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Message-ID: <7cb1ce88cbf977801f2519178c270c1271100ac6.camel@perches.com>
Date:   Fri, 04 Feb 2022 06:01:44 -0800
From:   Joe Perches <joe@...ches.com>
To:     "Russell King (Oracle)" <linux@...linux.org.uk>
Cc:     nick.hawkins@....com, verdun@....com,
        David Airlie <airlied@...ux.ie>,
        Daniel Vetter <daniel@...ll.ch>,
        Rob Herring <robh+dt@...nel.org>,
        Linus Walleij <linus.walleij@...aro.org>,
        Bartosz Golaszewski <brgl@...ev.pl>,
        Corey Minyard <minyard@....org>,
        Krzysztof Kozlowski <krzysztof.kozlowski@...onical.com>,
        Miquel Raynal <miquel.raynal@...tlin.com>,
        Richard Weinberger <richard@....at>,
        Vignesh Raghavendra <vigneshr@...com>,
        "David S. Miller" <davem@...emloft.net>,
        Jakub Kicinski <kuba@...nel.org>,
        Thierry Reding <thierry.reding@...il.com>,
        Uwe Kleine-König 
        <u.kleine-koenig@...gutronix.de>, Lee Jones <lee.jones@...aro.org>,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        Mark Brown <broonie@...nel.org>,
        "Rafael J. Wysocki" <rafael@...nel.org>,
        Daniel Lezcano <daniel.lezcano@...aro.org>,
        Amit Kucheria <amitk@...nel.org>,
        Zhang Rui <rui.zhang@...el.com>,
        Thomas Gleixner <tglx@...utronix.de>,
        Wim Van Sebroeck <wim@...ux-watchdog.org>,
        Guenter Roeck <linux@...ck-us.net>,
        Arnd Bergmann <arnd@...db.de>, Olof Johansson <olof@...om.net>,
        soc@...nel.org, Shawn Guo <shawnguo@...nel.org>,
        Stanislav Jakubek <stano.jakubek@...il.com>,
        Sam Ravnborg <sam@...nborg.org>,
        Hao Fang <fanghao11@...wei.com>,
        Mark Rutland <mark.rutland@....com>,
        Marc Zyngier <maz@...nel.org>,
        Ard Biesheuvel <ardb@...nel.org>,
        Anshuman Khandual <anshuman.khandual@....com>,
        Wang Kefeng <wangkefeng.wang@...wei.com>,
        Lukas Bulwahn <lukas.bulwahn@...il.com>,
        Masahiro Yamada <masahiroy@...nel.org>,
        dri-devel@...ts.freedesktop.org, devicetree@...r.kernel.org,
        linux-kernel@...r.kernel.org, linux-gpio@...r.kernel.org,
        linux-i2c@...r.kernel.org,
        openipmi-developer@...ts.sourceforge.net,
        linux-mtd@...ts.infradead.org, netdev@...r.kernel.org,
        linux-pwm@...r.kernel.org, linux-serial@...r.kernel.org,
        linux-spi@...r.kernel.org, linux-pm@...r.kernel.org,
        linux-usb@...r.kernel.org, linux-watchdog@...r.kernel.org,
        linux-arm-kernel@...ts.infradead.org
Subject: Re: [PATCH] HPE BMC GXP SUPPORT

On Fri, 2022-02-04 at 12:31 +0000, Russell King (Oracle) wrote:
> On Fri, Feb 04, 2022 at 04:18:24AM -0800, Joe Perches wrote:
> > On Fri, 2022-02-04 at 12:05 +0000, Russell King (Oracle) wrote:
> > > On Wed, Feb 02, 2022 at 10:52:50AM -0600, nick.hawkins@....com wrote:
> > > > +	if (readb_relaxed(timer->control) & MASK_TCS_TC) {
> > > > +		writeb_relaxed(MASK_TCS_TC, timer->control);
> > > > +
> > > > +		event_handler = READ_ONCE(timer->evt.event_handler);
> > > > +		if (event_handler)
> > > > +			event_handler(&timer->evt);
> > > > +		return IRQ_HANDLED;
> > > > +	} else {
> > > > +		return IRQ_NONE;
> > > > +	}
> > > > +}
> > 
> > It's also less indented code and perhaps clearer to reverse the test
> > 
> > 	if (!readb_relaxed(timer->control) & MASK_TCS_TC)
> 
> This will need to be:
> 
>  	if (!(readb_relaxed(timer->control) & MASK_TCS_TC))

right, thanks.


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