Re: [PATCH RFC] PCI: imx6: add dt prop for link gen, default to gen1

[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

 



On Fri, Nov 6, 2015 at 1:36 AM, Lucas Stach <l.stach@xxxxxxxxxxxxxx> wrote:
> Am Donnerstag, den 05.11.2015, 06:58 -0800 schrieb Tim Harvey:
>> Freescale has stated [1] that the LVDS clock source of the IMX6 does not pass
>> the PCI Gen2 clock jitter test, therefore unless an external Gen2 compliant
>> external clock source is present and supplied back to the IMX6 PCIe core
>> via LVDS CLK1/CLK2 you can not claim Gen2 compliance.
>>
>> Add a dt property to specify gen1 vs gen2 and check this before allowing
>> a Gen2 link.
>>
> I think I already said this in the last round: there is nothing vendor
> specific in a max-link-speed property. I would really like to have this
> as a common DW PCIe property right from the beginning, so that we don't
> burden us with keeping backward compatibility with vendor specific
> properties when this moves to common code eventually.

Hi Lucas,

I did discuss this patch with you off-list but I think I misunderstood
your meaning then.

So you are asking me to simply rename the properly
'fsl,max-link-speed' to 'max-link-speed' and the rest of the patch is
good with you?

Regards,

Tim
--
To unsubscribe from this list: send the line "unsubscribe linux-pci" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at  http://vger.kernel.org/majordomo-info.html



[Index of Archives]     [DMA Engine]     [Linux Coverity]     [Linux USB]     [Video for Linux]     [Linux Audio Users]     [Yosemite News]     [Linux Kernel]     [Linux SCSI]     [Greybus]

  Powered by Linux