[PATCH v3 0/3] PCI: apple: Assorted #PERST fixes
Marc Zyngier
maz at kernel.org
Tue Nov 30 03:59:32 PST 2021
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...
More information about the linux-arm-kernel
mailing list