Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1165986AbdD1SEL (ORCPT ); Fri, 28 Apr 2017 14:04:11 -0400 Received: from mail-io0-f178.google.com ([209.85.223.178]:33350 "EHLO mail-io0-f178.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1163101AbdD1SEJ (ORCPT ); Fri, 28 Apr 2017 14:04:09 -0400 MIME-Version: 1.0 In-Reply-To: <20170428130659.GA28546@localhost.localdomain> References: <1493153351-12698-1-git-send-email-jon.mason@broadcom.com> <1493153351-12698-2-git-send-email-jon.mason@broadcom.com> <20170427163658.GC18276@localhost.localdomain> <20170428130659.GA28546@localhost.localdomain> From: Jon Mason Date: Fri, 28 Apr 2017 14:04:08 -0400 Message-ID: Subject: Re: [PATCH 1/2] thermal: broadcom: Allow for NSP to use ns-thermal driver To: Eduardo Valentin Cc: Florian Fainelli , Zhang Rui , Rob Herring , Mark Rutland , BCM Kernel Feedback , linux-arm-kernel , open list , linux-pm@vger.kernel.org, "open list:OPEN FIRMWARE AND FLATTENED DEVICE TREE BINDINGS" Content-Type: text/plain; charset=UTF-8 Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 4199 Lines: 114 On Fri, Apr 28, 2017 at 9:07 AM, Eduardo Valentin wrote: > On Thu, Apr 27, 2017 at 01:42:25PM -0400, Jon Mason wrote: >> On Thu, Apr 27, 2017 at 12:37 PM, Eduardo Valentin wrote: >> > Hey Jason, >> >> It's Jon :) > > Apologies. I think I either read too fast, or my fingers were faster > than my brain. Sorry. NP, That exact error happens more frequently that you would think :) >> >> > >> > On Tue, Apr 25, 2017 at 04:49:10PM -0400, Jon Mason wrote: >> >> Change the iProc Kconfig to select THERMAL and THERMAL_OF, which allows >> >> the ns-thermal driver to be selected via menuconfig. Also, change the >> >> ns-thermal driver to work on any iProc based SoC. Finally, tweak the >> >> Kconfig description to mention support for NSP and make the default on >> >> for iProc based platforms. >> > >> > >> > Thanks for the patch, but.. >> >> >> >> Signed-off-by: Jon Mason >> >> --- >> >> arch/arm/mach-bcm/Kconfig | 2 ++ >> >> drivers/thermal/broadcom/Kconfig | 9 +++++---- >> >> 2 files changed, 7 insertions(+), 4 deletions(-) >> >> >> >> diff --git a/arch/arm/mach-bcm/Kconfig b/arch/arm/mach-bcm/Kconfig >> >> index a0e66d8..da2bfeb 100644 >> >> --- a/arch/arm/mach-bcm/Kconfig >> >> +++ b/arch/arm/mach-bcm/Kconfig >> >> @@ -19,6 +19,8 @@ config ARCH_BCM_IPROC >> >> select GPIOLIB >> >> select ARM_AMBA >> >> select PINCTRL >> >> + select THERMAL >> >> + select THERMAL_OF >> >> help >> >> This enables support for systems based on Broadcom IPROC architected SoCs. >> >> The IPROC complex contains one or more ARM CPUs along with common >> > >> > It would be better if this is split and sent through your arch tree, to >> > avoid conflicts. I could also pick it if you get an ack from one of your >> > maintainers. Still, first option is preferable. >> >> Sure, I'll be happy to split this off. I should've thought to split >> it up before sending. Thanks for the suggestion. > > Cool! > >> >> > >> >> diff --git a/drivers/thermal/broadcom/Kconfig b/drivers/thermal/broadcom/Kconfig >> >> index f0dea8a..26d706c 100644 >> >> --- a/drivers/thermal/broadcom/Kconfig >> >> +++ b/drivers/thermal/broadcom/Kconfig >> >> @@ -1,8 +1,9 @@ >> >> config BCM_NS_THERMAL >> >> tristate "Northstar thermal driver" >> >> depends on ARCH_BCM_IPROC || COMPILE_TEST >> >> + default ARCH_BCM_IPROC >> > >> > Not sure if this is really what you wanted. Based on your commit log >> > message, you meant the following, perhaps? >> > >> > + default y if ARCH_BCM_IPROC >> >> IIUC, my original default works, as we have used it frequently in >> other places in the kernel. >> grep -rI "default ARCH_BCM_IPROC" * | wc -l >> 15 > > Yeah... Are you sure they are all correct? > >> >> However, if the above is preferred (or the other 15 massively broken), >> I'll be happy to do it that way. > > Your construction is syntactically correct. Maybe might still work (did > not check myself) for the purpose you describe, but the construction > mentioned in Documentation/kbuild/kconfig-language.txt is: > + default y if BAR > > So, please fix it. Oh, thanks for the info. I was unaware of this, and we should definitely follow the documentation.. I'll make the relevant changes and do follow-on patches to correct the other places. > >> >> >> >> help >> >> - Northstar is a family of SoCs that includes e.g. BCM4708, BCM47081, >> >> - BCM4709 and BCM47094. It contains DMU (Device Management Unit) block >> >> - with a thermal sensor that allows checking CPU temperature. This >> >> - driver provides support for it. >> >> + Support for the Northstar and Northstar Plus family of SoCs (e.g. >> >> + BCM4708, BCM4709, BCM5301x, BCM95852X, etc). It contains DMU (Device >> > >> > Did we look BCM47094 somehow on this patch? >> >> Naa, just trying to be more concise, while adding the NSP products to >> the list.. BCM47094 is a type of BCM4709. So, it is still there :) >> >> > >> >> + Management Unit) block with a thermal sensor that allows checking CPU >> >> + temperature. >> >> -- >> >> 2.7.4 >> >>