diff options
| author | Ajay Agarwal <ajayagarwal@google.com> | 2023-05-04 14:13:01 +0300 |
|---|---|---|
| committer | Bjorn Helgaas <bhelgaas@google.com> | 2023-05-19 18:29:40 +0300 |
| commit | 911afb9f9516a8ea2db1d15b18436c19a591dc5c (patch) | |
| tree | e928768fc27436bd0f9f99af8cbb24ffcde2be12 /drivers/pci/pcie | |
| parent | 05a55d9ca1457295db73f127e39ec3b18f0b32b2 (diff) | |
| download | linux-911afb9f9516a8ea2db1d15b18436c19a591dc5c.tar.xz | |
PCI/ASPM: Remove unnecessary ASPM_STATE_L1SS check
Previously aspm_l1ss_init() checked if ASPM_STATE_L1SS is supported before
calling aspm_calc_l12_info(), only for that function to return if
ASPM_STATE_L1_2_MASK is not supported. Simplify the logic by directly
checking for ASPM_STATE_L1_2_MASK.
Link: https://lore.kernel.org/r/20230504111301.229358-6-ajayagarwal@google.com
Signed-off-by: Ajay Agarwal <ajayagarwal@google.com>
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
Diffstat (limited to 'drivers/pci/pcie')
| -rw-r--r-- | drivers/pci/pcie/aspm.c | 5 |
1 files changed, 1 insertions, 4 deletions
diff --git a/drivers/pci/pcie/aspm.c b/drivers/pci/pcie/aspm.c index d3d8dfe1fb73..72cdb30a924a 100644 --- a/drivers/pci/pcie/aspm.c +++ b/drivers/pci/pcie/aspm.c @@ -481,9 +481,6 @@ static void aspm_calc_l12_info(struct pcie_link_state *link, u32 pctl1, pctl2, cctl1, cctl2; u32 pl1_2_enables, cl1_2_enables; - if (!(link->aspm_support & ASPM_STATE_L1_2_MASK)) - return; - /* Choose the greater of the two Port Common_Mode_Restore_Times */ val1 = (parent_l1ss_cap & PCI_L1SS_CAP_CM_RESTORE_TIME) >> 8; val2 = (child_l1ss_cap & PCI_L1SS_CAP_CM_RESTORE_TIME) >> 8; @@ -616,7 +613,7 @@ static void aspm_l1ss_init(struct pcie_link_state *link) if (parent_l1ss_ctl1 & child_l1ss_ctl1 & PCI_L1SS_CTL1_PCIPM_L1_2) link->aspm_enabled |= ASPM_STATE_L1_2_PCIPM; - if (link->aspm_support & ASPM_STATE_L1SS) + if (link->aspm_support & ASPM_STATE_L1_2_MASK) aspm_calc_l12_info(link, parent_l1ss_cap, child_l1ss_cap); } |