linux-kernel - Re: [PATCH v2 6/7] hwrng: exynos: Enable Exynos850 support

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Date: Thu, 20 Jun 2024 10:47:44 +0200
From: Lukasz Stelmach <l.stelmach@...sung.com>
To: Sam Protsenko <semen.protsenko@...aro.org>
Cc: Krzysztof Kozlowski <krzk+dt@...nel.org>,  Rob Herring
	<robh@...nel.org>,  Conor Dooley <conor+dt@...nel.org>,  Anand Moon
	<linux.amoon@...il.com>,  Olivia Mackall <olivia@...enic.com>,  Herbert Xu
	<herbert@...dor.apana.org.au>,  Alim Akhtar <alim.akhtar@...sung.com>,
	linux-samsung-soc@...r.kernel.org,  linux-crypto@...r.kernel.org,
	devicetree@...r.kernel.org,  linux-arm-kernel@...ts.infradead.org,
	linux-kernel@...r.kernel.org
Subject: Re: [PATCH v2 6/7] hwrng: exynos: Enable Exynos850 support

It was <2024-06-18 wto 15:45>, when Sam Protsenko wrote:
> Add Exynos850 compatible and its driver data. It's only possible to
> access TRNG block via SMC calls in Exynos850, so specify that fact using
> EXYNOS_SMC flag in the driver data.
>
> Signed-off-by: Sam Protsenko <semen.protsenko@...aro.org>
> ---
> Changes in v2:
>   - Changed QUIRK_SMC to EXYNOS_SMC to reflect the name change in the
>     previous patch
>
>  drivers/char/hw_random/exynos-trng.c | 3 +++
>  1 file changed, 3 insertions(+)
>

Acked-by: Łukasz Stelmach <l.stelmach@...sung.com>

> diff --git a/drivers/char/hw_random/exynos-trng.c b/drivers/char/hw_random/exynos-trng.c
> index 497d6018c6ba..841598037cce 100644
> --- a/drivers/char/hw_random/exynos-trng.c
> +++ b/drivers/char/hw_random/exynos-trng.c
> @@ -313,6 +313,9 @@ static DEFINE_SIMPLE_DEV_PM_OPS(exynos_trng_pm_ops, exynos_trng_suspend,
>  static const struct of_device_id exynos_trng_dt_match[] = {
>  	{
>  		.compatible = "samsung,exynos5250-trng",
> +	}, {
> +		.compatible = "samsung,exynos850-trng",
> +		.data = (void *)EXYNOS_SMC,
>  	},
>  	{ },
>  };

-- 
Łukasz Stelmach
Samsung R&D Institute Poland
Samsung Electronics

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