Received-SPF: pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::1:20 as permitted sender) client-ip=2620:137:e000::1:20;
Date:   Thu, 6 Jul 2023 10:39:47 +0800
From:   Jonathan Cameron <Jonathan.Cameron@Huawei.com>
To:     Paul Cercueil <paul@crapouillou.net>
CC:     Wolfram Sang <wsa@kernel.org>, <linux-i2c@vger.kernel.org>,
        <linux-kernel@vger.kernel.org>, Vladimir Zapolskiy <vz@mleia.com>,
        <linux-arm-kernel@lists.infradead.org>
Subject: Re: [PATCH 12/23] i2c: lpc2k: Remove #ifdef guards for PM related
 functions
Message-ID: <20230706103947.00000119@Huawei.com>
In-Reply-To: <20230705204314.89800-13-paul@crapouillou.net>
References: <20230705204314.89800-1-paul@crapouillou.net>
        <20230705204314.89800-13-paul@crapouillou.net>
Organization: Huawei Technologies Research and Development (UK) Ltd.
MIME-Version: 1.0
Content-Type: text/plain; charset="US-ASCII"
Content-Transfer-Encoding: 7bit
Precedence: bulk

On Wed,  5 Jul 2023 22:43:03 +0200
Paul Cercueil <paul@crapouillou.net> wrote:

> Use the new PM macros for the suspend and resume functions to be
> automatically dropped by the compiler when CONFIG_PM or
> CONFIG_PM_SLEEP are disabled, without having to use #ifdef guards.
> 
> This has the advantage of always compiling these functions in,
> independently of any Kconfig option. Thanks to that, bugs and other
> regressions are subsequently easier to catch.
> 
> Note that the behaviour is slightly different than before; the original
> code wrapped the suspend/resume with #ifdef CONFIG_PM guards, which
> resulted in these functions being compiled in but never used when
> CONFIG_PM_SLEEP was disabled.
> 
> Now, those functions are only compiled in when CONFIG_PM_SLEEP is
> enabled.
> 
> Also note that pm_sleep_ptr() has not been applied to each callback
> in the dev_pm_ops structure because the pm_sleep_ptr() at the usage site
> is sufficient.
> 
> Signed-off-by: Paul Cercueil <paul@crapouillou.net>
Reviewed-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>