On Wed, Aug 09, 2023 at 11:35:38AM -0400, Frank Li wrote: > Introduce the PCIE_PME_TO_L2_TIMEOUT_US macro to facilitate checking the > L2 ready timeout in the PCI subsystem. > > Acked-by: Manivannan Sadhasivam <mani@xxxxxxxxxx> > Signed-off-by: Frank Li <Frank.Li@xxxxxxx> > --- > drivers/pci/pci.h | 6 ++++++ > 1 file changed, 6 insertions(+) This patch requires Bjorn's ACK. Lorenzo > diff --git a/drivers/pci/pci.h b/drivers/pci/pci.h > index a4c3974340576..da8156663c825 100644 > --- a/drivers/pci/pci.h > +++ b/drivers/pci/pci.h > @@ -13,6 +13,12 @@ > > #define PCIE_LINK_RETRAIN_TIMEOUT_MS 1000 > > +/* > + * PCIe r6.0, sec 5.3.3.2.1 <PME Synchronization> > + * Recommends 1ms to 10ms timeout to check L2 ready. > + */ > +#define PCIE_PME_TO_L2_TIMEOUT_US 10000 > + > extern const unsigned char pcie_link_speed[]; > extern bool pci_early_dump; > > -- > 2.34.1 >
