From mboxrd@z Thu Jan 1 00:00:00 1970 From: Alessandro Zummo Subject: Re: [RFE PATCH 2/2] rtc, add write functionality to sysfs Date: Mon, 25 Feb 2013 15:58:12 +0100 Message-ID: <20130225155812.0758e093@linux.lan.towertech.it> References: <1360861375-24131-1-git-send-email-prarit@redhat.com> <1360861375-24131-3-git-send-email-prarit@redhat.com> <5127D884.6020701@linaro.org> <5127DB2B.3030700@redhat.com> <5127DDAF.2000403@linaro.org> <512A47C5.3010500@redhat.com> Mime-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit Return-path: In-Reply-To: <512A47C5.3010500-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org> Sender: linux-efi-owner-u79uwXL29TY76Z2rM5mHXA@public.gmane.org To: Prarit Bhargava Cc: John Stultz , "linux-kernel-u79uwXL29TY76Z2rM5mHXA@public.gmane.org" , Thomas Gleixner , "x86-DgEjT+Ai2ygdnm+yROfE0A@public.gmane.org" , Matt Fleming , David Vrabel , Andrew Morton , Andi Kleen , "linux-efi-u79uwXL29TY76Z2rM5mHXA@public.gmane.org" , "rtc-linux-/JYPxA39Uh5TLH3MbocFFw@public.gmane.org" List-Id: linux-efi@vger.kernel.org On Sun, 24 Feb 2013 12:03:01 -0500 Prarit Bhargava wrote: > > AFAICT there is no way for me to "test" or use the write from userspace. > hwclock uses the SET_TIME ioctl, which is a different code path AFAICT. > > I'd like to be at least able to test this stuff when we make changes to it so I > think having write functionality for date & time is worthwhile. > > For me, I'm using these to heavily test ntp and ntpdate over system reboots. the point is: who will benefit from this patch? users? distributions? embedded distributions? if it's useful, then just go for it. > OOC, Alessandro, why is the date & time split into two fields? because date and time are two different things and we expect sysfs to preferably have one value for each entry. -- Best regards, Alessandro Zummo, Tower Technologies - Torino, Italy http://www.towertech.it