linux-kernel - Re: [PATCH v3 0/3] PCI: apple: Assorted #PERST fixes

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Message-ID: <b2a06abf476b3e89504a227b3d1bea7c@kernel.org>
Date:   Tue, 30 Nov 2021 11:59:32 +0000
From:   Marc Zyngier <maz@...nel.org>
To:     Lorenzo Pieralisi <lorenzo.pieralisi@....com>
Cc:     Bjorn Helgaas <bhelgaas@...gle.com>, linux-kernel@...r.kernel.org,
        linux-arm-kernel@...ts.infradead.org, linux-pci@...r.kernel.org,
        Pali Rohár <pali@...nel.org>,
        Alyssa Rosenzweig <alyssa@...enzweig.io>,
        Mark Kettenis <mark.kettenis@...all.nl>,
        Luca Ceresoli <luca@...aceresoli.net>, kernel-team@...roid.com
Subject: Re: [PATCH v3 0/3] PCI: apple: Assorted #PERST fixes

Hi Lorenzo, Bjorn,

On 2021-11-30 11:56, Lorenzo Pieralisi wrote:
> On Tue, Nov 23, 2021 at 06:06:33PM +0000, Marc Zyngier wrote:
>> Apologies for the rapid fire (I tend to be much more conservative when
>> resending series), but given that this series has a direct impact on
>> other projects (such as u-boot), I'm trying to converge as quickly as
>> possible.
>> 
>> This series aims at fixing a number of issues for the recently merged
>> Apple PCIe driver, all revolving around the mishandling of #PERST:
>> 
>> - we didn't properly drive #PERST, and we didn't follow the specified
>>   timings
>> 
>> - the DT had the wrong polarity, which has impacts on the driver
>>   itself
>> 
>> Hopefully, this should address all the issues reported so far.
>> 
>> * From v2:
>>   - Fixed DT
>>   - Fixed #PERST polarity in the driver
>>   - Collected Pali's ack on patch #1
>> 
>> [1] https://lore.kernel.org/r/20211122104156.518063-1-maz@kernel.org
>> 
>> Marc Zyngier (3):
>>   PCI: apple: Follow the PCIe specifications when resetting the port
>>   arm64: dts: apple: t8103: Fix PCIe #PERST polarity
>>   PCI: apple: Fix #PERST polarity
>> 
>>  arch/arm64/boot/dts/apple/t8103.dtsi |  7 ++++---
>>  drivers/pci/controller/pcie-apple.c  | 12 +++++++++++-
>>  2 files changed, 15 insertions(+), 4 deletions(-)
> 
> Hi Bjorn,
> 
> this series is v5.16-rcX material for PCI fixes, can you pick patches 
> 1,3
> up please ?

Do you mind picking patch #2 as well? Or shall I route it somewhere 
else?

Thanks,

         M.
-- 
Jazz is not dead. It just smells funny...