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From: Hans Zhang <18255117159@163.com>
To: bhelgaas@google.com, mani@kernel.org, lpieralisi@kernel.org,
	kwilczynski@kernel.org, thierry.reding@kernel.org,
	ryder.lee@mediatek.com, jonathanh@nvidia.com
Cc: robh@kernel.org, linux-pci@vger.kernel.org,
	linux-kernel@vger.kernel.org, linux-mediatek@lists.infradead.org,
	linux-tegra@vger.kernel.org, Hans Zhang <18255117159@163.com>
Subject: [PATCH v2 2/5] PCI: Convert remaining core pcie_link_speed[] users
Date: Sun,  8 Nov 2026 17:40:31 +0800	[thread overview]
Message-ID: <20261108094034.679945-3-18255117159@163.com> (raw)
In-Reply-To: <20261108094034.679945-1-18255117159@163.com>

Convert the remaining direct pcie_link_speed[] accesses in pci-sysfs.c,
the __pcie_update_link_speed() inline helper, and pci_set_bus_speed() in
probe.c to pcie_get_link_speed().  This includes the max_bus_speed
lookup that was missed in v1.

Signed-off-by: Hans Zhang <18255117159@163.com>
---
 drivers/pci/pci-sysfs.c | 2 +-
 drivers/pci/pci.h       | 2 +-
 drivers/pci/probe.c     | 2 +-
 3 files changed, 3 insertions(+), 3 deletions(-)

diff --git a/drivers/pci/pci-sysfs.c b/drivers/pci/pci-sysfs.c
index 6669e9ad5bd3..30db3349a44c 100644
--- a/drivers/pci/pci-sysfs.c
+++ b/drivers/pci/pci-sysfs.c
@@ -234,7 +234,7 @@ static ssize_t current_link_speed_show(struct device *dev,
 	if (err)
 		return -EINVAL;
 
-	speed = pcie_link_speed[linkstat & PCI_EXP_LNKSTA_CLS];
+	speed = pcie_get_link_speed(FIELD_GET(PCI_EXP_LNKSTA_CLS, linkstat));
 
 	return sysfs_emit(buf, "%s\n", pci_speed_string(speed));
 }
diff --git a/drivers/pci/pci.h b/drivers/pci/pci.h
index 77efa4c5c960..5441741bc330 100644
--- a/drivers/pci/pci.h
+++ b/drivers/pci/pci.h
@@ -692,7 +692,7 @@ static inline void __pcie_update_link_speed(struct pci_bus *bus,
 					    enum pcie_link_change_reason reason,
 					    u16 linksta, u16 linksta2)
 {
-	bus->cur_bus_speed = pcie_link_speed[linksta & PCI_EXP_LNKSTA_CLS];
+	bus->cur_bus_speed = pcie_get_link_speed(FIELD_GET(PCI_EXP_LNKSTA_CLS, linksta));
 	bus->flit_mode = (linksta2 & PCI_EXP_LNKSTA2_FLIT) ? 1 : 0;
 
 	trace_pcie_link_event(bus,
diff --git a/drivers/pci/probe.c b/drivers/pci/probe.c
index 9a178e0e5f7f..d0283a8158f2 100644
--- a/drivers/pci/probe.c
+++ b/drivers/pci/probe.c
@@ -924,7 +924,7 @@ static void pci_set_bus_speed(struct pci_bus *bus)
 		u32 linkcap;
 
 		pcie_capability_read_dword(bridge, PCI_EXP_LNKCAP, &linkcap);
-		bus->max_bus_speed = pcie_link_speed[linkcap & PCI_EXP_LNKCAP_SLS];
+		bus->max_bus_speed = pcie_get_link_speed(FIELD_GET(PCI_EXP_LNKCAP_SLS, linkcap));
 
 		pcie_update_link_speed(bus, PCIE_ADD_BUS);
 	}
-- 
2.43.0


  parent reply	other threads:[~2026-11-08  9:41 UTC|newest]

Thread overview: 7+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2026-11-08  9:40 [PATCH v2 0/5] PCI: Encapsulate pcie_link_speed array access Hans Zhang
2026-11-08  9:40 ` [PATCH v2 1/5] PCI: Use pcie_get_link_speed() in pci.c Hans Zhang
2026-11-09 12:03   ` Ilpo Järvinen
2026-11-08  9:40 ` Hans Zhang [this message]
2026-11-08  9:40 ` [PATCH v2 3/5] PCI: tegra264: Use pcie_get_link_speed() Hans Zhang
2026-11-08  9:40 ` [PATCH v2 4/5] PCI: mediatek: " Hans Zhang
2026-11-08  9:40 ` [PATCH v2 5/5] PCI: Make pcie_link_speed[] private to probe.c Hans Zhang

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