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From: Jason Gunthorpe <jgunthorpe-ePGOBjL8dl3ta4EC/59zMFaTQe2KTcn/@public.gmane.org>
To: Ezequiel Garcia
	<ezequiel.garcia-wi1+55ScJUtKEb57/3fJTNBPR1lH4CV8@public.gmane.org>
Cc: linux-arm-kernel-IAPFreCvJWM7uuMidbF8XUB+6BGkLq7r@public.gmane.org,
	linux-watchdog-u79uwXL29TY76Z2rM5mHXA@public.gmane.org,
	devicetree-u79uwXL29TY76Z2rM5mHXA@public.gmane.org,
	Lior Amsalem <alior-eYqpPyKDWXRBDgjK7y7TUQ@public.gmane.org>,
	Thomas Petazzoni
	<thomas.petazzoni-wi1+55ScJUtKEb57/3fJTNBPR1lH4CV8@public.gmane.org>,
	Jason Cooper <jason-NLaQJdtUoK4Be96aLqz0jA@public.gmane.org>,
	Tawfik Bayouk <tawfik-eYqpPyKDWXRBDgjK7y7TUQ@public.gmane.org>,
	Andrew Lunn <andrew-g2DYL2Zd6BY@public.gmane.org>,
	Wim Van Sebroeck <wim-IQzOog9fTRqzQB+pC5nmwQ@public.gmane.org>,
	Gregory Clement
	<gregory.clement-wi1+55ScJUtKEb57/3fJTNBPR1lH4CV8@public.gmane.org>,
	Sebastian Hesselbarth
	<sebastian.hesselbarth-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>
Subject: Re: [PATCH v2 05/15] watchdog: orion: Make RSTOUT register a separate resource
Date: Tue, 21 Jan 2014 16:33:21 -0700	[thread overview]
Message-ID: <20140121233321.GR18269@obsidianresearch.com> (raw)
In-Reply-To: <1390295561-3466-6-git-send-email-ezequiel.garcia-wi1+55ScJUtKEb57/3fJTNBPR1lH4CV8@public.gmane.org>

On Tue, Jan 21, 2014 at 06:12:31AM -0300, Ezequiel Garcia wrote:
> In order to support other SoC, it's required to distinguish
> the 'control' timer register, from the 'rstout' register
> that enables system reset on watchdog expiration.

> +	res = platform_get_resource(pdev, IORESOURCE_MEM, 1);
> +	if (!res)
> +		return -ENODEV;
           ^^^^^^^^^^^^^^^^^^^^^^

This change seems to break compatibility with existing DT files that
have only a single entry in reg?

Can the value be defaulted some how if missing?

Regards,
Jason
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  parent reply	other threads:[~2014-01-21 23:33 UTC|newest]

Thread overview: 64+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2014-01-21  9:12 [PATCH v2 00/15] Armada 370/XP watchdog support Ezequiel Garcia
     [not found] ` <1390295561-3466-1-git-send-email-ezequiel.garcia-wi1+55ScJUtKEb57/3fJTNBPR1lH4CV8@public.gmane.org>
2014-01-21  9:12   ` [PATCH v2 01/15] ARM: Introduce atomic MMIO modify Ezequiel Garcia
2014-01-21  9:45     ` Arnd Bergmann
2014-01-21 10:46       ` Ezequiel Garcia
2014-01-21  9:12   ` [PATCH v2 02/15] clocksource: orion: Use atomic access for shared registers Ezequiel Garcia
     [not found]     ` <1390295561-3466-3-git-send-email-ezequiel.garcia-wi1+55ScJUtKEb57/3fJTNBPR1lH4CV8@public.gmane.org>
2014-01-21  9:46       ` Arnd Bergmann
2014-01-21  9:58         ` Sebastian Hesselbarth
     [not found]           ` <52DE44B9.70308-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>
2014-01-21 10:54             ` Arnd Bergmann
2014-01-21 11:02               ` Andrew Lunn
2014-01-21  9:57       ` Daniel Lezcano
     [not found]         ` <52DE4491.2000505-QSEj5FYQhm4dnm+yROfE0A@public.gmane.org>
2014-01-21 10:53           ` Ezequiel Garcia
2014-01-21  9:12   ` [PATCH v2 03/15] watchdog: " Ezequiel Garcia
     [not found]     ` <1390295561-3466-4-git-send-email-ezequiel.garcia-wi1+55ScJUtKEb57/3fJTNBPR1lH4CV8@public.gmane.org>
2014-01-21  9:19       ` Fabio Estevam
     [not found]         ` <CAOMZO5BKjpkjQGOOAQ5fwmxhg1SYTmTq4Y9tUCZaDSQiosGYyw-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2014-01-21  9:42           ` Ezequiel Garcia
2014-01-21  9:54       ` Arnd Bergmann
2014-01-21 10:13         ` Andrew Lunn
2014-01-21  9:12   ` [PATCH v2 04/15] watchdog: orion: Handle IRQ Ezequiel Garcia
2014-01-21  9:12   ` [PATCH v2 05/15] watchdog: orion: Make RSTOUT register a separate resource Ezequiel Garcia
     [not found]     ` <1390295561-3466-6-git-send-email-ezequiel.garcia-wi1+55ScJUtKEb57/3fJTNBPR1lH4CV8@public.gmane.org>
2014-01-21 23:33       ` Jason Gunthorpe [this message]
2014-01-22  9:48         ` Arnd Bergmann
2014-01-22 16:21           ` Ezequiel Garcia
2014-01-22 18:01             ` Ezequiel Garcia
2014-01-22 18:14               ` Jason Gunthorpe
2014-01-22 18:21                 ` Arnd Bergmann
     [not found]                 ` <20140122181409.GV18269-ePGOBjL8dl3ta4EC/59zMFaTQe2KTcn/@public.gmane.org>
2014-01-22 18:29                   ` Ezequiel Garcia
2014-01-21  9:12   ` [PATCH v2 06/15] watchdog: orion: Remove unneeded BRIDGE_CAUSE clear Ezequiel Garcia
     [not found]     ` <1390295561-3466-7-git-send-email-ezequiel.garcia-wi1+55ScJUtKEb57/3fJTNBPR1lH4CV8@public.gmane.org>
2014-01-21 23:35       ` Jason Gunthorpe
     [not found]         ` <20140121233537.GS18269-ePGOBjL8dl3ta4EC/59zMFaTQe2KTcn/@public.gmane.org>
2014-01-22 16:49           ` Ezequiel Garcia
2014-01-22 17:34             ` Jason Gunthorpe
     [not found]               ` <20140122173417.GT18269-ePGOBjL8dl3ta4EC/59zMFaTQe2KTcn/@public.gmane.org>
2014-01-22 17:45                 ` Ezequiel Garcia
2014-01-22 17:50                   ` Jason Gunthorpe
     [not found]                     ` <20140122175030.GU18269-ePGOBjL8dl3ta4EC/59zMFaTQe2KTcn/@public.gmane.org>
2014-01-22 18:03                       ` Ezequiel Garcia
2014-01-22 20:31                 ` Sebastian Hesselbarth
     [not found]                   ` <52E02AB6.7040104-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>
2014-01-22 20:52                     ` Jason Gunthorpe
     [not found]                       ` <20140122205213.GW18269-ePGOBjL8dl3ta4EC/59zMFaTQe2KTcn/@public.gmane.org>
2014-01-22 22:12                         ` Ezequiel Garcia
2014-01-22 22:31                           ` Jason Gunthorpe
     [not found]                             ` <20140122223117.GX18269-ePGOBjL8dl3ta4EC/59zMFaTQe2KTcn/@public.gmane.org>
2014-01-22 22:56                               ` Ezequiel Garcia
2014-01-23  0:03                               ` Sebastian Hesselbarth
     [not found]                                 ` <52E05C4E.9060709-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>
2014-01-23  0:19                                   ` Jason Gunthorpe
     [not found]                                     ` <20140123001934.GY18269-ePGOBjL8dl3ta4EC/59zMFaTQe2KTcn/@public.gmane.org>
2014-01-23  0:35                                       ` Sebastian Hesselbarth
2014-01-23 12:04                                       ` Ezequiel Garcia
2014-01-22 23:49                         ` Sebastian Hesselbarth
     [not found]                           ` <52E0591E.6030009-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>
2014-01-23 11:10                             ` Ezequiel Garcia
2014-01-23 11:54                               ` Ezequiel Garcia
2014-01-23 21:15                                 ` Sebastian Hesselbarth
2014-01-21  9:12   ` [PATCH v2 07/15] watchdog: orion: Introduce an orion_watchdog device structure Ezequiel Garcia
2014-01-21  9:12   ` [PATCH v2 08/15] watchdog: orion: Introduce per-compatible of_device_id data Ezequiel Garcia
2014-01-21  9:12   ` [PATCH v2 09/15] watchdog: orion: Add per-compatible clock initialization Ezequiel Garcia
     [not found]     ` <1390295561-3466-10-git-send-email-ezequiel.garcia-wi1+55ScJUtKEb57/3fJTNBPR1lH4CV8@public.gmane.org>
2014-01-21  9:18       ` Fabio Estevam
     [not found]         ` <CAOMZO5BDS8Dh1PR6SJv1CK5Pkq5mub-Hs7c4RhxUn7o5efnbKg-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2014-01-21  9:43           ` Ezequiel Garcia
2014-01-21  9:12   ` [PATCH v2 10/15] watchdog: orion: Add per-compatible watchdog start implementation Ezequiel Garcia
2014-01-21  9:12   ` [PATCH v2 11/15] watchdog: orion: Add support for Armada 370 and Armada XP SoC Ezequiel Garcia
2014-01-21  9:12   ` [PATCH v2 12/15] ARM: mvebu: Enable Armada 370/XP watchdog in the devicetree Ezequiel Garcia
2014-01-21  9:12   ` [PATCH v2 13/15] ARM: kirkwood: Add RSTOUT 'reg' entry to devicetree Ezequiel Garcia
2014-01-21  9:12   ` [PATCH v2 14/15] watchdog: orion: Allow to build on any Orion platform Ezequiel Garcia
     [not found]     ` <1390295561-3466-15-git-send-email-ezequiel.garcia-wi1+55ScJUtKEb57/3fJTNBPR1lH4CV8@public.gmane.org>
2014-01-21  9:41       ` Sebastian Hesselbarth
     [not found]         ` <52DE40BD.10700-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>
2014-01-21  9:45           ` Andrew Lunn
     [not found]             ` <20140121094501.GA13396-g2DYL2Zd6BY@public.gmane.org>
2014-01-21 10:04               ` Ezequiel Garcia
2014-01-21 11:06           ` Removing PLAT_ORION dependency from ARCH_MVEBU (Was Re: [PATCH v2 14/15] watchdog: orion: Allow to build on any Orion platform) Ezequiel Garcia
2014-01-21 11:44             ` Sebastian Hesselbarth
2014-01-21  9:12   ` [PATCH v2 15/15] ARM: mvebu: Enable watchdog support in defconfig Ezequiel Garcia
     [not found]     ` <1390295561-3466-16-git-send-email-ezequiel.garcia-wi1+55ScJUtKEb57/3fJTNBPR1lH4CV8@public.gmane.org>
2014-01-21 12:47       ` Jason Cooper
     [not found]         ` <20140121124746.GZ29184-u4khhh1J0LxI1Ri9qeTfzeTW4wlIGRCZ@public.gmane.org>
2014-01-21 12:53           ` Andrew Lunn
     [not found]             ` <20140121125339.GH13396-g2DYL2Zd6BY@public.gmane.org>
2014-01-21 12:57               ` Jason Cooper

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