linux-kernel - Re: [PATCH] watchdog: Convert to use devm_platform_ioremap

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Message-ID: <4fe758d6-b617-ec8e-0b85-9daa02d28a8d@xilinx.com>
Date:   Wed, 3 Apr 2019 09:09:37 +0200
From:   Michal Simek <michal.simek@...inx.com>
To:     Guenter Roeck <linux@...ck-us.net>,
        Wim Van Sebroeck <wim@...ux-watchdog.org>
CC:     <linux-watchdog@...r.kernel.org>, <linux-kernel@...r.kernel.org>,
        Joel Stanley <joel@....id.au>,
        Nicolas Ferre <nicolas.ferre@...rochip.com>,
        Alexandre Belloni <alexandre.belloni@...tlin.com>,
        Florian Fainelli <f.fainelli@...il.com>,
        Linus Walleij <linus.walleij@...aro.org>,
        Baruch Siach <baruch@...s.co.il>,
        Keguang Zhang <keguang.zhang@...il.com>,
        Vladimir Zapolskiy <vz@...ia.com>,
        Kevin Hilman <khilman@...libre.com>,
        Matthias Brugger <matthias.bgg@...il.com>,
        Avi Fishman <avifishman70@...il.com>,
        Nancy Yuen <yuenn@...gle.com>,
        Brendan Higgins <brendanhiggins@...gle.com>,
        Wan ZongShun <mcuos.com@...il.com>,
        Michal Simek <michal.simek@...inx.com>,
        Sylvain Lemieux <slemieux.tyco@...il.com>,
        Kukjin Kim <kgene@...nel.org>, Barry Song <baohua@...nel.org>,
        Orson Zhai <orsonzhai@...il.com>,
        Patrice Chotard <patrice.chotard@...com>,
        Maxime Coquelin <mcoquelin.stm32@...il.com>,
        Maxime Ripard <maxime.ripard@...tlin.com>,
        Chen-Yu Tsai <wens@...e.org>,
        Marc Gonzalez <marc.w.gonzalez@...e.fr>,
        Thierry Reding <thierry.reding@...il.com>,
        Shawn Guo <shawnguo@...nel.org>
Subject: Re: [PATCH] watchdog: Convert to use devm_platform_ioremap_resource

On 02. 04. 19 21:01, Guenter Roeck wrote:
> Use devm_platform_ioremap_resource to reduce source code size,
> improve readability, and reduce the likelyhood of bugs.
> 
> The conversion was done automatically with coccinelle using the
> following semantic patch.
> 
> @r@
> identifier res, pdev;
> expression a;
> expression index;
> expression e;
> @@
> 
> <+...
> - res = platform_get_resource(pdev, IORESOURCE_MEM, index);
> - a = devm_ioremap_resource(e, res);
> + a = devm_platform_ioremap_resource(pdev, index);
> ...+>
> 
> @depends on r@
> identifier r.res;
> @@
> - struct resource *res;
>   ... when != res
> 
> @@
> identifier res, pdev;
> expression index;
> expression a;
> @@
> - struct resource *res = platform_get_resource(pdev, IORESOURCE_MEM, index);
> - a = devm_ioremap_resource(&pdev->dev, res);
> + a = devm_platform_ioremap_resource(pdev, index);
> 
> Cc: Joel Stanley <joel@....id.au>
> Cc: Nicolas Ferre <nicolas.ferre@...rochip.com>
> Cc: Alexandre Belloni <alexandre.belloni@...tlin.com>
> Cc: Florian Fainelli <f.fainelli@...il.com>
> Cc: Linus Walleij <linus.walleij@...aro.org>
> Cc: Baruch Siach <baruch@...s.co.il>
> Cc: Keguang Zhang <keguang.zhang@...il.com>
> Cc: Vladimir Zapolskiy <vz@...ia.com>
> Cc: Kevin Hilman <khilman@...libre.com>
> Cc: Matthias Brugger <matthias.bgg@...il.com>
> Cc: Avi Fishman <avifishman70@...il.com>
> Cc: Nancy Yuen <yuenn@...gle.com>
> Cc: Brendan Higgins <brendanhiggins@...gle.com>
> Cc: Wan ZongShun <mcuos.com@...il.com>
> Cc: Michal Simek <michal.simek@...inx.com>
> Cc: Sylvain Lemieux <slemieux.tyco@...il.com>
> Cc: Kukjin Kim <kgene@...nel.org>
> Cc: Barry Song <baohua@...nel.org>
> Cc: Orson Zhai <orsonzhai@...il.com>
> Cc: Patrice Chotard <patrice.chotard@...com>
> Cc: Maxime Coquelin <mcoquelin.stm32@...il.com>
> Cc: Maxime Ripard <maxime.ripard@...tlin.com>
> Cc: Chen-Yu Tsai <wens@...e.org>
> Cc: Marc Gonzalez <marc.w.gonzalez@...e.fr>
> Cc: Thierry Reding <thierry.reding@...il.com>
> Cc: Shawn Guo <shawnguo@...nel.org>
> Signed-off-by: Guenter Roeck <linux@...ck-us.net>
> ---
>  drivers/watchdog/asm9260_wdt.c    | 4 +---
>  drivers/watchdog/aspeed_wdt.c     | 4 +---
>  drivers/watchdog/at91sam9_wdt.c   | 4 +---
>  drivers/watchdog/ath79_wdt.c      | 4 +---
>  drivers/watchdog/atlas7_wdt.c     | 4 +---
>  drivers/watchdog/bcm7038_wdt.c    | 4 +---
>  drivers/watchdog/bcm_kona_wdt.c   | 4 +---
>  drivers/watchdog/cadence_wdt.c    | 4 +---
...
>  drivers/watchdog/of_xilinx_wdt.c  | 4 +---

Acked-by: Michal Simek <michal.simek@...inx.com> (cadence/xilinx wdts)

Thanks,
Michal