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SubjectRe: [PATCH V2 0/5] Add support to defer core initialization
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Hi Kishon,
Apologies for pinging again. Could you please review this series?

Thanks,
Vidya Sagar

On 1/11/2020 5:18 PM, Vidya Sagar wrote:
> Hi Kishon,
> Could you please review this series?
>
> Also, this series depends on the following change of yours
> http://patchwork.ozlabs.org/patch/1109884/
> Whats the plan to get this merged?
>
> Thanks,
> Vidya Sagar
>
> On 1/3/20 3:37 PM, Vidya Sagar wrote:
>> EPC/DesignWare core endpoint subsystems assume that the core registers
>> are
>> available always for SW to initialize. But, that may not be the case
>> always.
>> For example, Tegra194 hardware has the core running on a clock that is
>> derived
>> from reference clock that is coming into the endpoint system from host.
>> Hence core is made available asynchronously based on when host system
>> is going
>> for enumeration of devices. To accommodate this kind of hardwares,
>> support is
>> required to defer the core initialization until the respective
>> platform driver
>> informs the EPC/DWC endpoint sub-systems that the core is indeed
>> available for
>> initiaization. This patch series is attempting to add precisely that.
>> This series is based on Kishon's patch that adds notification mechanism
>> support from EPC to EPF @ http://patchwork.ozlabs.org/patch/1109884/
>>
>> Vidya Sagar (5):
>>    PCI: endpoint: Add core init notifying feature
>>    PCI: dwc: Refactor core initialization code for EP mode
>>    PCI: endpoint: Add notification for core init completion
>>    PCI: dwc: Add API to notify core initialization completion
>>    PCI: pci-epf-test: Add support to defer core initialization
>>
>>   .../pci/controller/dwc/pcie-designware-ep.c   |  79 +++++++-----
>>   drivers/pci/controller/dwc/pcie-designware.h  |  11 ++
>>   drivers/pci/endpoint/functions/pci-epf-test.c | 118 ++++++++++++------
>>   drivers/pci/endpoint/pci-epc-core.c           |  19 ++-
>>   include/linux/pci-epc.h                       |   2 +
>>   include/linux/pci-epf.h                       |   5 +
>>   6 files changed, 164 insertions(+), 70 deletions(-)
>>

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