linux-kernel - Re: [PATCH v3 1/2] drivers: provide devm_platform_request

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Date:   Wed, 27 May 2020 20:45:09 +0200
From:   Markus Elfring <Markus.Elfring@....de>
To:     Dejin Zheng <zhengdejin5@...il.com>,
        kernel-janitors@...r.kernel.org, linux-doc@...r.kernel.org,
        linux-i2c@...r.kernel.org
Cc:     linux-kernel@...r.kernel.org, Coccinelle <cocci@...teme.lip6.fr>,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        Grygorii Strashko <grygorii.strashko@...com>,
        Jonathan Corbet <corbet@....net>,
        Michal Simek <michal.simek@...inx.com>,
        Linus Walleij <linus.walleij@...aro.org>,
        Wolfram Sang <wsa+renesas@...g-engineering.com>,
        Wolfram Sang <wsa@...-dreams.de>
Subject: Re: [PATCH v3 1/2] drivers: provide devm_platform_request_irq()

> It will call devm_request_irq() after platform_get_irq() function
> in many drivers, sometimes, it is not right for the error handling
> of these two functions in some drivers. so provide this function
> to simplify the driver.

I recommend to improve also this change description.
How do you think about a wording variant like the following?

   The function “devm_request_irq” is called after the
   function “platform_get_irq” in many drivers.
   The exception handling is incomplete there sometimes.
   Thus add a corresponding wrapper function for the simplification
   of the drivers.

Will a companion script for the semantic patch language (Coccinelle software)
become helpful for further support of collateral evolution?

Regards,
Markus