Re: [PATCH 1/1] PCI: 64GT/s uses 1b/1b encoding

From: Bjorn Helgaas
Date: Tue Jan 02 2024 - 13:14:27 EST


On Tue, Jan 02, 2024 at 07:27:00PM +0200, Ilpo Järvinen wrote:
> PCIe 64GT/s Data Rate uses 1b/1b encoding, not 128b/130b (PCIe r6.1 sec
> 1.2, Table 1-1).
>
> Signed-off-by: Ilpo Järvinen <ilpo.jarvinen@xxxxxxxxxxxxxxx>

Applied to pci/enumeration for v6.8, thanks!

> ---
> 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 5ecbcf041179..d9132029d658 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 : \
> --
> 2.39.2
>