From: Joerg Roedel <jroedel@xxxxxxx> These masks are only used internally in the PCI Host Bridge _OSC negotiation code, which already makes sure nothing outside of these masks is set. Remove the masks and simplify the code. Suggested-by: Bjorn Helgaas <helgass@xxxxxxxxxx> Signed-off-by: Joerg Roedel <jroedel@xxxxxxx> --- drivers/acpi/pci_root.c | 4 +--- include/linux/acpi.h | 2 -- 2 files changed, 1 insertion(+), 5 deletions(-) diff --git a/drivers/acpi/pci_root.c b/drivers/acpi/pci_root.c index c703832b7f7f..0d147c682929 100644 --- a/drivers/acpi/pci_root.c +++ b/drivers/acpi/pci_root.c @@ -199,9 +199,7 @@ static acpi_status acpi_pci_query_osc(struct acpi_pci_root *root, acpi_status status; u32 result, capbuf[3]; - support &= OSC_PCI_SUPPORT_MASKS; support |= root->osc_support_set; - *control &= OSC_PCI_CONTROL_MASKS; capbuf[OSC_QUERY_DWORD] = OSC_QUERY_ENABLE; capbuf[OSC_SUPPORT_DWORD] = support; @@ -347,7 +345,7 @@ static acpi_status acpi_pci_osc_control_set(acpi_handle handle, u32 if (!mask) return AE_BAD_PARAMETER; - ctrl = *mask & OSC_PCI_CONTROL_MASKS; + ctrl = *mask; if ((ctrl & req) != req) return AE_TYPE; diff --git a/include/linux/acpi.h b/include/linux/acpi.h index 72e4f7fd268c..c6dba5f21384 100644 --- a/include/linux/acpi.h +++ b/include/linux/acpi.h @@ -577,7 +577,6 @@ extern u32 osc_sb_native_usb4_control; #define OSC_PCI_MSI_SUPPORT 0x00000010 #define OSC_PCI_EDR_SUPPORT 0x00000080 #define OSC_PCI_HPX_TYPE_3_SUPPORT 0x00000100 -#define OSC_PCI_SUPPORT_MASKS 0x0000019f /* PCI Host Bridge _OSC: Capabilities DWORD 3: Control Field */ #define OSC_PCI_EXPRESS_NATIVE_HP_CONTROL 0x00000001 @@ -587,7 +586,6 @@ extern u32 osc_sb_native_usb4_control; #define OSC_PCI_EXPRESS_CAPABILITY_CONTROL 0x00000010 #define OSC_PCI_EXPRESS_LTR_CONTROL 0x00000020 #define OSC_PCI_EXPRESS_DPC_CONTROL 0x00000080 -#define OSC_PCI_CONTROL_MASKS 0x000000bf #define ACPI_GSB_ACCESS_ATTRIB_QUICK 0x00000002 #define ACPI_GSB_ACCESS_ATTRIB_SEND_RCV 0x00000004 -- 2.31.1
