Re: [PATCH v3 0/5] PCI: Add support for J7200 and AM64

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Hi Lorenzo,

On 19/08/21 7:14 pm, Lorenzo Pieralisi wrote:
> On Thu, Aug 19, 2021 at 06:12:54PM +0530, Kishon Vijay Abraham I wrote:
>> Hi Lorenzo,
>>
>> On 11/08/21 6:03 pm, Kishon Vijay Abraham I wrote:
>>> This series adds the compatible specific to J7200 and AM64 and
>>> applies the erratas and configuration specific to them.
>>>
>>> This series also includes Nadeem's patch that adds a quirk in
>>> Cadence driver which is used by J7200 [1].
>>>
>>> The DT binding for both J7200 and AM64 is already merged.
>>>
>>> v1 of the patch series can be found at [2]
>>> v2 of the patch series can be found at [3]
>>
>> Gentle ping on this series.
>>
>> I've dropped "misc: pci_endpoint_test: Do not request or allocate IRQs
>> in probe" [A] from the previous version of the series which you had
>> concerns with.
>>
>> [A] -> http://lore.kernel.org/r/02c1ddb7-539e-20a0-1bef-e10e76922a0e@xxxxxx
> 
> Understood. The question is, how did you solve the issue that was
> forcing you to have that patch in place in the updated series.

That issue only prevents more than 5 pci-endpoint-test devices to be
tested simultaneously.

For the GIC ITS issue, I'm planning to post the workaround mentioned in
the errata document.

Errata ID #i2101 GIC: ITS Misbehavior
(https://www.ti.com/lit/er/sprz455a/sprz455a.pdf).

Also the GIC ITS issue is not present in J7200 and AM64 which this
series is planning to address. It's present only in J721E and AM65.

Thanks
Kishon

> 
> Thanks,
> Lorenzo
> 
>>
>> Thanks
>> Kishon
>>
>>>
>>> Changes from v2:
>>> 1) Drop the patch that does not request or allocate IRQs in probe for
>>> J721E/AM654
>>> 2) Fix other minor comments given by Lorenzo
>>>
>>> Changes from v1:
>>> 1) As suggested by Bjorn, used unsigned int :1, instead of bool for
>>> structure members
>>> 2) Removed using unnecessary local variables and also fixed some
>>> code alignment
>>>
>>> [1] -> https://lore.kernel.org/r/20210528155626.21793-1-nadeem@xxxxxxxxxxx
>>> [2] -> https://lore.kernel.org/r/20210706105035.9915-1-kishon@xxxxxx
>>> [3] -> https://lore.kernel.org/r/20210803074932.19820-1-kishon@xxxxxx
>>>
>>> Kishon Vijay Abraham I (4):
>>>   PCI: cadence: Use bitfield for *quirk_retrain_flag* instead of bool
>>>   PCI: j721e: Add PCIe support for J7200
>>>   PCI: j721e: Add PCIe support for AM64
>>>   misc: pci_endpoint_test: Add deviceID for AM64 and J7200
>>>
>>> Nadeem Athani (1):
>>>   PCI: cadence: Add quirk flag to set minimum delay in LTSSM
>>>     Detect.Quiet state
>>>
>>>  drivers/misc/pci_endpoint_test.c              |  8 +++
>>>  drivers/pci/controller/cadence/pci-j721e.c    | 61 +++++++++++++++++--
>>>  .../pci/controller/cadence/pcie-cadence-ep.c  |  4 ++
>>>  .../controller/cadence/pcie-cadence-host.c    |  3 +
>>>  drivers/pci/controller/cadence/pcie-cadence.c | 16 +++++
>>>  drivers/pci/controller/cadence/pcie-cadence.h | 17 +++++-
>>>  6 files changed, 103 insertions(+), 6 deletions(-)
>>>



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