linux-kernel - Re: [PATCH v5 0/2] Small devm helper for devm implementations

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Message-ID: <69f6f7fc-4fb6-248a-684a-b853ee0836bc@free.fr>
Date:   Thu, 18 Jun 2020 13:38:32 +0200
From:   Marc Gonzalez <marc.w.gonzalez@...e.fr>
To:     Stephen Boyd <sboyd@...nel.org>,
        Michael Turquette <mturquette@...libre.com>,
        Kuninori Morimoto <kuninori.morimoto.gx@...esas.com>,
        Russell King <linux@...linux.org.uk>,
        Sudip Mukherjee <sudipm.mukherjee@...il.com>,
        Dmitry Torokhov <dmitry.torokhov@...il.com>,
        Guenter Roeck <linux@...ck-us.net>,
        Bjorn Andersson <bjorn.andersson@...aro.org>,
        Robin Murphy <robin.murphy@....com>,
        Geert Uytterhoeven <geert@...ux-m68k.org>,
        Arnd Bergmann <arnd@...db.de>,
        Ard Biesheuvel <ard.biesheuvel@...aro.org>,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        Rafael Wysocki <rjw@...ysocki.net>,
        Suzuki Poulose <suzuki.poulose@....com>,
        Mark Rutland <mark.rutland@....com>
Cc:     linux-clk <linux-clk@...r.kernel.org>,
        Linux ARM <linux-arm-kernel@...ts.infradead.org>,
        LKML <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH v5 0/2] Small devm helper for devm implementations

Hello everyone,

In my opinion, the small and simple devm_add() helper
(and its cousin, devm_vadd) can help make devm code
slightly easier to write and maintain.

Would anyone care to agree or disagree? :-)

Regards.


On 10/03/2020 11:11, Marc Gonzalez wrote:

> Differences from v4 to v5
> x Fix the grammar in devm_add comments [Geert]
> x Undo an unrelated change in devm_clk_put [Geert]
> 
> Differences from v3 to v4
> x Add a bunch of kerneldoc above devm_add() [Greg KH]
> x Split patch in two [Greg KH]
> 
> Differences from v2 to v3
> x Make devm_add() return an error-code rather than the raw data pointer
>   (in case devres_alloc ever returns an ERR_PTR) as suggested by Geert
> x Provide a variadic version devm_vadd() to work with structs as suggested
>   by Geert
> x Don't use nested ifs in clk_devm* implementations (hopefully simpler
>   code logic to follow) as suggested by Geert
> 
> Marc Gonzalez (2):
>   devres: Provide new helper for devm functions
>   clk: Use devm_add in managed functions
> 
>  drivers/base/devres.c    | 28 ++++++++++++
>  drivers/clk/clk-devres.c | 97 +++++++++++++++-------------------------
>  include/linux/device.h   |  3 ++
>  3 files changed, 67 insertions(+), 61 deletions(-)