Merge branches 'acpi_pad-bugzilla-42981', 'apei-bugzilla-43282', 'video-bugzilla...

bug fixes

diff --git a/arch/x86/kernel/acpi/boot.c b/arch/x86/kernel/acpi/boot.c
index 8afb693198155c705c3e4bb42e1ba12a69427159..b2297e58c6ed27c418fe9d5e9f00bf1e0923c833 100644 (file)
--- a/arch/x86/kernel/acpi/boot.c
+++ b/arch/x86/kernel/acpi/boot.c
@@ -422,12 +422,14 @@ acpi_parse_int_src_ovr(struct acpi_subtable_header * header,
                return 0;
        }
 
-       if (intsrc->source_irq == 0 && intsrc->global_irq == 2) {
+       if (intsrc->source_irq == 0) {
                if (acpi_skip_timer_override) {
-                       printk(PREFIX "BIOS IRQ0 pin2 override ignored.\n");
+                       printk(PREFIX "BIOS IRQ0 override ignored.\n");
                        return 0;
                }
-               if (acpi_fix_pin2_polarity && (intsrc->inti_flags & ACPI_MADT_POLARITY_MASK)) {
+
+               if ((intsrc->global_irq == 2) && acpi_fix_pin2_polarity
+                       && (intsrc->inti_flags & ACPI_MADT_POLARITY_MASK)) {
                        intsrc->inti_flags &= ~ACPI_MADT_POLARITY_MASK;
                        printk(PREFIX "BIOS IRQ0 pin2 override: forcing polarity to high active.\n");
                }
@@ -1334,17 +1336,12 @@ static int __init dmi_disable_acpi(const struct dmi_system_id *d)
 }
 
 /*
- * Force ignoring BIOS IRQ0 pin2 override
+ * Force ignoring BIOS IRQ0 override
  */
 static int __init dmi_ignore_irq0_timer_override(const struct dmi_system_id *d)
 {
-       /*
-        * The ati_ixp4x0_rev() early PCI quirk should have set
-        * the acpi_skip_timer_override flag already:
-        */
        if (!acpi_skip_timer_override) {
-               WARN(1, KERN_ERR "ati_ixp4x0 quirk not complete.\n");
-               pr_notice("%s detected: Ignoring BIOS IRQ0 pin2 override\n",
+               pr_notice("%s detected: Ignoring BIOS IRQ0 override\n",
                        d->ident);
                acpi_skip_timer_override = 1;
        }
@@ -1438,7 +1435,7 @@ static struct dmi_system_id __initdata acpi_dmi_table_late[] = {
         * is enabled.  This input is incorrectly designated the
         * ISA IRQ 0 via an interrupt source override even though
         * it is wired to the output of the master 8259A and INTIN0
-        * is not connected at all.  Force ignoring BIOS IRQ0 pin2
+        * is not connected at all.  Force ignoring BIOS IRQ0
         * override in that cases.
         */
        {
@@ -1473,6 +1470,14 @@ static struct dmi_system_id __initdata acpi_dmi_table_late[] = {
                     DMI_MATCH(DMI_PRODUCT_NAME, "HP Compaq 6715b"),
                     },
         },
+       {
+        .callback = dmi_ignore_irq0_timer_override,
+        .ident = "FUJITSU SIEMENS",
+        .matches = {
+                    DMI_MATCH(DMI_SYS_VENDOR, "FUJITSU SIEMENS"),
+                    DMI_MATCH(DMI_PRODUCT_NAME, "AMILO PRO V2030"),
+                    },
+        },
        {}
 };
 

diff --git a/arch/x86/kernel/reboot.c b/arch/x86/kernel/reboot.c
index 25b48edb847c8203a731b308d2b0eef7e60cf3f3..5de92f1abd76fc4d055a42af0c690284c65b7f2d 100644 (file)
--- a/arch/x86/kernel/reboot.c
+++ b/arch/x86/kernel/reboot.c
@@ -451,6 +451,14 @@ static struct dmi_system_id __initdata reboot_dmi_table[] = {
                        DMI_MATCH(DMI_PRODUCT_NAME, "OptiPlex 990"),
                },
        },
+       {       /* Handle problems with rebooting on the Precision M6600. */
+               .callback = set_pci_reboot,
+               .ident = "Dell OptiPlex 990",
+               .matches = {
+                       DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc."),
+                       DMI_MATCH(DMI_PRODUCT_NAME, "Precision M6600"),
+               },
+       },
        { }
 };
 

diff --git a/drivers/acpi/acpi_pad.c b/drivers/acpi/acpi_pad.c
index a43fa1a57d57f45616c9d70c362df15d3b71c8e5..1502c50273b5431f95e04f9be7de11356d1a8f98 100644 (file)
--- a/drivers/acpi/acpi_pad.c
+++ b/drivers/acpi/acpi_pad.c
@@ -36,6 +36,7 @@
 #define ACPI_PROCESSOR_AGGREGATOR_DEVICE_NAME "Processor Aggregator"
 #define ACPI_PROCESSOR_AGGREGATOR_NOTIFY 0x80
 static DEFINE_MUTEX(isolated_cpus_lock);
+static DEFINE_MUTEX(round_robin_lock);
 
 static unsigned long power_saving_mwait_eax;
 
@@ -107,7 +108,7 @@ static void round_robin_cpu(unsigned int tsk_index)
        if (!alloc_cpumask_var(&tmp, GFP_KERNEL))
                return;
 
-       mutex_lock(&isolated_cpus_lock);
+       mutex_lock(&round_robin_lock);
        cpumask_clear(tmp);
        for_each_cpu(cpu, pad_busy_cpus)
                cpumask_or(tmp, tmp, topology_thread_cpumask(cpu));
@@ -116,7 +117,7 @@ static void round_robin_cpu(unsigned int tsk_index)
        if (cpumask_empty(tmp))
                cpumask_andnot(tmp, cpu_online_mask, pad_busy_cpus);
        if (cpumask_empty(tmp)) {
-               mutex_unlock(&isolated_cpus_lock);
+               mutex_unlock(&round_robin_lock);
                return;
        }
        for_each_cpu(cpu, tmp) {
@@ -131,7 +132,7 @@ static void round_robin_cpu(unsigned int tsk_index)
        tsk_in_cpu[tsk_index] = preferred_cpu;
        cpumask_set_cpu(preferred_cpu, pad_busy_cpus);
        cpu_weight[preferred_cpu]++;
-       mutex_unlock(&isolated_cpus_lock);
+       mutex_unlock(&round_robin_lock);
 
        set_cpus_allowed_ptr(current, cpumask_of(preferred_cpu));
 }

diff --git a/drivers/acpi/sysfs.c b/drivers/acpi/sysfs.c
index 9f66181c814e78e2fc40c88ba743b5aa062e50e9..240a24400976929c663b9b3f8ce8bafa36435d5f 100644 (file)
--- a/drivers/acpi/sysfs.c
+++ b/drivers/acpi/sysfs.c
@@ -173,7 +173,7 @@ static int param_set_trace_state(const char *val, struct kernel_param *kp)
 {
        int result = 0;
 
-       if (!strncmp(val, "enable", strlen("enable") - 1)) {
+       if (!strncmp(val, "enable", strlen("enable"))) {
                result = acpi_debug_trace(trace_method_name, trace_debug_level,
                                          trace_debug_layer, 0);
                if (result)
@@ -181,7 +181,7 @@ static int param_set_trace_state(const char *val, struct kernel_param *kp)
                goto exit;
        }
 
-       if (!strncmp(val, "disable", strlen("disable") - 1)) {
+       if (!strncmp(val, "disable", strlen("disable"))) {
                int name = 0;
                result = acpi_debug_trace((char *)&name, trace_debug_level,
                                          trace_debug_layer, 0);

diff --git a/drivers/acpi/video.c b/drivers/acpi/video.c
index a576575617d733f88960b849869fec4eb413f75d..1e0a9e17c31d805a201e8dbcbf7933efe8eec111 100644 (file)
--- a/drivers/acpi/video.c
+++ b/drivers/acpi/video.c
@@ -558,6 +558,8 @@ acpi_video_bus_DOS(struct acpi_video_bus *video, int bios_flag, int lcd_flag)
        union acpi_object arg0 = { ACPI_TYPE_INTEGER };
        struct acpi_object_list args = { 1, &arg0 };
 
+       if (!video->cap._DOS)
+               return 0;
 
        if (bios_flag < 0 || bios_flag > 3 || lcd_flag < 0 || lcd_flag > 1)
                return -EINVAL;