linux-kernel - Re: [PATCH v1] i2c: tegra: Compile PM functions unconditionally

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Message-ID: <20190801124552.GF1659@ninjato>
Date:   Thu, 1 Aug 2019 14:45:52 +0200
From:   Wolfram Sang <wsa@...-dreams.de>
To:     Dmitry Osipenko <digetx@...il.com>
Cc:     Thierry Reding <thierry.reding@...il.com>,
        Jonathan Hunter <jonathanh@...dia.com>,
        Laxman Dewangan <ldewangan@...dia.com>,
        linux-i2c@...r.kernel.org, linux-tegra@...r.kernel.org,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCH v1] i2c: tegra: Compile PM functions unconditionally

On Mon, Jul 08, 2019 at 02:12:34AM +0300, Dmitry Osipenko wrote:
> The I2C driver fails to probe if CONFIG_PM_SLEEP=n because runtime PM
> doesn't depend on the PM sleep and in this case the runtime PM ops are
> not included in the driver, resulting in I2C clock not being enabled.
> It's much cleaner to simply allow compiler to remove the dead code
> instead of messing with the #ifdefs.
> 
> This patch fixes such errors when CONFIG_PM_SLEEP=n:
> 
>   tegra-i2c 7000c400.i2c: timeout waiting for fifo flush
>   tegra-i2c 7000c400.i2c: Failed to initialize i2c controller
> 
> Signed-off-by: Dmitry Osipenko <digetx@...il.com>

Applied to for-next, thanks!


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