From mboxrd@z Thu Jan 1 00:00:00 1970 From: k.kozlowski@samsung.com (Krzysztof Kozlowski) Date: Tue, 10 Feb 2015 13:30:38 +0100 Subject: [PATCH 1/1] ARM: dts: Use more descriptive names for Exynos5420 PDs In-Reply-To: <54D9F7B1.3030106@cogentembedded.com> References: <1423244258-24314-1-git-send-email-javier.martinez@collabora.co.uk> <54D51170.10903@cogentembedded.com> <54D52905.6040100@collabora.co.uk> <54D9F1A4.1000908@cogentembedded.com> <1423570670.6241.2.camel@AMDC1943> <54D9F7B1.3030106@cogentembedded.com> Message-ID: <1423571438.6241.4.camel@AMDC1943> To: linux-arm-kernel@lists.infradead.org List-Id: linux-arm-kernel.lists.infradead.org On wto, 2015-02-10 at 15:21 +0300, Sergei Shtylyov wrote: > On 2/10/2015 3:17 PM, Krzysztof Kozlowski wrote: > > >>> Additionally (on Arndale Octa): > > >>> $ cat /sys/kernel/debug/pm_genpd/pm_genpd_summary > >>> domain status slaves > >>> /device runtime status > >>> ---------------------------------------------------------------------- > >>> power-domain on > >>> /devices/platform/amba/3880000.adma suspended > >>> power-domain off > >>> power-domain off > >>> power-domain off > >>> power-domain off > >>> power-domain off > > >>> This really is not helpful. From the power domain debugfs code it is > >>> complicated to extract of_node of power domain. > > >> You shouldn't need it. > > >>> It is easier to print > >>> the name of power domain. But wait... all names are the same! :) So > >>> why do we have the name in the first place? > > >> I'm not sure why the full platform device names aren't printed -- they > >> should all be different. > > > This debugfs code iterates over list of generic_pm_domains (gpd_list). I > > cannot find function for translating from genpd to its platform device > > so only genpd->name can be printed. > > Then why power domains aren't just named with the platform device names? Right, the mach-exynos/pm_domains.c set the name equal to OF node name. I'll send a patch extending the name. Best regards, Krzysztof