From: Ilpo Järvinen ilpo.jarvinen@linux.intel.com
[ Upstream commit ac4f1897fa5433a1b07a625503a91b6aa9d7e643 ]
Unlike the lower rates, the PCIe 64GT/s Data Rate uses 1b/1b encoding, not 128b/130b (PCIe r6.1 sec 1.2, Table 1-1). Correct the PCIE_SPEED2MBS_ENC() calculation to reflect that.
Link: https://lore.kernel.org/r/20240102172701.65501-1-ilpo.jarvinen@linux.intel.c... Signed-off-by: Ilpo Järvinen ilpo.jarvinen@linux.intel.com Signed-off-by: Bjorn Helgaas bhelgaas@google.com Signed-off-by: Sasha Levin sashal@kernel.org --- drivers/pci/pci.h | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/pci/pci.h b/drivers/pci/pci.h index f43873049d52..c6283ba78197 100644 --- a/drivers/pci/pci.h +++ b/drivers/pci/pci.h @@ -272,7 +272,7 @@ void pci_bus_put(struct pci_bus *bus);
/* PCIe speed to Mb/s reduced by encoding overhead */ #define PCIE_SPEED2MBS_ENC(speed) \ - ((speed) == PCIE_SPEED_64_0GT ? 64000*128/130 : \ + ((speed) == PCIE_SPEED_64_0GT ? 64000*1/1 : \ (speed) == PCIE_SPEED_32_0GT ? 32000*128/130 : \ (speed) == PCIE_SPEED_16_0GT ? 16000*128/130 : \ (speed) == PCIE_SPEED_8_0GT ? 8000*128/130 : \