From mboxrd@z Thu Jan 1 00:00:00 1970 From: Guenter Roeck Subject: Re: [PATCH V8 1/6] power: reset: Add generic SYSCON register mapped reset Date: Wed, 9 Jul 2014 14:27:23 -0700 Message-ID: <20140709212723.GA6737@roeck-us.net> References: <1404872153-3594-1-git-send-email-fkan@apm.com> <1404872153-3594-2-git-send-email-fkan@apm.com> <53BCBCEC.7010306@roeck-us.net> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Return-path: Content-Disposition: inline In-Reply-To: Sender: linux-kernel-owner@vger.kernel.org To: Feng Kan Cc: Dmitry Eremin-Solenikov , Catalin Marinas , David Woodhouse , Arnd Bergmann , "devicetree@vger.kernel.org" , "linux-arm-kernel@lists.infradead.org" , "linux-kernel@vger.kernel.org" , patches List-Id: devicetree@vger.kernel.org On Wed, Jul 09, 2014 at 02:15:44PM -0700, Feng Kan wrote: > On Tue, Jul 8, 2014 at 8:54 PM, Guenter Roeck wrote: > > On 07/08/2014 07:15 PM, Feng Kan wrote: > >> > >> Add a generic SYSCON register mapped reset mechanism. > >> > >> Signed-off-by: Feng Kan > >> --- > >> drivers/power/reset/Kconfig | 6 +++ > >> drivers/power/reset/Makefile | 1 + > >> drivers/power/reset/syscon-reboot.c | 91 > >> +++++++++++++++++++++++++++++++++++++ > >> 3 files changed, 98 insertions(+) > >> create mode 100644 drivers/power/reset/syscon-reboot.c > >> > >> diff --git a/drivers/power/reset/Kconfig b/drivers/power/reset/Kconfig > >> index bdcf517..5877b38 100644 > >> --- a/drivers/power/reset/Kconfig > >> +++ b/drivers/power/reset/Kconfig > >> @@ -80,3 +80,9 @@ config POWER_RESET_KEYSTONE > >> help > >> Reboot support for the KEYSTONE SoCs. > >> > >> +config POWER_RESET_SYSCON > >> + bool "Generic SYSCON regmap reset driver" > >> + depends on ARM || ARM64 || COMPILE_TEST > > > > > > As written, this driver is really not generic but very arm specific. > > I don't think COMPILE_TEST is a good idea either, since arm_pm_restart > > is only defined for the arm architecture. Did you try compiling allmodconfig > > or allyesconfig for, say, x86_64 with this patch applied ? > > > > I think this might benefit from using [1], which would make it really > > generic. > > > > Guenter > > > > [1] http://www.spinics.net/lists/kernel/msg1780939.html > This is great, I will base off this list. Did it make it to a branch anywhere? > Still in review. I hope it will make it into 3.17. Of course it might be useful if you (and others) help making the case for it. Thanks, Guenter