libata-link: linkify reset

Make reset methods and related functions deal with ata_link instead of
ata_port.

* ata_do_reset()
* ata_eh_reset()
* all prereset/reset/postreset methods and related functions

This patch introduces no behavior change.

Signed-off-by: Tejun Heo <htejun@gmail.com>
Signed-off-by: Jeff Garzik <jeff@garzik.org>

1 files changed, 7 insertions, 5 deletions

diff --git a/drivers/ata/pata_artop.c b/drivers/ata/pata_artop.c
index b5352ebecef9..361f2fca7e54 100644
--- a/drivers/ata/pata_artop.c
+++ b/drivers/ata/pata_artop.c
@@ -40,8 +40,9 @@
 
 static int clock = 0;
 
-static int artop6210_pre_reset(struct ata_port *ap, unsigned long deadline)
+static int artop6210_pre_reset(struct ata_link *link, unsigned long deadline)
 {
+        struct ata_port *ap = link->ap;
         struct pci_dev *pdev = to_pci_dev(ap->host->dev);
         const struct pci_bits artop_enable_bits[] = {
                 { 0x4AU, 1U, 0x02UL, 0x02UL },  /* port 0 */
@@ -51,7 +52,7 @@ static int artop6210_pre_reset(struct ata_port *ap, unsigned long deadline)
         if (!pci_test_config_bits(pdev, &artop_enable_bits[ap->port_no]))
                 return -ENOENT;
 
-        return ata_std_prereset(ap, deadline);
+        return ata_std_prereset(link, deadline);
 }
 
 /**
@@ -71,27 +72,28 @@ static void artop6210_error_handler(struct ata_port *ap)
 
 /**
  *      artop6260_pre_reset     -       check for 40/80 pin
- *      @ap: Port
+ *      @link: link
  *      @deadline: deadline jiffies for the operation
  *
  *      The ARTOP hardware reports the cable detect bits in register 0x49.
  *      Nothing complicated needed here.
  */
 
-static int artop6260_pre_reset(struct ata_port *ap, unsigned long deadline)
+static int artop6260_pre_reset(struct ata_link *link, unsigned long deadline)
 {
         static const struct pci_bits artop_enable_bits[] = {
                 { 0x4AU, 1U, 0x02UL, 0x02UL },  /* port 0 */
                 { 0x4AU, 1U, 0x04UL, 0x04UL },  /* port 1 */
         };
 
+        struct ata_port *ap = link->ap;
         struct pci_dev *pdev = to_pci_dev(ap->host->dev);
 
         /* Odd numbered device ids are the units with enable bits (the -R cards) */
         if (pdev->device % 1 && !pci_test_config_bits(pdev, &artop_enable_bits[ap->port_no]))
                 return -ENOENT;
 
-        return ata_std_prereset(ap, deadline);
+        return ata_std_prereset(link, deadline);
 }
 
 /**