linux-kernel - Re: [PATCH v5 2/3] hwrng: add hwrng driver for Rockchip RK3568 SoC

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Message-ID: <ZoiMvTzXMFxkfcJF@gondor.apana.org.au>
Date: Sat, 6 Jul 2024 10:15:57 +1000
From: Herbert Xu <herbert@...dor.apana.org.au>
To: Daniel Golle <daniel@...rotopia.org>
Cc: Aurelien Jarno <aurelien@...el32.net>,
	Olivia Mackall <olivia@...enic.com>, Rob Herring <robh@...nel.org>,
	Krzysztof Kozlowski <krzk+dt@...nel.org>,
	Conor Dooley <conor+dt@...nel.org>,
	Heiko Stuebner <heiko@...ech.de>,
	Philipp Zabel <p.zabel@...gutronix.de>,
	Uwe Kleine-König <ukleinek@...ian.org>,
	Dragan Simic <dsimic@...jaro.org>,
	Sascha Hauer <s.hauer@...gutronix.de>,
	Martin Kaiser <martin@...ser.cx>, Tony Luck <tony.luck@...el.com>,
	Ard Biesheuvel <ardb@...nel.org>, linux-crypto@...r.kernel.org,
	devicetree@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
	linux-rockchip@...ts.infradead.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH v5 2/3] hwrng: add hwrng driver for Rockchip RK3568 SoC

On Wed, Jun 26, 2024 at 02:37:10AM +0100, Daniel Golle wrote:
>
> +#ifndef CONFIG_PM
> +	rk_rng->rng.init = rk_rng_init;
> +	rk_rng->rng.cleanup = rk_rng_cleanup;
> +#endif

Please rewrite this as

	if (!IS_ENABLED(CONFIG_PM)) {
		...
	}

> +#ifdef CONFIG_PM
> +static int rk_rng_runtime_suspend(struct device *dev)
> +{
> +	struct rk_rng *rk_rng = dev_get_drvdata(dev);
> +
> +	rk_rng_cleanup(&rk_rng->rng);
> +
> +	return 0;
> +}
> +
> +static int rk_rng_runtime_resume(struct device *dev)
> +{
> +	struct rk_rng *rk_rng = dev_get_drvdata(dev);
> +
> +	return rk_rng_init(&rk_rng->rng);
> +}
> +#endif

These ifdefs should just disappear, with __maybe_unused added
instead.

Thanks,
-- 
Email: Herbert Xu <herbert@...dor.apana.org.au>
Home Page: http://gondor.apana.org.au/~herbert/
PGP Key: http://gondor.apana.org.au/~herbert/pubkey.txt