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path: root/drivers/acpi/apei/erst.c
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Diffstat (limited to 'drivers/acpi/apei/erst.c')
-rw-r--r--drivers/acpi/apei/erst.c34
1 files changed, 17 insertions, 17 deletions
diff --git a/drivers/acpi/apei/erst.c b/drivers/acpi/apei/erst.c
index 1211c03149e8..5850d320404c 100644
--- a/drivers/acpi/apei/erst.c
+++ b/drivers/acpi/apei/erst.c
@@ -86,7 +86,7 @@ static struct erst_erange {
86 * It is used to provide exclusive accessing for ERST Error Log 86 * It is used to provide exclusive accessing for ERST Error Log
87 * Address Range too. 87 * Address Range too.
88 */ 88 */
89static DEFINE_SPINLOCK(erst_lock); 89static DEFINE_RAW_SPINLOCK(erst_lock);
90 90
91static inline int erst_errno(int command_status) 91static inline int erst_errno(int command_status)
92{ 92{
@@ -421,9 +421,9 @@ ssize_t erst_get_record_count(void)
421 if (erst_disable) 421 if (erst_disable)
422 return -ENODEV; 422 return -ENODEV;
423 423
424 spin_lock_irqsave(&erst_lock, flags); 424 raw_spin_lock_irqsave(&erst_lock, flags);
425 count = __erst_get_record_count(); 425 count = __erst_get_record_count();
426 spin_unlock_irqrestore(&erst_lock, flags); 426 raw_spin_unlock_irqrestore(&erst_lock, flags);
427 427
428 return count; 428 return count;
429} 429}
@@ -456,9 +456,9 @@ int erst_get_next_record_id(u64 *record_id)
456 if (erst_disable) 456 if (erst_disable)
457 return -ENODEV; 457 return -ENODEV;
458 458
459 spin_lock_irqsave(&erst_lock, flags); 459 raw_spin_lock_irqsave(&erst_lock, flags);
460 rc = __erst_get_next_record_id(record_id); 460 rc = __erst_get_next_record_id(record_id);
461 spin_unlock_irqrestore(&erst_lock, flags); 461 raw_spin_unlock_irqrestore(&erst_lock, flags);
462 462
463 return rc; 463 return rc;
464} 464}
@@ -624,17 +624,17 @@ int erst_write(const struct cper_record_header *record)
624 return -EINVAL; 624 return -EINVAL;
625 625
626 if (erst_erange.attr & ERST_RANGE_NVRAM) { 626 if (erst_erange.attr & ERST_RANGE_NVRAM) {
627 if (!spin_trylock_irqsave(&erst_lock, flags)) 627 if (!raw_spin_trylock_irqsave(&erst_lock, flags))
628 return -EBUSY; 628 return -EBUSY;
629 rc = __erst_write_to_nvram(record); 629 rc = __erst_write_to_nvram(record);
630 spin_unlock_irqrestore(&erst_lock, flags); 630 raw_spin_unlock_irqrestore(&erst_lock, flags);
631 return rc; 631 return rc;
632 } 632 }
633 633
634 if (record->record_length > erst_erange.size) 634 if (record->record_length > erst_erange.size)
635 return -EINVAL; 635 return -EINVAL;
636 636
637 if (!spin_trylock_irqsave(&erst_lock, flags)) 637 if (!raw_spin_trylock_irqsave(&erst_lock, flags))
638 return -EBUSY; 638 return -EBUSY;
639 memcpy(erst_erange.vaddr, record, record->record_length); 639 memcpy(erst_erange.vaddr, record, record->record_length);
640 rcd_erange = erst_erange.vaddr; 640 rcd_erange = erst_erange.vaddr;
@@ -642,7 +642,7 @@ int erst_write(const struct cper_record_header *record)
642 memcpy(&rcd_erange->persistence_information, "ER", 2); 642 memcpy(&rcd_erange->persistence_information, "ER", 2);
643 643
644 rc = __erst_write_to_storage(0); 644 rc = __erst_write_to_storage(0);
645 spin_unlock_irqrestore(&erst_lock, flags); 645 raw_spin_unlock_irqrestore(&erst_lock, flags);
646 646
647 return rc; 647 return rc;
648} 648}
@@ -696,9 +696,9 @@ ssize_t erst_read(u64 record_id, struct cper_record_header *record,
696 if (erst_disable) 696 if (erst_disable)
697 return -ENODEV; 697 return -ENODEV;
698 698
699 spin_lock_irqsave(&erst_lock, flags); 699 raw_spin_lock_irqsave(&erst_lock, flags);
700 len = __erst_read(record_id, record, buflen); 700 len = __erst_read(record_id, record, buflen);
701 spin_unlock_irqrestore(&erst_lock, flags); 701 raw_spin_unlock_irqrestore(&erst_lock, flags);
702 return len; 702 return len;
703} 703}
704EXPORT_SYMBOL_GPL(erst_read); 704EXPORT_SYMBOL_GPL(erst_read);
@@ -719,20 +719,20 @@ ssize_t erst_read_next(struct cper_record_header *record, size_t buflen)
719 if (erst_disable) 719 if (erst_disable)
720 return -ENODEV; 720 return -ENODEV;
721 721
722 spin_lock_irqsave(&erst_lock, flags); 722 raw_spin_lock_irqsave(&erst_lock, flags);
723 rc = __erst_get_next_record_id(&record_id); 723 rc = __erst_get_next_record_id(&record_id);
724 if (rc) { 724 if (rc) {
725 spin_unlock_irqrestore(&erst_lock, flags); 725 raw_spin_unlock_irqrestore(&erst_lock, flags);
726 return rc; 726 return rc;
727 } 727 }
728 /* no more record */ 728 /* no more record */
729 if (record_id == APEI_ERST_INVALID_RECORD_ID) { 729 if (record_id == APEI_ERST_INVALID_RECORD_ID) {
730 spin_unlock_irqrestore(&erst_lock, flags); 730 raw_spin_unlock_irqrestore(&erst_lock, flags);
731 return 0; 731 return 0;
732 } 732 }
733 733
734 len = __erst_read(record_id, record, buflen); 734 len = __erst_read(record_id, record, buflen);
735 spin_unlock_irqrestore(&erst_lock, flags); 735 raw_spin_unlock_irqrestore(&erst_lock, flags);
736 736
737 return len; 737 return len;
738} 738}
@@ -746,12 +746,12 @@ int erst_clear(u64 record_id)
746 if (erst_disable) 746 if (erst_disable)
747 return -ENODEV; 747 return -ENODEV;
748 748
749 spin_lock_irqsave(&erst_lock, flags); 749 raw_spin_lock_irqsave(&erst_lock, flags);
750 if (erst_erange.attr & ERST_RANGE_NVRAM) 750 if (erst_erange.attr & ERST_RANGE_NVRAM)
751 rc = __erst_clear_from_nvram(record_id); 751 rc = __erst_clear_from_nvram(record_id);
752 else 752 else
753 rc = __erst_clear_from_storage(record_id); 753 rc = __erst_clear_from_storage(record_id);
754 spin_unlock_irqrestore(&erst_lock, flags); 754 raw_spin_unlock_irqrestore(&erst_lock, flags);
755 755
756 return rc; 756 return rc;
757} 757}