From mboxrd@z Thu Jan 1 00:00:00 1970 From: sboyd@codeaurora.org (Stephen Boyd) Date: Thu, 18 Jun 2015 14:40:18 -0700 Subject: [PATCH 01/44] kernel: Add support for poweroff handler call chain In-Reply-To: <20150618153003.GA19224@roeck-us.net> References: <1412659726-29957-1-git-send-email-linux@roeck-us.net> <1412659726-29957-2-git-send-email-linux@roeck-us.net> <55821936.4040704@codeaurora.org> <20150618153003.GA19224@roeck-us.net> Message-ID: <55833AC2.5080700@codeaurora.org> To: linux-arm-kernel@lists.infradead.org List-Id: linux-arm-kernel.lists.infradead.org On 06/18/2015 08:30 AM, Guenter Roeck wrote: > On Wed, Jun 17, 2015 at 06:04:54PM -0700, Stephen Boyd wrote: > [ ... ] >> What happened to this series? I want to add shutdown support to my >> platform and I need to write a register on the PMIC in one driver to >> configure it for shutdown instead of restart and then write an MMIO >> register to tell the PMIC to actually do the shutdown in another driver. >> It seems that the notifier solves this case for me, albeit with the >> slight complication that I need to order the two with some priority. >> > Can you use the .shutdown driver callback instead ? > > I see other drivers use that, and check for system_state == SYSTEM_POWER_OFF > to power off the hardware. > Yes I think that will work. I'll still have to hook pm_power_off() for the mmio register, but I guess that's ok and I don't need to worry about this series then. -- Qualcomm Innovation Center, Inc. is a member of Code Aurora Forum, a Linux Foundation Collaborative Project