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scsi: sym53c8xx_2: Use complete() instead complete_all()

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There is only one waiter for the completion, therefore there is no need
to use complete_all(). Let's make that clear by using complete() instead
of complete_all().

The usage pattern of the completion is:

waiter context                          waker context

sym_eh_handler()
  struct completion eh_done
  init_completion(eh_done)
  pci_channel_offline()
  wait_for_completion_timeout(eh_done)

                                        sym2_io_resume()
                                          complete(eh_done)

Signed-off-by: Daniel Wagner <daniel.wagner@bmw-carit.de>
Reviewed-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
This commit is contained in:
Daniel Wagner 2016-09-13 10:58:49 +02:00 committed by Martin K. Petersen
parent 3e3f5a8a0f
commit ba2f1293e9
1 changed files with 1 additions and 1 deletions
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2
drivers/scsi/sym53c8xx_2/sym_glue.c
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@ -1874,7 +1874,7 @@ static void sym2_io_resume(struct pci_dev *pdev)
spin_lock_irq(shost->host_lock);
if (sym_data->io_reset)
complete_all(sym_data->io_reset);
complete(sym_data->io_reset);
spin_unlock_irq(shost->host_lock);
}