MSR_OS_MAILBOX_BUSY_BIT 45 drivers/platform/x86/intel_speed_select_if/isst_if_mbox_msr.c if (data & BIT_ULL(MSR_OS_MAILBOX_BUSY_BIT)) { MSR_OS_MAILBOX_BUSY_BIT 60 drivers/platform/x86/intel_speed_select_if/isst_if_mbox_msr.c data = BIT_ULL(MSR_OS_MAILBOX_BUSY_BIT) | MSR_OS_MAILBOX_BUSY_BIT 70 drivers/platform/x86/intel_speed_select_if/isst_if_mbox_msr.c if (data & BIT_ULL(MSR_OS_MAILBOX_BUSY_BIT)) {