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Date:      Thu, 3 Jan 2008 09:36:10 +0800
From:      "Sepherosa Ziehau" <sepherosa@gmail.com>
To:        "=?ISO-8859-1?Q?Dag-Erling_Sm=F8rgrav?=" <des@des.no>
Cc:        kevlo@freebsd.org, sam@freebsd.org, current@freebsd.org, net@freebsd.org
Subject:   Re: if_ral regression
Message-ID:  <ea7b9c170801021736r542cf5ffhdf2769168d82f23@mail.gmail.com>
In-Reply-To: <86prwkqk22.fsf@ds4.des.no>
References:  <86ir2hznnd.fsf@ds4.des.no> <ea7b9c170712312227m7a961c95kc2bed20f94d09593@mail.gmail.com> <86abnpu0wv.fsf@ds4.des.no> <ea7b9c170801020518m6d5f8fdejd01947166669e9e4@mail.gmail.com> <86prwkqk22.fsf@ds4.des.no>

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On Jan 3, 2008 12:16 AM, Dag-Erling Sm=F8rgrav <des@des.no> wrote:
> "Sepherosa Ziehau" <sepherosa@gmail.com> writes:
> > http://people.freebsd.org/~sephe/rt2560_test.diff
>
> Thank you, I'll try that.
>
> Could you explain what the RT2560_BBP_BUSY loop is about?

bbp read involves one write to RT2560_BBPCSR, while this register
should not be touched until its RT2560_BBP_BUSY bit is off (as
according to Ralink's linux driver)

Best Regards,
sephe

--=20
Live Free or Die



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