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From: Markus Elfring <Markus.Elfring@web.de>
To: Maksym Holovach <nergzd@nergzd723.xyz>,
	Markuss Broks <markuss.broks@gmail.com>,
	linux-samsung-soc@vger.kernel.org, devicetree@vger.kernel.org,
	linux-arm-kernel@lists.infradead.org,
	Alim Akhtar <alim.akhtar@samsung.com>,
	Conor Dooley <conor+dt@kernel.org>,
	Krzysztof Kozlowski <krzk@kernel.org>,
	Rob Herring <robh@kernel.org>
Cc: LKML <linux-kernel@vger.kernel.org>,
	Ivaylo Ivanov <ivo.ivanov.ivanov1@gmail.com>
Subject: Re: [PATCH 2/3] soc: samsung: Add a driver for Samsung SPEEDY host controller
Date: Sat, 14 Dec 2024 15:43:41 +0100	[thread overview]
Message-ID: <44419be4-65b3-41eb-a696-cfefae84a423@web.de> (raw)
In-Reply-To: <20241212-speedy-v1-2-544ad7bcfb6a@gmail.com>

…
> SPEEDY is a proprietary 1 wire serial bus used by Samsung
> in various devices …

You may occasionally put more than 57 characters into text lines
of such a change description.


…
> +++ b/drivers/soc/samsung/exynos-speedy.c
> @@ -0,0 +1,457 @@
> +static int _speedy_read(struct speedy_controller *speedy, u32 reg, u32 addr, u32 *val)
> +{
> +	int ret;
> +	u32 cmd, int_ctl, int_status;
> +
> +	mutex_lock(&speedy->io_lock);
> +	ret = speedy_int_clear(speedy);
> +
> +	mutex_unlock(&speedy->io_lock);
> +
> +	return ret;
> +}
…

Under which circumstances would you become interested to apply a statement
like “guard(mutex)(&speedy->io_lock);”?
https://elixir.bootlin.com/linux/v6.13-rc2/source/include/linux/mutex.h#L201

Regards,
Markus


  parent reply	other threads:[~2024-12-14 14:45 UTC|newest]

Thread overview: 16+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2024-12-12 21:09 [PATCH 0/3] Add Samsung SPEEDY serial bus host controller driver Markuss Broks
2024-12-12 21:09 ` [PATCH 1/3] dt-bindings: soc: samsung: exynos-speedy: Document SPEEDY host controller bindings Markuss Broks
2024-12-12 22:30   ` Rob Herring (Arm)
2024-12-13  7:40   ` Krzysztof Kozlowski
2024-12-13  9:47     ` Markuss Broks
2024-12-12 21:09 ` [PATCH 2/3] soc: samsung: Add a driver for Samsung SPEEDY host controller Markuss Broks
2024-12-13  7:49   ` Krzysztof Kozlowski
2024-12-13  9:42     ` Markuss Broks
2024-12-13 13:55       ` Krzysztof Kozlowski
2024-12-14 12:06         ` Markuss Broks
2024-12-14 14:43   ` Markus Elfring [this message]
2024-12-17 17:31     ` Markuss Broks
2024-12-14 15:52   ` Christophe JAILLET
2024-12-17 17:28     ` Markuss Broks
2024-12-12 21:09 ` [PATCH 3/3] MAINTAINERS: Add entry for the Samsung Exynos " Markuss Broks
2024-12-13  8:42 ` [PATCH 0/3] Add Samsung SPEEDY serial bus host controller driver Krzysztof Kozlowski

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