From: Bob Moore <robert.moore@xxxxxxxxx> ACPICA commit 857c510d70e18eecc275dd3087807a18bae8aa51 Allow for static configuration of this parameter. It is used to abort out of infinite loops caused by non-response from hardware. Link: https://github.com/acpica/acpica/commit/857c510d Signed-off-by: Bob Moore <robert.moore@xxxxxxxxx> Signed-off-by: Lv Zheng <lv.zheng@xxxxxxxxx> --- drivers/acpi/acpica/utinit.c | 2 +- include/acpi/acconfig.h | 4 ++++ 2 files changed, 5 insertions(+), 1 deletion(-) diff --git a/drivers/acpi/acpica/utinit.c b/drivers/acpi/acpica/utinit.c index f91f724..1711fdf 100644 --- a/drivers/acpi/acpica/utinit.c +++ b/drivers/acpi/acpica/utinit.c @@ -206,7 +206,7 @@ acpi_status acpi_ut_init_globals(void) acpi_gbl_next_owner_id_offset = 0; acpi_gbl_debugger_configuration = DEBUGGER_THREADING; acpi_gbl_osi_mutex = NULL; - acpi_gbl_max_loop_iterations = 0xFFFF; + acpi_gbl_max_loop_iterations = ACPI_MAX_LOOP_COUNT; /* Hardware oriented */ diff --git a/include/acpi/acconfig.h b/include/acpi/acconfig.h index fe2e3ac..12c2882 100644 --- a/include/acpi/acconfig.h +++ b/include/acpi/acconfig.h @@ -144,6 +144,10 @@ #define ACPI_ADDRESS_RANGE_MAX 2 +/* Maximum number of While() loops before abort */ + +#define ACPI_MAX_LOOP_COUNT 0xFFFF + /****************************************************************************** * * ACPI Specification constants (Do not change unless the specification changes) -- 1.7.10 -- To unsubscribe from this list: send the line "unsubscribe linux-acpi" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
