[Top] [All Lists]

Re: [PATCH v2] MIPS: GIC: Select R4K counter as fallback.

To: John Crispin <>
Subject: Re: [PATCH v2] MIPS: GIC: Select R4K counter as fallback.
From: Lars-Peter Clausen <>
Date: Thu, 12 Sep 2013 09:38:46 +0200
Cc: "Steven J. Hill" <>,, Leonid Yegoshin <>,
In-reply-to: <>
List-archive: <>
List-help: <>
List-id: linux-mips <>
List-owner: <>
List-post: <>
List-software: Ecartis version 1.0.0
List-subscribe: <>
List-unsubscribe: <>
Original-recipient: rfc822;
References: <> <> <>
User-agent: Mozilla/5.0 (X11; Linux x86_64; rv:17.0) Gecko/20130827 Icedove/17.0.8
On 09/12/2013 09:33 AM, John Crispin wrote:
> On 12/09/13 09:28, Lars-Peter Clausen wrote:
>> On 09/11/2013 09:51 PM, Steven J. Hill wrote:
>>> From: Leonid Yegoshin<>
>>> If CONFIG_CSRC_GIC is selected and the GIC is not found during
>>> boot, then fallback to the R4K counter gracefully.
>> Is there any reason not to always register the r4k clocksource, no matter
>> whether the gic clocksource is present or not? The timekeeping core of the
>> kernel will make sure to use the best available clocksource based on the
>> clocksource's rating.
>> - Lars
> Hi,
> in theory yes, but the r4k csrc is coded in a way that it always assumes to
> always be present and always be running.

And it is not present when the GIC clocksource is present?

<Prev in Thread] Current Thread [Next in Thread>