From: Nishanth Menon <nm@ti.com>
To: Sekhar Nori <nsekhar@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 06:32:14 -0500 [thread overview]
Message-ID: <20200828113214.2j7uph4pc3e6isqp@akan> (raw)
In-Reply-To: <e5895ea7-0746-7157-829d-e1b9901b8e76@ti.com>
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?
>
> >
> > Now, that said, Please consider converting
> > Documentation/devicetree/bindings/pci/pci-keystone.txt to yaml sometime
> > in near future, if possible.
> >
> > We might also want to spend a little more time with W=2 dtbs build and
> > dtbs_check to cleanup.
>
> Sure, will add to TODO.
Thanks.
--
Regards,
Nishanth Menon
Key (0xDDB5849D1736249D) / Fingerprint: F8A2 8693 54EB 8232 17A3 1A34 DDB5 849D 1736 249D
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next prev parent reply other threads:[~2020-08-28 11:33 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 [this message]
2020-08-28 11:56 ` Sekhar Nori
2020-08-28 13:08 ` Nishanth Menon
2020-08-31 18:07 ` Nishanth Menon
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