Re: [PATCH] PCI: Support PCIe 4.0 data rate(16.0 GT/s)

2018-03-21 Thread Bjorn Helgaas
On Mon, Mar 12, 2018 at 05:13:32PM +0800, Jay Fang wrote: > PCIe 4.0 provides an effective 16.0 GT/second/lane/direction of raw > bandwidth. Current PCI driver does not support this new feature. > For example, when you read a PCIe 4.0 EP's link data rate by sysfs, it > will return "Unknown speed",

Re: [PATCH] PCI: Support PCIe 4.0 data rate(16.0 GT/s)

2018-03-21 Thread Bjorn Helgaas
On Mon, Mar 12, 2018 at 05:13:32PM +0800, Jay Fang wrote: > PCIe 4.0 provides an effective 16.0 GT/second/lane/direction of raw > bandwidth. Current PCI driver does not support this new feature. > For example, when you read a PCIe 4.0 EP's link data rate by sysfs, it > will return "Unknown speed",

[PATCH] PCI: Support PCIe 4.0 data rate(16.0 GT/s)

2018-03-12 Thread Jay Fang
PCIe 4.0 provides an effective 16.0 GT/second/lane/direction of raw bandwidth. Current PCI driver does not support this new feature. For example, when you read a PCIe 4.0 EP's link data rate by sysfs, it will return "Unknown speed", not the expected "16.0 GT/s". Signed-off-by: Jay Fang

[PATCH] PCI: Support PCIe 4.0 data rate(16.0 GT/s)

2018-03-12 Thread Jay Fang
PCIe 4.0 provides an effective 16.0 GT/second/lane/direction of raw bandwidth. Current PCI driver does not support this new feature. For example, when you read a PCIe 4.0 EP's link data rate by sysfs, it will return "Unknown speed", not the expected "16.0 GT/s". Signed-off-by: Jay Fang