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PCI: Simplify pcie_capability_clear_and_set_word() to ..._clear_word()
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[ Upstream commit 0fce6e5 ]

When using pcie_capability_clear_and_set_word() but not actually *setting*
anything, use pcie_capability_clear_word() instead.

Link: https://lore.kernel.org/r/20231026121924.2164-1-ilpo.jarvinen@linux.intel.com
Link: https://lore.kernel.org/r/20231026121924.2164-2-ilpo.jarvinen@linux.intel.com
Signed-off-by: Ilpo Järvinen <ilpo.jarvinen@linux.intel.com>
[bhelgaas: squash]
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
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ij-intel authored and gregkh committed Apr 27, 2024
1 parent d9a2891 commit 4afc65c
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Showing 2 changed files with 7 additions and 7 deletions.
8 changes: 4 additions & 4 deletions drivers/pci/pcie/aspm.c
Expand Up @@ -689,10 +689,10 @@ static void pcie_config_aspm_l1ss(struct pcie_link_state *link, u32 state)
* in pcie_config_aspm_link().
*/
if (enable_req & (ASPM_STATE_L1_1 | ASPM_STATE_L1_2)) {
pcie_capability_clear_and_set_word(child, PCI_EXP_LNKCTL,
PCI_EXP_LNKCTL_ASPM_L1, 0);
pcie_capability_clear_and_set_word(parent, PCI_EXP_LNKCTL,
PCI_EXP_LNKCTL_ASPM_L1, 0);
pcie_capability_clear_word(child, PCI_EXP_LNKCTL,
PCI_EXP_LNKCTL_ASPM_L1);
pcie_capability_clear_word(parent, PCI_EXP_LNKCTL,
PCI_EXP_LNKCTL_ASPM_L1);
}

val = 0;
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6 changes: 3 additions & 3 deletions drivers/pci/quirks.c
Expand Up @@ -4571,9 +4571,9 @@ static void quirk_disable_root_port_attributes(struct pci_dev *pdev)

pci_info(root_port, "Disabling No Snoop/Relaxed Ordering Attributes to avoid PCIe Completion erratum in %s\n",
dev_name(&pdev->dev));
pcie_capability_clear_and_set_word(root_port, PCI_EXP_DEVCTL,
PCI_EXP_DEVCTL_RELAX_EN |
PCI_EXP_DEVCTL_NOSNOOP_EN, 0);
pcie_capability_clear_word(root_port, PCI_EXP_DEVCTL,
PCI_EXP_DEVCTL_RELAX_EN |
PCI_EXP_DEVCTL_NOSNOOP_EN);
}

/*
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