[v3,1/9] PCI: add 32 GT/s decoding in some macros
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Message ID 1581593793-23589-2-git-send-email-yangyicong@hisilicon.com
State New
Headers show
Series
  • Improve link speed presentation process
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Commit Message

Yicong Yang Feb. 13, 2020, 11:36 a.m. UTC
Link speed 32.0 GT/s is supported in PCIe r5.0. Add in macro
PCIE_SPEED2STR and PCIE_SPEED2MBS_ENC to correctly decode.
This patch is a complementary to
commit de76cda215d5 ("PCI: Decode PCIe 32 GT/s link speed").

Signed-off-by: Yicong Yang <yangyicong@hisilicon.com>
---
 drivers/pci/pci.h | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

Patch
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diff --git a/drivers/pci/pci.h b/drivers/pci/pci.h
index 6394e77..f65912e 100644
--- a/drivers/pci/pci.h
+++ b/drivers/pci/pci.h
@@ -294,7 +294,8 @@  void pci_bus_put(struct pci_bus *bus);
 
 /* PCIe link information */
 #define PCIE_SPEED2STR(speed) \
-	((speed) == PCIE_SPEED_16_0GT ? "16 GT/s" : \
+	((speed) == PCIE_SPEED_32_0GT ? "32 GT/s" : \
+	 (speed) == PCIE_SPEED_16_0GT ? "16 GT/s" : \
 	 (speed) == PCIE_SPEED_8_0GT ? "8 GT/s" : \
 	 (speed) == PCIE_SPEED_5_0GT ? "5 GT/s" : \
 	 (speed) == PCIE_SPEED_2_5GT ? "2.5 GT/s" : \
@@ -302,7 +303,8 @@  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_16_0GT ? 16000*128/130 : \
+	((speed) == PCIE_SPEED_32_0GT ? 32000*128/130 : \
+	 (speed) == PCIE_SPEED_16_0GT ? 16000*128/130 : \
 	 (speed) == PCIE_SPEED_8_0GT  ?  8000*128/130 : \
 	 (speed) == PCIE_SPEED_5_0GT  ?  5000*8/10 : \
 	 (speed) == PCIE_SPEED_2_5GT  ?  2500*8/10 : \