From mboxrd@z Thu Jan 1 00:00:00 1970 From: Jason Cooper Subject: Re: [PATCH v2 0/7] Watchdog support for Armada 375/38x SoC Date: Tue, 4 Mar 2014 12:53:41 -0500 Message-ID: <20140304175341.GO1872@titan.lakedaemon.net> References: <1393949244-5011-1-git-send-email-ezequiel.garcia@free-electrons.com> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Return-path: Content-Disposition: inline In-Reply-To: <1393949244-5011-1-git-send-email-ezequiel.garcia-wi1+55ScJUtKEb57/3fJTNBPR1lH4CV8@public.gmane.org> Sender: devicetree-owner-u79uwXL29TY76Z2rM5mHXA@public.gmane.org To: Ezequiel Garcia Cc: linux-watchdog-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, devicetree-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, Wim Van Sebroeck , Jason Gunthorpe , Andrew Lunn , Sebastian Hesselbarth , Gregory Clement , Thomas Petazzoni , Lior Amsalem , Tawfik Bayouk List-Id: devicetree@vger.kernel.org Ezequiel, On Tue, Mar 04, 2014 at 01:07:17PM -0300, Ezequiel Garcia wrote: > Here's a new patchset adding support for watchdog on Armada 375 and > Armada 38x SoCs. Regarding the previous patchset, this time we're handling > the SoCs differences in the watchdog driver itself. > > The new Armada 375/385 SoCs have two registers for the watchdog RSTOUT: > > 1. It has a dedicated register (similar to the one in A370/XP) > 2. Also has a bit in a shared RSTOUT register. > > Therefore, in order to support this two-folded RSTOUT, we extend the 'reg' > property in the watchdog devicetree and require a new pair of cells to specify > the shared RSTOUT. > > On the driver side, we need to implement per-SoC stop() and enabled() > functions. Such somewhat complex infrastructure is needed to ensure the driver > performs proper reset of the watchdog timer, by masking and disabling the > RSTOUT before the interrupt is enabled. > > Changes from v1: > > * Reworked entirely! > > Ezequiel Garcia (7): > watchdog: orion: Introduce a SoC-specific RSTOUT mapping > watchdog: orion: Introduce per-SoC stop() function > watchdog: orion: Introduce per-SoC enabled() function > watchdog: orion: Add Armada 375/380 SoC support > ARM: mvebu: Enable Armada 375 watchdog in the devicetree > ARM: mvebu: Enable Armada 380/385 watchdog in the devicetree > ARM: mvebu: Add A375/A380 watchdog binding documentation > > .../devicetree/bindings/watchdog/marvel.txt | 7 + > arch/arm/boot/dts/armada-375.dtsi | 6 + > arch/arm/boot/dts/armada-38x.dtsi | 7 + > drivers/watchdog/orion_wdt.c | 167 +++++++++++++++++++-- > 4 files changed, 177 insertions(+), 10 deletions(-) >>From a cursory look, this is a big improvement. Just one small note: I almost didn't see this, since I wasn't in the Cc. No need to resend, I bounced it around to the right folders so I can track it. thx, Jason. -- To unsubscribe from this list: send the line "unsubscribe devicetree" in the body of a message to majordomo-u79uwXL29TY76Z2rM5mHXA@public.gmane.org More majordomo info at http://vger.kernel.org/majordomo-info.html