PCI: Move pci_bus_speed2lnkctl2() to public header

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Move the static array-based pci_bus_speed2lnkctl2() function from
bwctrl.c to pci.h as a public inline function.

This provides efficient O(1) speed-to-LNKCTL2 value conversion using
static array lookup, maintaining optimal performance while enabling
code reuse by other PCIe drivers.

Signed-off-by: Hans Zhang <18255117159@163.com>
[mani: replaced <asm/bug.h> with <linux/bug.h> as per checkpatch]
Signed-off-by: Manivannan Sadhasivam <mani@kernel.org>
Reviewed-by: Shawn Lin <shawn.lin@rock-chips.com>
Acked-by: Bjorn Helgaas <bhelgaas@google.com>
Link: https://patch.msgid.link/20260407130450.1489318-3-18255117159@163.com

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Hans Zhang 2026-04-07 21:04:49 +08:00 • committed by Manivannan Sadhasivam

parent e1c1eb1d89

commit a03c77abaa

2 changed files with 18 additions and 17 deletions

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18

drivers/pci/pci.h

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17

drivers/pci/pcie/bwctrl.c

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