linux-kernel - Re: [PATCH 01/21] arm64: Add ADI ADSP-SC598 SoC

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Message-ID: <b6af2603-7f72-47d7-98b9-6dc2761dfb74@web.de>
Date: Sat, 14 Sep 2024 19:15:08 +0200
From: Markus Elfring <Markus.Elfring@....de>
To: Arturs Artamonovs <Arturs.Artamonovs@...log.com>,
 Greg Malysa <greg.malysa@...esys.com>,
 Nathan Barrett-Morrison <nathan.morrison@...esys.com>,
 Utsav Agarwal <Utsav.Agarwal@...log.com>,
 linux-arm-kernel@...ts.infradead.org, linux-clk@...r.kernel.org,
 linux-gpio@...r.kernel.org, linux-i2c@...r.kernel.org,
 linux-serial@...r.kernel.org, devicetree@...r.kernel.org, soc@...nel.org,
 Andi Shyti <andi.shyti@...nel.org>, Arnd Bergmann <arnd@...db.de>,
 Bartosz Golaszewski <brgl@...ev.pl>,
 Catalin Marinas <catalin.marinas@....com>, Conor Dooley
 <conor+dt@...nel.org>, Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
 Jiri Slaby <jirislaby@...nel.org>, Krzysztof Kozlowski <krzk+dt@...nel.org>,
 Linus Walleij <linus.walleij@...aro.org>,
 Michael Turquette <mturquette@...libre.com>, Olof Johansson
 <olof@...om.net>, Philipp Zabel <p.zabel@...gutronix.de>,
 Rob Herring <robh@...nel.org>, Stephen Boyd <sboyd@...nel.org>,
 Thomas Gleixner <tglx@...utronix.de>, Will Deacon <will@...nel.org>
Cc: LKML <linux-kernel@...r.kernel.org>, adsp-linux@...log.com
Subject: Re: [PATCH 01/21] arm64: Add ADI ADSP-SC598 SoC

…
> +++ b/drivers/soc/adi/system.c
> @@ -0,0 +1,257 @@
…
> +static void adi_system_config_remove(struct platform_device *pdev)
+{
> +	struct adi_system_config *config = platform_get_drvdata(pdev);
> +	unsigned long flags;
> +
> +	spin_lock_irqsave(&adi_system_config_lock, flags);
> +	list_del(&config->list);
> +	spin_unlock_irqrestore(&adi_system_config_lock, flags);
> +}
…

Under which circumstances would you become interested to apply a statement
like “guard(spinlock_irqsave)(&adi_system_config_lock);”?
https://elixir.bootlin.com/linux/v6.11-rc7/source/include/linux/spinlock.h#L572

Regards,
Markus