1 files changed, 25 insertions, 0 deletions

diff --git a/drivers/ata/libata-eh.c b/drivers/ata/libata-eh.c
index 0d0a2c0ab9e7..ec32082356cb 100644
--- a/drivers/ata/libata-eh.c
+++ b/drivers/ata/libata-eh.c
@@ -2814,6 +2814,7 @@ void ata_eh_finish(struct ata_port *ap)
 /**
  *      ata_do_eh - do standard error handling
  *      @ap: host port to handle error for
+ *
  *      @prereset: prereset method (can be NULL)
  *      @softreset: softreset method (can be NULL)
  *      @hardreset: hardreset method (can be NULL)
@@ -2844,6 +2845,30 @@ void ata_do_eh(struct ata_port *ap, ata_prereset_fn_t prereset,
         ata_eh_finish(ap);
 }
 
+/**
+ *      ata_std_error_handler - standard error handler
+ *      @ap: host port to handle error for
+ *
+ *      Standard error handler
+ *
+ *      LOCKING:
+ *      Kernel thread context (may sleep).
+ */
+void ata_std_error_handler(struct ata_port *ap)
+{
+        struct ata_port_operations *ops = ap->ops;
+        ata_reset_fn_t hardreset = ops->hardreset;
+
+        /* sata_std_hardreset is inherited to all drivers from
+         * ata_base_port_ops.  Ignore it if SCR access is not
+         * available.
+         */
+        if (hardreset == sata_std_hardreset && !sata_scr_valid(&ap->link))
+                hardreset = NULL;
+
+        ata_do_eh(ap, ops->prereset, ops->softreset, hardreset, ops->postreset);
+}
+
 #ifdef CONFIG_PM
 /**
  *      ata_eh_handle_port_suspend - perform port suspend operation