From: Jan Kiszka <jan.kis...@siemens.com> Linux won't use a disabled WDAT watchdog either.
Signed-off-by: Jan Kiszka <jan.kis...@siemens.com> --- drivers/watchdog/wdat.c | 5 +++++ 1 file changed, 5 insertions(+) diff --git a/drivers/watchdog/wdat.c b/drivers/watchdog/wdat.c index f5cb5e4..0875a50 100644 --- a/drivers/watchdog/wdat.c +++ b/drivers/watchdog/wdat.c @@ -33,6 +33,8 @@ #define ACPI_SIG_XSDT (CHAR8 *)"XSDT" #define ACPI_SIG_WDAT (CHAR8 *)"WDAT" +#define ACPI_WDAT_ENABLED 1 + #pragma pack(1) /* -------------------------------------------------------------------------- @@ -437,6 +439,9 @@ static EFI_STATUS init(EFI_PCI_IO __attribute__((unused)) * pci_io, if (EFI_ERROR(status)) { return status; } + if (!(wdat_table->flags & ACPI_WDAT_ENABLED)) { + return EFI_UNSUPPORTED; + } INFO(L"Detected WDAT watchdog\n"); /* Check if the boot was caused by the watchdog */ -- 2.43.0 -- You received this message because you are subscribed to the Google Groups "EFI Boot Guard" group. To unsubscribe from this group and stop receiving emails from it, send an email to efibootguard-dev+unsubscr...@googlegroups.com. To view this discussion on the web visit https://groups.google.com/d/msgid/efibootguard-dev/ee2e4ee8-1a72-4507-9834-fb2ce8c0a280%40siemens.com.