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 for <linuxppc-dev@lists.ozlabs.org>; Thu, 22 Mar 2018 00:58:21 +1100 (AEDT)
Subject: Re: RFC on writel and writel_relaxed
To: Oliver <oohall@gmail.com>
Cc: "open list:LINUX FOR POWERPC (32-BIT AND 64-BIT)"
 <linuxppc-dev@lists.ozlabs.org>,
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 Benjamin Herrenschmidt <benh@kernel.crashing.org>
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 <4e5c745a-8b9b-959e-8893-d99cd6032484@codeaurora.org>
From: Sinan Kaya <okaya@codeaurora.org>
Message-ID: <2d2a744a-57b2-ca42-db40-4705df0375db@codeaurora.org>
Date: Wed, 21 Mar 2018 08:58:17 -0500
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On 3/21/2018 8:53 AM, Sinan Kaya wrote:
> BTW, I have no idea what compiler barrier does on PPC and if
> 
> wrltel() == compiler barrier() + wrltel_relaxed()
> 
> can be said.

this should have been

writel_relaxed() == compiler barrier() + __raw_writel()



-- 
Sinan Kaya
Qualcomm Datacenter Technologies, Inc. as an affiliate of Qualcomm Technologies, Inc.
Qualcomm Technologies, Inc. is a member of the Code Aurora Forum, a Linux Foundation Collaborative Project.