On Mon, Feb 19, 2024 at 10:16:20AM -0500, Frank Li wrote: > On Tue, Feb 13, 2024 at 04:50:21PM -0500, Frank Li wrote: > > Involve an new and common mathod to send pme_turn_off() message. Previously > > pme_turn_off() implement by platform related special register to trigge > > it. > > @mani:l > > Do you have chance look this patches. Actually other patches > already reviewed. Only missed > > PCI: dwc: Add common send PME_Turn_Off message method > PCI: Add PCIE_MSG_CODE_PME_TURN_OFF message macro > > This patch will reduce customer's PME_Turn_off method. Many code > can be cleaned after this. @mani and @lpieralisi Do you have chance to look these? Frank > > Frank Li > > > > > But Yoshihiro give good idea by using iATU to send out message. Previously > > Yoshihiro provide patches to raise INTx message by dummy write to outbound > > iATU. > > > > Use similar mathod to send out pme_turn_off message. > > > > Previous two patches is picked from Yoshihiro' big patch serialise. > > PCI: dwc: Change arguments of dw_pcie_prog_outbound_atu() > > PCI: Add INTx Mechanism Messages macros > > > > PCI: Add PME_TURN_OFF message macro > > dt-bindings: PCI: dwc: Add 'msg" register region, Add "msg" region to use > > to map PCI msg. > > > > PCI: dwc: Add common pme_turn_off message method > > Using common pme_turn_off() message if platform have not define their. > > > > Signed-off-by: Frank Li <Frank.Li@xxxxxxx> > > --- > > Changes in v4: > > - Remove dt-binding patch. Needn't change any dts file and binding doc. > > Reserve a region at end of first IORESOURCE_MEM window by call > > request_resource(). So PCIe stack will not use this reserve region to any > > PCIe devices. > > I tested it by reserve at begin of IORESOURCE_MEM window. PCIe stack > > will skip it as expection. > > > > Fixed a issue, forget set iATU index when sent PME_turn_off. > > > > - Link to v3: https://lore.kernel.org/r/20240202-pme_msg-v3-0-ff2af57a02ad@xxxxxxx > > > > Changes in v3: > > - fix 'MSG" > > - Add pcie spec ref in head file > > - using function name dw_pci_pme_turn_off() > > - Using PCIE_ prefix macro > > - Link to v2: https://lore.kernel.org/r/20240201-pme_msg-v2-0-6767052fe6a4@xxxxxxx > > > > Changes in v2: > > - Add my sign off at PCI: dwc: Add outbound MSG TLPs support > > - Add Bjorn review tag at Add INTx Mechanism Messages macros > > - using PME_Turn_Off match PCIe spec > > - ref to pcie spec v6.1 > > - using section number. > > > > - Link to v1: https://lore.kernel.org/r/20240130-pme_msg-v1-0-d52b0add5c7c@xxxxxxx > > > > --- > > Frank Li (2): > > PCI: Add PCIE_MSG_CODE_PME_TURN_OFF message macro > > PCI: dwc: Add common send PME_Turn_Off message method > > > > Yoshihiro Shimoda (3): > > PCI: Add INTx Mechanism Messages macros > > PCI: dwc: Consolidate args of dw_pcie_prog_outbound_atu() into a structure > > PCI: dwc: Add outbound MSG TLPs support > > > > drivers/pci/controller/dwc/pcie-designware-ep.c | 21 ++-- > > drivers/pci/controller/dwc/pcie-designware-host.c | 145 +++++++++++++++++++--- > > drivers/pci/controller/dwc/pcie-designware.c | 54 ++++---- > > drivers/pci/controller/dwc/pcie-designware.h | 21 +++- > > drivers/pci/pci.h | 20 +++ > > 5 files changed, 197 insertions(+), 64 deletions(-) > > --- > > base-commit: e08fc59eee9991afa467d406d684d46d543299a9 > > change-id: 20240130-pme_msg-dd2d81ee9886 > > > > Best regards, > > -- > > Frank Li <Frank.Li@xxxxxxx> > >
