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Date: Mon, 18 Sep 2017 09:14:38 -0700 From: Vineet Gupta <Vineet.Gupta1@...opsys.com> To: Philipp Zabel <p.zabel@...gutronix.de>, Eugeniy Paltsev <Eugeniy.Paltsev@...opsys.com> CC: <linux-snps-arc@...ts.infradead.org>, <linux-kernel@...r.kernel.org>, <devicetree@...r.kernel.org>, Rob Herring <robh+dt@...nel.org>, Mark Rutland <mark.rutland@....com> Subject: Re: [PATCH v2] ARC: reset: introduce AXS10x reset driver Hi Philipp, On 09/18/2017 05:07 AM, Philipp Zabel wrote: > On Thu, 2017-09-14 at 17:28 +0300, Eugeniy Paltsev wrote: >> ARC AXS10x boards support custom IP-block which allows to control >> reset signals of selected peripherals. For example DW GMAC, etc... >> This block is controlled via memory-mapped register (AKA CREG) which >> represents up-to 32 reset lines. This regiter is self-clearing so we >> don't need to deassert line after reset. >> >> As of today only the following lines are used: >> - DW GMAC - line 5 >> >>> Signed-off-by: Eugeniy Paltsev <Eugeniy.Paltsev@...opsys.com> >> --- >> Changes v1 -> v2: >> * The creg reset register is self-clearing so we don't need to clear it >> manually. Fixed it. >> * Use reset callback instead of assert/deassert pair. >> * Rename reset node in documentation to "reset-controller" for consistency >> with the other bindings. >> * Use devm_reset_controller_register instead of reset_controller_register >> >> NOTE: >> This driver couldn't be replaced by reset-simple driver as we mustn't >> read from reset register or clear it. > > Thanks, I've applied this patch to the reset/next branch. Will it be OK for you to apply the corresponding DT update for platform - that way I don't have to keep track of when ur branch hits mainline etc. The chances of any ensuing conflicts are pretty rare - and easy to resolve if at all. If so, Eugeniy can send the patch ur way ! Thx, -Vineet
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