linux-kernel - Re: [PATCH V2 2/2] gpio: pmic-eic-sprd: Add can

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Message-ID: <ZQxjxA2UwHpTPKKr@smile.fi.intel.com>
Date:   Thu, 21 Sep 2023 18:39:48 +0300
From:   Andy Shevchenko <andy@...nel.org>
To:     Wenhua Lin <Wenhua.Lin@...soc.com>
Cc:     Linus Walleij <linus.walleij@...aro.org>,
        Bartosz Golaszewski <brgl@...ev.pl>,
        Orson Zhai <orsonzhai@...il.com>,
        Baolin Wang <baolin.wang@...ux.alibaba.com>,
        Chunyan Zhang <zhang.lyra@...il.com>,
        linux-gpio@...r.kernel.org, linux-kernel@...r.kernel.org,
        wenhua lin <wenhua.lin1994@...il.com>,
        Xiongpeng Wu <xiongpeng.wu@...soc.com>
Subject: Re: [PATCH V2 2/2] gpio: pmic-eic-sprd: Add can_sleep flag for PMIC
 EIC chip

On Thu, Sep 21, 2023 at 08:25:27PM +0800, Wenhua Lin wrote:
> The drivers uses a mutex and I2C bus access in its PMIC EIC chip
> get implementation. This means these functions can sleep and the PMIC EIC
> chip should set the can_sleep property to true.
> 
> This will ensure that a warning is printed when trying to get the
> value from a context that potentially can't sleep.

This deserves a Fixes tag.

-- 
With Best Regards,
Andy Shevchenko