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Date: Wed, 7 Jun 2017 14:52:56 +0200 From: Daniel Lezcano <daniel.lezcano@...aro.org> To: Arnd Bergmann <arnd@...db.de> Cc: Joel Stanley <joel@....id.au>, Andrew Jeffery <andrew@...id.au>, Linux ARM <linux-arm-kernel@...ts.infradead.org>, Linux Kernel Mailing List <linux-kernel@...r.kernel.org>, Linus Walleij <linus.walleij@...aro.org> Subject: Re: [PATCH] arm: aspeed: Add clock-names property to timer node On Tue, Jun 06, 2017 at 11:41:11AM +0200, Arnd Bergmann wrote: > On Mon, Jun 5, 2017 at 10:59 AM, Joel Stanley <joel@....id.au> wrote: > > On Mon, Jun 5, 2017 at 5:18 PM, Andrew Jeffery <andrew@...id.au> wrote: > >> The merging of a number of clocksource drivers into fttmr010 means we > >> require clock-names to be specified in the Aspeed timer node, else the > >> clocksource fails to probe and boot hangs. > > > > Arnd, > > > > Linus' reworked timer driver will go into 4.13. > > > > Can we get this patch merged into 4.12 as a fix so we don't end up > > with a broken boot at any stage? > > Hmm, can't we make the driver backward-compatible and have it fall > back on the first clock if no clk named "PCLK" is found? Otherwise > you still have an incompatible change in the DT binding and it will > break if someone uses an older dtb with a newer kernel. I would like to avoid to hack the kernel code for backward DT compatible things. -- <http://www.linaro.org/> Linaro.org │ Open source software for ARM SoCs Follow Linaro: <http://www.facebook.com/pages/Linaro> Facebook | <http://twitter.com/#!/linaroorg> Twitter | <http://www.linaro.org/linaro-blog/> Blog
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