Message ID | 20230803150409.271155-2-Frank.Li@nxp.com |
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State | New |
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dwc general suspend/resume functionality
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Commit Message
Frank Li
Aug. 3, 2023, 3:04 p.m. UTC
Introduces the PCIE_PME_TO_L2_TIMEOUT_US macro to facilitate checking the
PME (Power Management Event) timeout in the PCI subsystem.
Signed-off-by: Frank Li <Frank.Li@nxp.com>
---
drivers/pci/pci.h | 6 ++++++
1 file changed, 6 insertions(+)
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;