diff options
| -rw-r--r-- | drivers/acpi/acpi_pad.c | 2 | ||||
| -rw-r--r-- | drivers/acpi/cppc_acpi.c | 2 | ||||
| -rw-r--r-- | drivers/acpi/ec.c | 17 | ||||
| -rw-r--r-- | drivers/acpi/resource.c | 7 |
4 files changed, 26 insertions, 2 deletions
diff --git a/drivers/acpi/acpi_pad.c b/drivers/acpi/acpi_pad.c index 6f8bbe1247a5..c9a0bcaba2e4 100644 --- a/drivers/acpi/acpi_pad.c +++ b/drivers/acpi/acpi_pad.c @@ -33,7 +33,7 @@ static DEFINE_MUTEX(isolated_cpus_lock); static DEFINE_MUTEX(round_robin_lock); -static unsigned long power_saving_mwait_eax; +static unsigned int power_saving_mwait_eax; static unsigned char tsc_detected_unstable; static unsigned char tsc_marked_unstable; diff --git a/drivers/acpi/cppc_acpi.c b/drivers/acpi/cppc_acpi.c index a9ae2fd62863..6b649031808f 100644 --- a/drivers/acpi/cppc_acpi.c +++ b/drivers/acpi/cppc_acpi.c @@ -476,7 +476,7 @@ bool cppc_allow_fast_switch(void) struct cpc_desc *cpc_ptr; int cpu; - for_each_possible_cpu(cpu) { + for_each_present_cpu(cpu) { cpc_ptr = per_cpu(cpc_desc_ptr, cpu); desired_reg = &cpc_ptr->cpc_regs[DESIRED_PERF]; if (!CPC_IN_SYSTEM_MEMORY(desired_reg) && diff --git a/drivers/acpi/ec.c b/drivers/acpi/ec.c index 6f4203716b53..75c7db8b156a 100644 --- a/drivers/acpi/ec.c +++ b/drivers/acpi/ec.c @@ -23,8 +23,10 @@ #include <linux/delay.h> #include <linux/interrupt.h> #include <linux/list.h> +#include <linux/printk.h> #include <linux/spinlock.h> #include <linux/slab.h> +#include <linux/string.h> #include <linux/suspend.h> #include <linux/acpi.h> #include <linux/dmi.h> @@ -2031,6 +2033,21 @@ void __init acpi_ec_ecdt_probe(void) goto out; } + if (!strstarts(ecdt_ptr->id, "\\")) { + /* + * The ECDT table on some MSI notebooks contains invalid data, together + * with an empty ID string (""). + * + * Section 5.2.15 of the ACPI specification requires the ID string to be + * a "fully qualified reference to the (...) embedded controller device", + * so this string always has to start with a backslash. + * + * By verifying this we can avoid such faulty ECDT tables in a safe way. + */ + pr_err(FW_BUG "Ignoring ECDT due to invalid ID string \"%s\"\n", ecdt_ptr->id); + goto out; + } + ec = acpi_ec_alloc(); if (!ec) goto out; diff --git a/drivers/acpi/resource.c b/drivers/acpi/resource.c index 7d59c6c9185f..b1ab192d7a08 100644 --- a/drivers/acpi/resource.c +++ b/drivers/acpi/resource.c @@ -667,6 +667,13 @@ static const struct dmi_system_id irq1_edge_low_force_override[] = { }, }, { + /* MACHENIKE L16P/L16P */ + .matches = { + DMI_MATCH(DMI_SYS_VENDOR, "MACHENIKE"), + DMI_MATCH(DMI_BOARD_NAME, "L16P"), + }, + }, + { /* * TongFang GM5HG0A in case of the SKIKK Vanaheim relabel the * board-name is changed, so check OEM strings instead. Note |