V4L/DVB (7861): mt312: Prefix functions only with mt312_, Add zl10313 to kconfig...

[linux-2.6] / drivers / ata / libata-pmp.c

diff --git a/drivers/ata/libata-pmp.c b/drivers/ata/libata-pmp.c
index 2f8a9577c26d3d2b83817ed301712fd4a1e2e67a..ff1822a7da38941b4c4cc2051f2bdd4ec80e37a2 100644 (file)
--- a/drivers/ata/libata-pmp.c
+++ b/drivers/ata/libata-pmp.c
@@ -11,6 +11,14 @@
 #include <linux/libata.h>
 #include "libata.h"
 
+const struct ata_port_operations sata_pmp_port_ops = {
+       .inherits               = &sata_port_ops,
+       .pmp_prereset           = ata_std_prereset,
+       .pmp_hardreset          = sata_std_hardreset,
+       .pmp_postreset          = ata_std_postreset,
+       .error_handler          = sata_pmp_error_handler,
+};
+
 /**
  *     sata_pmp_read - read PMP register
  *     @link: link to read PMP register for
@@ -175,41 +183,6 @@ int sata_pmp_scr_write(struct ata_link *link, int reg, u32 val)
        return 0;
 }
 
-/**
- *     sata_pmp_std_hardreset - standard hardreset method for PMP link
- *     @link: link to be reset
- *     @class: resulting class of attached device
- *     @deadline: deadline jiffies for the operation
- *
- *     Hardreset PMP port @link.  Note that this function doesn't
- *     wait for BSY clearance.  There simply isn't a generic way to
- *     wait the event.  Instead, this function return -EAGAIN thus
- *     telling libata-EH to followup with softreset.
- *
- *     LOCKING:
- *     Kernel thread context (may sleep)
- *
- *     RETURNS:
- *     0 on success, -errno otherwise.
- */
-int sata_pmp_std_hardreset(struct ata_link *link, unsigned int *class,
-                          unsigned long deadline)
-{
-       u32 tmp;
-       int rc;
-
-       DPRINTK("ENTER\n");
-
-       rc = sata_std_hardreset(link, class, deadline);
-
-       /* if SCR isn't accessible, we need to reset the PMP */
-       if (rc && rc != -EAGAIN && sata_scr_read(link, SCR_STATUS, &tmp))
-               rc = -ERESTART;
-
-       DPRINTK("EXIT, rc=%d\n", rc);
-       return rc;
-}
-
 /**
  *     sata_pmp_read_gscr - read GSCR block of SATA PMP
  *     @dev: PMP device
@@ -438,7 +411,7 @@ int sata_pmp_attach(struct ata_device *dev)
        int rc;
 
        /* is it hanging off the right place? */
-       if (!(ap->flags & ATA_FLAG_PMP)) {
+       if (!sata_pmp_supported(ap)) {
                ata_dev_printk(dev, KERN_ERR,
                               "host does not support Port Multiplier\n");
                return -EINVAL;
@@ -903,7 +876,7 @@ static int sata_pmp_eh_recover(struct ata_port *ap)
 
  retry:
        /* PMP attached? */
-       if (!ap->nr_pmp_links) {
+       if (!sata_pmp_attached(ap)) {
                rc = ata_eh_recover(ap, ops->prereset, ops->softreset,
                                    ops->hardreset, ops->postreset, NULL);
                if (rc) {
@@ -1010,7 +983,7 @@ static int sata_pmp_eh_recover(struct ata_port *ap)
        if (ap->pflags & ATA_PFLAG_UNLOADING)
                return rc;
 
-       if (!ap->nr_pmp_links)
+       if (!sata_pmp_attached(ap))
                goto retry;
 
        if (--pmp_tries) {
@@ -1047,3 +1020,7 @@ void sata_pmp_error_handler(struct ata_port *ap)
        sata_pmp_eh_recover(ap);
        ata_eh_finish(ap);
 }
+
+EXPORT_SYMBOL_GPL(sata_pmp_port_ops);
+EXPORT_SYMBOL_GPL(sata_pmp_qc_defer_cmd_switch);
+EXPORT_SYMBOL_GPL(sata_pmp_error_handler);