Kozlowski
2024-12-28 10:50 ` Pengyu Luo
2024-12-29 9:50 ` Krzysztof Kozlowski
2024-12-29 10:12 ` Pengyu Luo
2024-12-30 7:28 ` Aiqun(Maria) Yu
2024-12-30 7:35 ` Krzysztof Kozlowski
2024-12-30 9:10 ` Aiqun(Maria) Yu
2024-12-30 8:00 ` Pengyu Luo
2025-01-01 5:57 ` Pengyu Luo
2024-12-27 17:13 ` [PATCH 2/5] platform: arm64: add Huawei Matebook E Go (sc8280xp) EC driver Pengyu Luo
2024-12-27 18:21 ` Maya Matuszczyk
2024-12-28 5:42 ` Pengyu Luo
2024-12-28 9:58 ` Krzysztof Kozlowski
2024-12-28 11:34 ` [PATCH 1/5] dt-bindings: platform: Add Huawei Matebook E Go EC Pengyu Luo
2024-12-29 4:08 ` Dmitry Baryshkov
2024-12-29 9:04 ` [PATCH 2/5] platform: arm64: add Huawei Matebook E Go (sc8280xp) EC driver Pengyu Luo
2024-12-29 9:44 ` Krzysztof Kozlowski
2024-12-29 9:43 ` [PATCH 1/5] dt-bindings: platform: Add Huawei Matebook E Go EC Krzysztof Kozlowski
2024-12-29 10:28 ` Pengyu Luo
2024-12-29 21:45 ` Krzysztof Kozlowski
2024-12-28 12:33 ` [PATCH 2/5] platform: arm64: add Huawei Matebook E Go (sc8280xp) EC driver Bryan O'Donoghue
2024-12-28 13:51 ` Pengyu Luo
2024-12-29 15:32 ` Ilpo Järvinen
2024-12-29 15:55 ` Pengyu Luo
2024-12-29 14:49 ` Markus Elfring [this message]
2024-12-30 9:04 ` Aiqun(Maria) Yu
2024-12-30 10:44 ` Pengyu Luo
2024-12-31 5:00 ` Aiqun(Maria) Yu
2024-12-31 7:44 ` Pengyu Luo
2024-12-31 11:09 ` Bryan O'Donoghue
2025-01-03 5:38 ` Dmitry Baryshkov
2025-01-03 7:19 ` Pengyu Luo
2025-01-01 11:27 ` Pengyu Luo
2024-12-27 17:13 ` [PATCH 3/5] usb: typec: ucsi: add Huawei Matebook E Go (sc8280xp) ucsi driver Pengyu Luo
2024-12-28 13:06 ` Bryan O'Donoghue
2024-12-28 14:38 ` Pengyu Luo
2024-12-29 14:51 ` Bryan O'Donoghue
2024-12-29 16:25 ` Pengyu Luo
2024-12-29 4:40 ` Dmitry Baryshkov
2024-12-29 9:05 ` Pengyu Luo
2025-01-06 3:33 ` Dmitry Baryshkov
2025-01-06 9:20 ` [PATCH 1/5] dt-bindings: platform: Add Huawei Matebook E Go EC Pengyu Luo
2025-01-06 9:22 ` [PATCH 3/5] usb: typec: ucsi: add Huawei Matebook E Go (sc8280xp) ucsi driver Pengyu Luo
2024-12-29 16:15 ` Markus Elfring
2024-12-27 17:13 ` [PATCH 4/5] power: supply: add Huawei Matebook E Go (sc8280xp) psy driver Pengyu Luo
2024-12-27 17:13 ` [PATCH 5/5] arm64: dts: qcom: gaokun3: Add Embedded Controller node Pengyu Luo
2024-12-30 14:53 ` Konrad Dybcio
2024-12-30 16:22 ` Pengyu Luo
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