From: "Ilpo Järvinen" <ilpo.jarvinen@linux.intel.com>
To: Gustavo Pimentel <Gustavo.Pimentel@synopsys.com>,
Bjorn Helgaas <bhelgaas@google.com>,
linux-pci@vger.kernel.org, linux-kernel@vger.kernel.org
Cc: "Ilpo Järvinen" <ilpo.jarvinen@linux.intel.com>
Subject: [PATCH 1/1] PCI: 64GT/s uses 1b/1b encoding
Date: Tue, 2 Jan 2024 19:27:00 +0200 [thread overview]
Message-ID: <20240102172701.65501-1-ilpo.jarvinen@linux.intel.com> (raw)
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@linux.intel.com>
---
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
next reply other threads:[~2024-01-02 17:27 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2024-01-02 17:27 Ilpo Järvinen [this message]
2024-01-02 18:14 ` [PATCH 1/1] PCI: 64GT/s uses 1b/1b encoding Bjorn Helgaas
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