From: Mugunthan V N <mugunthanvnm@ti.com>
To: u-boot@lists.denx.de
Subject: [U-Boot] [PATCH] net: phy: on phy device create do not initialize link to 1
Date: Tue, 15 Sep 2015 13:27:45 +0530 [thread overview]
Message-ID: <55F7CF79.3070900@ti.com> (raw)
In-Reply-To: <CANr=Z=Zei+ixDSYgOPXzhGtDDfFLTzWton+6APE9EK9z_SU5xg@mail.gmail.com>
On Friday 04 September 2015 09:01 PM, Joe Hershberger wrote:
> On Thu, Sep 3, 2015 at 5:20 AM, Mugunthan V N <mugunthanvnm@ti.com> wrote:
>> Currently when phy device is created the link variable is
>> initialized to 1 which denoted phy link is already up. On a power
>> reset there is no issue as phy status register link status will
>> not be set, so phy auto negotiate will be started. But when a cpu
>> reset is issued (ex: dra72x-evm) phy's link status bit is already
>> set which leads to assume that link is already setup in
>> genphy_update_link() initial check which results in ehternet not
>> working. So do not assume that link is already up and on phy
>> device create set link to zero. This is verified on dra72x-evm.
>>
>> Reported-by: Franklin S Cooper Jr <fcooper@ti.com>
>> Signed-off-by: Mugunthan V N <mugunthanvnm@ti.com>
>
> Acked-by: Joe Hershberger <joe.hershberger@ni.com>
>
Joe,
A gentle ping on this patch.
Regards
Mugunthan V N
next prev parent reply other threads:[~2015-09-15 7:57 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2015-09-03 10:20 [U-Boot] [PATCH] net: phy: on phy device create do not initialize link to 1 Mugunthan V N
2015-09-04 15:31 ` Joe Hershberger
2015-09-15 7:57 ` Mugunthan V N [this message]
[not found] ` <CANr=Z=bGA2zRKkjjhn4cD2XhyLUJ6+TPOanzv-Z_Aw_4r9ba2w@mail.gmail.com>
2015-09-30 17:27 ` Joe Hershberger
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