linux-kernel - Re: [PATCH v2 3/3] ARM: samsung: exynos5250: Allow CPU1 to boot

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Message-ID: <aTFvBwjms8msxIae@duo.ucw.cz>
Date: Thu, 4 Dec 2025 12:22:47 +0100
From: Pavel Machek <pavel@....cz>
To: Lukas Timmermann <linux@...mermann.space>
Cc: Krzysztof Kozlowski <krzk@...nel.org>,
	Alim Akhtar <alim.akhtar@...sung.com>,
	Rob Herring <robh@...nel.org>, Conor Dooley <conor+dt@...nel.org>,
	Russell King <linux@...linux.org.uk>,
	linux-arm-kernel@...ts.infradead.org,
	linux-samsung-soc@...r.kernel.org, devicetree@...r.kernel.org,
	linux-kernel@...r.kernel.org, Alexandre Marquet <tb@...arquet.fr>
Subject: Re: [PATCH v2 3/3] ARM: samsung: exynos5250: Allow CPU1 to boot

On Tue 2025-11-25 16:12:42, Lukas Timmermann wrote:
> From: Alexandre Marquet <tb@...arquet.fr>
> 
> Add an exception to let the secondary CPU boot.
> 
> Signed-off-by: Alexandre Marquet <tb@...arquet.fr>
> Signed-off-by: Lukas Timmermann <linux@...mermann.space>
> ---
>  arch/arm/mach-exynos/firmware.c | 4 ++--
>  1 file changed, 2 insertions(+), 2 deletions(-)
> 
> diff --git a/arch/arm/mach-exynos/firmware.c b/arch/arm/mach-exynos/firmware.c
> index a5e22678e27b..80e645b4d338 100644
> --- a/arch/arm/mach-exynos/firmware.c
> +++ b/arch/arm/mach-exynos/firmware.c
> @@ -61,10 +61,10 @@ static int exynos_cpu_boot(int cpu)
>  	 * Exynos3250 doesn't need to send smc command for secondary CPU boot
>  	 * because Exynos3250 removes WFE in secure mode.
>  	 *
> -	 * On Exynos5 devices the call is ignored by trustzone firmware.
> +	 * On most Exynos5 devices the call is ignored by trustzone firmware.
>  	 */
>  	if (!soc_is_exynos4210() && !soc_is_exynos4212() &&
> -	    !soc_is_exynos4412())
> +	    !soc_is_exynos4412() && !of_machine_is_compatible("samsung,nexus10-manta"))
>  		return 0;

Strange -- +       compatible = "google,manta", "samsung,exynos5250", "samsung,exynos5";

Should this be google,manta or something?

Also please cc: phone-devel mailing list with phone related patches.

Best regards,
								Pavel

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