netdev - Re: [PATCH net-next 0/9] devlink: Add support for region access

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Message-Id: <20180330.140722.1915472350310140337.davem@davemloft.net>
Date:   Fri, 30 Mar 2018 14:07:22 -0400 (EDT)
From:   David Miller <davem@...emloft.net>
To:     valex@...lanox.com
Cc:     andrew@...n.ch, netdev@...r.kernel.org, tariqt@...lanox.com,
        jiri@...lanox.com
Subject: Re: [PATCH net-next 0/9] devlink: Add support for region access

From: Alex Vesker <valex@...lanox.com>
Date: Fri, 30 Mar 2018 08:28:39 +0300

> On 3/29/2018 10:51 PM, Andrew Lunn wrote:
>> Also, i doubt write support will be accepted. That sounds like the
>> start of an API to allow a user space driver.
> 
> If this will be an issue we will stay with read access only.

Because of registers which are accessed indirectly, it's hard to avoid
supporting write support in some way.

This interface is not for providing a way to do userland drivers, it's
for diagnostics only.  And indeed we did discuss this at netconf and
we had broad concensus on this matter at the time.