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Date:      Wed, 11 Mar 2015 09:39:15 +0000
From:      "zbb (Zbigniew Bodek)" <phabric-noreply@FreeBSD.org>
To:        freebsd-arm@freebsd.org
Subject:   [Differential] [Commented On] D2018: Introduce Annapurna Labs AHCI support
Message-ID:  <aadbf5f481b35ed3ad3c3536eee938a4@localhost.localdomain>
In-Reply-To: <differential-rev-PHID-DREV-lp4daqpuzz2y5vyrxipd-req@FreeBSD.org>
References:  <differential-rev-PHID-DREV-lp4daqpuzz2y5vyrxipd-req@FreeBSD.org>

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zbb added inline comments.

INLINE COMMENTS
  sys/dev/ahci/ahci.c:150-153 **Jakub Palider wrote:**
  >I have overlooked it in the specs and took the CAP register RW for
  >granted. You are right, writing to RO registers doesn't sound fine, and
  >we don't like it either. But we have little choice but to perform the
  >writes to make it operational.
  >You say adding it to quirks is not proper place? Where then?
  sys/dev/ahci/ahci.c:199-201 **Jakub Palider wrote:**
  >I'd prefer read MAY/SHOULD/MUST but the spec simply says that it is
  >loaded by the BIOS. However in reality that does not always happen and
  >higher level stuff suffers from broken implementations. Linux does it
  >and although it is not our reference it shows a way to just make things
  >work. Again - is adding platform quirks wrong way?

REVISION DETAIL
  https://reviews.freebsd.org/D2018

To: zbb, mav, imp, smh
Cc: freebsd-arm



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