diff options
author | Ilpo Järvinen <[email protected]> | 2023-09-19 15:56:45 +0300 |
---|---|---|
committer | Bjorn Helgaas <[email protected]> | 2023-10-10 15:00:52 -0500 |
commit | 408599ec561ad5862cda4f107626009f6fa97a74 (patch) | |
tree | 2af70aa98bb362e24a37516e881dfd45fd642294 | |
parent | 759574abd78e3b47ec45bbd31a64e8832cf73f97 (diff) |
PCI: mvebu: Use FIELD_PREP() with Link Width
mvebu_pcie_setup_hw() setups the Maximum Link Width field in the Link
Capabilities registers using an open-coded variant of FIELD_PREP() with
a literal in shift. Improve readability by using
FIELD_PREP(PCI_EXP_LNKCAP_MLW, ...).
Link: https://lore.kernel.org/r/[email protected]
Signed-off-by: Ilpo Järvinen <[email protected]>
Signed-off-by: Bjorn Helgaas <[email protected]>
Reviewed-by: Jonathan Cameron <[email protected]>
-rw-r--r-- | drivers/pci/controller/pci-mvebu.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/pci/controller/pci-mvebu.c b/drivers/pci/controller/pci-mvebu.c index 60810a1fbfb7..29fe09c99e7d 100644 --- a/drivers/pci/controller/pci-mvebu.c +++ b/drivers/pci/controller/pci-mvebu.c @@ -264,7 +264,7 @@ static void mvebu_pcie_setup_hw(struct mvebu_pcie_port *port) */ lnkcap = mvebu_readl(port, PCIE_CAP_PCIEXP + PCI_EXP_LNKCAP); lnkcap &= ~PCI_EXP_LNKCAP_MLW; - lnkcap |= (port->is_x4 ? 4 : 1) << 4; + lnkcap |= FIELD_PREP(PCI_EXP_LNKCAP_MLW, port->is_x4 ? 4 : 1); mvebu_writel(port, lnkcap, PCIE_CAP_PCIEXP + PCI_EXP_LNKCAP); /* Disable Root Bridge I/O space, memory space and bus mastering. */ |