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From: Sekhar Nori <nsekhar@ti.com>
To: Nishanth Menon <nm@ti.com>
Cc: Tero Kristo <t-kristo@ti.com>,
	Linux ARM Mailing List <linux-arm-kernel@lists.infradead.org>,
	Kishon Vijay Abraham I <kishon@ti.com>
Subject: Re: [PATCH] arm64: dts: ti: k3-am65: restrict PCIe to Gen2 speed
Date: Fri, 28 Aug 2020 17:26:12 +0530	[thread overview]
Message-ID: <8c0cc440-4989-413d-e3c8-257d784ec78f@ti.com> (raw)
In-Reply-To: <20200828113214.2j7uph4pc3e6isqp@akan>

On 28/08/20 5:02 PM, Nishanth Menon wrote:
> On 08:34-20200828, Sekhar Nori wrote:
>> On 28/08/20 5:54 AM, Nishanth Menon wrote:
>>> On 10:13-20200827, Sekhar Nori wrote:
>>>> Hi Nishanth,
>>>>
>>>> On 02/08/20 10:23 PM, Sekhar Nori wrote:
>>>>> Per errata i2104 documented in AM65x device errata document (TI document
>>>>> number SPRZ452E, revised June 2019), Gen3 operation is not supported for
>>>>> both PCIe Root Complex and Endpoint modes of operation.
>>>>>
>>>>> See: https://www.ti.com/lit/er/sprz452e/sprz452e.pdf
>>>>>
>>>>> Restrict speed to Gen2 to address the errata.
>>>>>
>>>>> Signed-off-by: Sekhar Nori <nsekhar@ti.com>
>>>>
>>>> Is this in your queue or should I rebase and resend?
>>>
>>> Thanks for the reminder. I have put it on my staging branch for now.
>>> Once rc3 gets tagged with irqchip related changes, I will move this over
>>> to next.
>>
>> Hmm, this is errata fix and fair game for -rc cycle. Can we have this in
>> v5.9 itself?
> 
> We could, but does'nt seem urgent enough for 5.9 cycle since the dts node
> was'nt introduced in this cycle, I think it was introduced around 5.3 or
> so?

Isn't this too early in -rc cycle to be regressions only?

I can provide a fixes tag if you want to ensure backporting. I felt odd
about it because its workaround for hardware issue, nothing wrong in the
original commit when it was written.

But if you are uncomfortable, fine :)

Thanks,
Sekhar

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  reply	other threads:[~2020-08-28 11:57 UTC|newest]

Thread overview: 8+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-08-02 16:53 [PATCH] arm64: dts: ti: k3-am65: restrict PCIe to Gen2 speed Sekhar Nori
2020-08-27  4:43 ` Sekhar Nori
2020-08-28  0:43   ` Nishanth Menon
     [not found]   ` <20200828002426.e7surnodpblgln7h@akan>
2020-08-28  3:04     ` Sekhar Nori
2020-08-28 11:32       ` Nishanth Menon
2020-08-28 11:56         ` Sekhar Nori [this message]
2020-08-28 13:08           ` Nishanth Menon
2020-08-31 18:07 ` Nishanth Menon

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