Hi, On 25/11/19 10:03 AM, Vidya Sagar wrote: > On 11/18/2019 10:13 PM, Jingoo Han wrote: >> >> >> On 11/18/19, 1:55 AM, Vidya Sagar wrote: >>> >>> On 11/13/2019 2:38 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 (4): >>>> PCI: dwc: Add new feature to skip core initialization >>>> 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 | 114 ++++++++++++------ >>>> 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(+), 66 deletions(-) >>>> >>> >>> Hi Kishon / Gustavo / Jingoo, >>> Could you please take a look at this patch series? >> >> You need a Ack from Kishon, because he made EP code. > Hi Kishon, > Could you please find time to review this series? I'll review it this week. Sorry for the delay. -Kishon
