From: Alexandre Belloni <alexandre.belloni@bootlin.com>
To: Geert Uytterhoeven <geert@linux-m68k.org>
Cc: linux-rtc@vger.kernel.org,
Alessandro Zummo <a.zummo@towertech.it>,
Sean Wang <sean.wang@mediatek.com>,
Linux Kernel Mailing List <linux-kernel@vger.kernel.org>,
linux-mediatek@lists.infradead.org,
Eddie Huang <eddie.huang@mediatek.com>,
Linux ARM <linux-arm-kernel@lists.infradead.org>
Subject: Re: [PATCH 1/2] rtc: mt2712: fix build without PM_SLEEP
Date: Tue, 17 Mar 2020 14:14:45 +0100 [thread overview]
Message-ID: <20200317131445.GC3448@piout.net> (raw)
In-Reply-To: <CAMuHMdVy6J1G5P6BQ14D65=pRu-q=+kcN3RV8mjtaZcwBooZyw@mail.gmail.com>
On 17/03/2020 13:30:10+0100, Geert Uytterhoeven wrote:
> > static SIMPLE_DEV_PM_OPS(mt2712_pm_ops, mt2712_rtc_suspend,
> > mt2712_rtc_resume);
>
> That's 23 more unused pointers in your kernel image.
>
This is true but, of the about 900 drivers setting pm callbacks, there
are only 39 doing that conditionally depending on CONFIG_PM or
CONFIG_PM_SLEEP. Interestingly, 9 of them are mediatek related.
--
Alexandre Belloni, Bootlin
Embedded Linux and Kernel engineering
https://bootlin.com
_______________________________________________
Linux-mediatek mailing list
Linux-mediatek@lists.infradead.org
http://lists.infradead.org/mailman/listinfo/linux-mediatek
WARNING: multiple messages have this Message-ID (diff)
From: Alexandre Belloni <alexandre.belloni@bootlin.com>
To: Geert Uytterhoeven <geert@linux-m68k.org>
Cc: Eddie Huang <eddie.huang@mediatek.com>,
Sean Wang <sean.wang@mediatek.com>,
Alessandro Zummo <a.zummo@towertech.it>,
linux-rtc@vger.kernel.org, linux-mediatek@lists.infradead.org,
Linux Kernel Mailing List <linux-kernel@vger.kernel.org>,
Linux ARM <linux-arm-kernel@lists.infradead.org>
Subject: Re: [PATCH 1/2] rtc: mt2712: fix build without PM_SLEEP
Date: Tue, 17 Mar 2020 14:14:45 +0100 [thread overview]
Message-ID: <20200317131445.GC3448@piout.net> (raw)
In-Reply-To: <CAMuHMdVy6J1G5P6BQ14D65=pRu-q=+kcN3RV8mjtaZcwBooZyw@mail.gmail.com>
On 17/03/2020 13:30:10+0100, Geert Uytterhoeven wrote:
> > static SIMPLE_DEV_PM_OPS(mt2712_pm_ops, mt2712_rtc_suspend,
> > mt2712_rtc_resume);
>
> That's 23 more unused pointers in your kernel image.
>
This is true but, of the about 900 drivers setting pm callbacks, there
are only 39 doing that conditionally depending on CONFIG_PM or
CONFIG_PM_SLEEP. Interestingly, 9 of them are mediatek related.
--
Alexandre Belloni, Bootlin
Embedded Linux and Kernel engineering
https://bootlin.com
WARNING: multiple messages have this Message-ID (diff)
From: Alexandre Belloni <alexandre.belloni@bootlin.com>
To: Geert Uytterhoeven <geert@linux-m68k.org>
Cc: linux-rtc@vger.kernel.org,
Alessandro Zummo <a.zummo@towertech.it>,
Sean Wang <sean.wang@mediatek.com>,
Linux Kernel Mailing List <linux-kernel@vger.kernel.org>,
linux-mediatek@lists.infradead.org,
Eddie Huang <eddie.huang@mediatek.com>,
Linux ARM <linux-arm-kernel@lists.infradead.org>
Subject: Re: [PATCH 1/2] rtc: mt2712: fix build without PM_SLEEP
Date: Tue, 17 Mar 2020 14:14:45 +0100 [thread overview]
Message-ID: <20200317131445.GC3448@piout.net> (raw)
In-Reply-To: <CAMuHMdVy6J1G5P6BQ14D65=pRu-q=+kcN3RV8mjtaZcwBooZyw@mail.gmail.com>
On 17/03/2020 13:30:10+0100, Geert Uytterhoeven wrote:
> > static SIMPLE_DEV_PM_OPS(mt2712_pm_ops, mt2712_rtc_suspend,
> > mt2712_rtc_resume);
>
> That's 23 more unused pointers in your kernel image.
>
This is true but, of the about 900 drivers setting pm callbacks, there
are only 39 doing that conditionally depending on CONFIG_PM or
CONFIG_PM_SLEEP. Interestingly, 9 of them are mediatek related.
--
Alexandre Belloni, Bootlin
Embedded Linux and Kernel engineering
https://bootlin.com
_______________________________________________
linux-arm-kernel mailing list
linux-arm-kernel@lists.infradead.org
http://lists.infradead.org/mailman/listinfo/linux-arm-kernel
next prev parent reply other threads:[~2020-03-17 13:15 UTC|newest]
Thread overview: 15+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-03-16 10:47 [PATCH 1/2] rtc: mt2712: fix build without PM_SLEEP Alexandre Belloni
2020-03-16 10:47 ` Alexandre Belloni
2020-03-16 10:47 ` Alexandre Belloni
2020-03-16 10:47 ` [PATCH 2/2] rtc: mt2712: remove unused variable Alexandre Belloni
2020-03-16 10:47 ` Alexandre Belloni
2020-03-16 10:47 ` Alexandre Belloni
2020-03-16 11:24 ` [PATCH 1/2] rtc: mt2712: fix build without PM_SLEEP Russell King - ARM Linux admin
2020-03-16 11:24 ` Russell King - ARM Linux admin
2020-03-16 11:24 ` Russell King - ARM Linux admin
2020-03-17 12:30 ` Geert Uytterhoeven
2020-03-17 12:30 ` Geert Uytterhoeven
2020-03-17 12:30 ` Geert Uytterhoeven
2020-03-17 13:14 ` Alexandre Belloni [this message]
2020-03-17 13:14 ` Alexandre Belloni
2020-03-17 13:14 ` Alexandre Belloni
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