From mboxrd@z Thu Jan 1 00:00:00 1970 From: jgunthorpe@obsidianresearch.com (Jason Gunthorpe) Date: Tue, 21 Jan 2014 16:33:21 -0700 Subject: [PATCH v2 05/15] watchdog: orion: Make RSTOUT register a separate resource In-Reply-To: <1390295561-3466-6-git-send-email-ezequiel.garcia@free-electrons.com> References: <1390295561-3466-1-git-send-email-ezequiel.garcia@free-electrons.com> <1390295561-3466-6-git-send-email-ezequiel.garcia@free-electrons.com> Message-ID: <20140121233321.GR18269@obsidianresearch.com> To: linux-arm-kernel@lists.infradead.org List-Id: linux-arm-kernel.lists.infradead.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