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Kernel/PCI: Simplify detect_optimal_access_type function

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Instead of getting the kernel commandline argument as function parameter
we just take internally in the function.
This commit is contained in:
Liav A 2021-10-22 19:50:28 +03:00 • committed by Andreas Kling
parent 79522db5d0
commit ca32ee5714
1 changed files with 3 additions and 4 deletions
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7
Kernel/Bus/PCI/Initializer.cpp
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@ -19,8 +19,9 @@ namespace PCI {
static bool test_pci_io(); static bool test_pci_io();
UNMAP_AFTER_INIT static PCIAccessLevel detect_optimal_access_type(PCIAccessLevel boot_determined) UNMAP_AFTER_INIT static PCIAccessLevel detect_optimal_access_type()
{ {
auto boot_determined = kernel_command_line().pci_access_level();
if (!ACPI::is_enabled() || !ACPI::Parser::the()->find_table("MCFG").has_value()) if (!ACPI::is_enabled() || !ACPI::Parser::the()->find_table("MCFG").has_value())
return PCIAccessLevel::IOAddressing; return PCIAccessLevel::IOAddressing;
@ -35,9 +36,7 @@ UNMAP_AFTER_INIT static PCIAccessLevel detect_optimal_access_type(PCIAccessLevel
UNMAP_AFTER_INIT void initialize() UNMAP_AFTER_INIT void initialize()
{ {
auto boot_determined = kernel_command_line().pci_access_level(); switch (detect_optimal_access_type()) {
switch (detect_optimal_access_type(boot_determined)) {
case PCIAccessLevel::MemoryAddressing: { case PCIAccessLevel::MemoryAddressing: {
auto mcfg = ACPI::Parser::the()->find_table("MCFG"); auto mcfg = ACPI::Parser::the()->find_table("MCFG");
VERIFY(mcfg.has_value()); VERIFY(mcfg.has_value());