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, 6 deletions

diff --git a/drivers/ata/sata_inic162x.c b/drivers/ata/sata_inic162x.c
index f2b1bea934bc..95caba0f910e 100644
--- a/drivers/ata/sata_inic162x.c
+++ b/drivers/ata/sata_inic162x.c
@@ -417,12 +417,13 @@ static void inic_thaw(struct ata_port *ap)
  * SRST and SControl hardreset don't give valid signature on this
  * controller.  Only controller specific hardreset mechanism works.
  */
-static int inic_hardreset(struct ata_port *ap, unsigned int *class,
+static int inic_hardreset(struct ata_link *link, unsigned int *class,
                           unsigned long deadline)
 {
+        struct ata_port *ap = link->ap;
         void __iomem *port_base = inic_port_base(ap);
         void __iomem *idma_ctl = port_base + PORT_IDMA_CTL;
-        const unsigned long *timing = sata_ehc_deb_timing(&ap->link.eh_context);
+        const unsigned long *timing = sata_ehc_deb_timing(&link->eh_context);
         u16 val;
         int rc;
 
@@ -435,15 +436,15 @@ static int inic_hardreset(struct ata_port *ap, unsigned int *class,
         msleep(1);
         writew(val & ~IDMA_CTL_RST_ATA, idma_ctl);
 
-        rc = sata_link_resume(&ap->link, timing, deadline);
+        rc = sata_link_resume(link, timing, deadline);
         if (rc) {
-                ata_port_printk(ap, KERN_WARNING, "failed to resume "
+                ata_link_printk(link, KERN_WARNING, "failed to resume "
                                 "link after reset (errno=%d)\n", rc);
                 return rc;
         }
 
         *class = ATA_DEV_NONE;
-        if (ata_link_online(&ap->link)) {
+        if (ata_link_online(link)) {
                 struct ata_taskfile tf;
 
                 /* wait a while before checking status */
@@ -452,7 +453,7 @@ static int inic_hardreset(struct ata_port *ap, unsigned int *class,
                 rc = ata_wait_ready(ap, deadline);
                 /* link occupied, -ENODEV too is an error */
                 if (rc) {
-                        ata_port_printk(ap, KERN_WARNING, "device not ready "
+                        ata_link_printk(link, KERN_WARNING, "device not ready "
                                         "after hardreset (errno=%d)\n", rc);
                         return rc;
                 }