diff mbox series

lspci: Add PCIe 5.0 data rate (32GT/s) support

Message ID 0f4a952ee3625ffc64f9797a699479337adab1ae.1558538256.git.gustavo.pimentel@synopsys.com (mailing list archive)
State New, archived
Delegated to: Bjorn Helgaas
Headers show
Series lspci: Add PCIe 5.0 data rate (32GT/s) support | expand

Commit Message

Gustavo Pimentel May 22, 2019, 3:20 p.m. UTC
This enables "lspci" to show PCIe 5.0 data rate (32GT/s) properly
according to the contents in register PCI_EXP_LNKCAP, PCI_EXP_LNKSTA
and PCI_EXP_LNKCTL2.

Cc: Bjorn Helgaas <bhelgaas@google.com>
Cc: Lorenzo Pieralisi <lorenzo.pieralisi@arm.com>
Cc: linux-pci <linux-pci@vger.kernel.org>
Cc: Joao Pinto <jpinto@synopsys.com
Signed-off-by: Gustavo Pimentel <gustavo.pimentel@synopsys.com>
---
 ls-caps.c | 4 ++++
 1 file changed, 4 insertions(+)
diff mbox series

Patch

diff --git a/ls-caps.c b/ls-caps.c
index 88964ce..8a00aa4 100644
--- a/ls-caps.c
+++ b/ls-caps.c
@@ -742,6 +742,8 @@  static char *link_speed(int speed)
 	return "8GT/s";
       case 4:
         return "16GT/s";
+      case 5:
+        return "32GT/s";
       default:
 	return "unknown";
     }
@@ -1160,6 +1162,8 @@  static const char *cap_express_link2_speed(int type)
 	return "8GT/s";
       case 4:
         return "16GT/s";
+      case 5:
+        return "32GT/s";
       default:
 	return "Unknown";
     }