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authorBjorn Helgaas <bhelgaas@google.com>2023-10-10 22:44:27 +0200
committerBjorn Helgaas <bhelgaas@google.com>2023-10-24 17:54:04 +0200
commite0f0a16f5ff3670f2b26f0ef4b8fd5c55ebefd81 (patch)
tree745c534f525fd52aa259d3a0054c5c0e4f632f69 /drivers/pci/probe.c
parentPCI/MSI: Use FIELD_GET/PREP() (diff)
downloadlinux-e0f0a16f5ff3670f2b26f0ef4b8fd5c55ebefd81.tar.xz
linux-e0f0a16f5ff3670f2b26f0ef4b8fd5c55ebefd81.zip
PCI: Use FIELD_GET()
Use FIELD_GET() and FIELD_PREP() to remove dependences on the field position, i.e., the shift value. No functional change intended. Link: https://lore.kernel.org/r/20231010204436.1000644-2-helgaas@kernel.org Signed-off-by: Bjorn Helgaas <bhelgaas@google.com> Reviewed-by: Jonathan Cameron <Jonathan.Cameron@huawei.com> Reviewed-by: Kuppuswamy Sathyanarayanan <sathyanarayanan.kuppuswamy@linux.intel.com>
Diffstat (limited to 'drivers/pci/probe.c')
-rw-r--r--drivers/pci/probe.c8
1 files changed, 4 insertions, 4 deletions
diff --git a/drivers/pci/probe.c b/drivers/pci/probe.c
index 795534589b98..2036c3a120ee 100644
--- a/drivers/pci/probe.c
+++ b/drivers/pci/probe.c
@@ -807,8 +807,8 @@ static void pci_set_bus_speed(struct pci_bus *bus)
}
bus->max_bus_speed = max;
- bus->cur_bus_speed = pcix_bus_speed[
- (status & PCI_X_SSTATUS_FREQ) >> 6];
+ bus->cur_bus_speed =
+ pcix_bus_speed[FIELD_GET(PCI_X_SSTATUS_FREQ, status)];
return;
}
@@ -1217,8 +1217,8 @@ static bool pci_ea_fixed_busnrs(struct pci_dev *dev, u8 *sec, u8 *sub)
offset = ea + PCI_EA_FIRST_ENT;
pci_read_config_dword(dev, offset, &dw);
- ea_sec = dw & PCI_EA_SEC_BUS_MASK;
- ea_sub = (dw & PCI_EA_SUB_BUS_MASK) >> PCI_EA_SUB_BUS_SHIFT;
+ ea_sec = FIELD_GET(PCI_EA_SEC_BUS_MASK, dw);
+ ea_sub = FIELD_GET(PCI_EA_SUB_BUS_MASK, dw);
if (ea_sec == 0 || ea_sub < ea_sec)
return false;