Merge branch 'devel' into next
[pandora-kernel.git] / drivers / ata / libata-sff.c
index 215d186..304fdc6 100644 (file)
@@ -345,8 +345,8 @@ void ata_sff_dma_pause(struct ata_port *ap)
 /**
  *     ata_sff_busy_sleep - sleep until BSY clears, or timeout
  *     @ap: port containing status register to be polled
- *     @tmout_pat: impatience timeout
- *     @tmout: overall timeout
+ *     @tmout_pat: impatience timeout in msecs
+ *     @tmout: overall timeout in msecs
  *
  *     Sleep until ATA Status register bit BSY clears,
  *     or a timeout occurs.
@@ -365,7 +365,7 @@ int ata_sff_busy_sleep(struct ata_port *ap,
 
        status = ata_sff_busy_wait(ap, ATA_BUSY, 300);
        timer_start = jiffies;
-       timeout = timer_start + tmout_pat;
+       timeout = ata_deadline(timer_start, tmout_pat);
        while (status != 0xff && (status & ATA_BUSY) &&
               time_before(jiffies, timeout)) {
                msleep(50);
@@ -377,7 +377,7 @@ int ata_sff_busy_sleep(struct ata_port *ap,
                                "port is slow to respond, please be patient "
                                "(Status 0x%x)\n", status);
 
-       timeout = timer_start + tmout;
+       timeout = ata_deadline(timer_start, tmout);
        while (status != 0xff && (status & ATA_BUSY) &&
               time_before(jiffies, timeout)) {
                msleep(50);
@@ -390,7 +390,7 @@ int ata_sff_busy_sleep(struct ata_port *ap,
        if (status & ATA_BUSY) {
                ata_port_printk(ap, KERN_ERR, "port failed to respond "
                                "(%lu secs, Status 0x%x)\n",
-                               tmout / HZ, status);
+                               DIV_ROUND_UP(tmout, 1000), status);
                return -EBUSY;
        }
 
@@ -1094,6 +1094,7 @@ static void ata_hsm_qc_complete(struct ata_queued_cmd *qc, int in_wq)
 int ata_sff_hsm_move(struct ata_port *ap, struct ata_queued_cmd *qc,
                     u8 status, int in_wq)
 {
+       struct ata_eh_info *ehi = &ap->link.eh_info;
        unsigned long flags = 0;
        int poll_next;
 
@@ -1125,9 +1126,12 @@ fsm_start:
                        if (likely(status & (ATA_ERR | ATA_DF)))
                                /* device stops HSM for abort/error */
                                qc->err_mask |= AC_ERR_DEV;
-                       else
+                       else {
                                /* HSM violation. Let EH handle this */
+                               ata_ehi_push_desc(ehi,
+                                       "ST_FIRST: !(DRQ|ERR|DF)");
                                qc->err_mask |= AC_ERR_HSM;
+                       }
 
                        ap->hsm_task_state = HSM_ST_ERR;
                        goto fsm_start;
@@ -1146,9 +1150,9 @@ fsm_start:
                         * the CDB.
                         */
                        if (!(qc->dev->horkage & ATA_HORKAGE_STUCK_ERR)) {
-                               ata_port_printk(ap, KERN_WARNING,
-                                               "DRQ=1 with device error, "
-                                               "dev_stat 0x%X\n", status);
+                               ata_ehi_push_desc(ehi, "ST_FIRST: "
+                                       "DRQ=1 with device error, "
+                                       "dev_stat 0x%X", status);
                                qc->err_mask |= AC_ERR_HSM;
                                ap->hsm_task_state = HSM_ST_ERR;
                                goto fsm_start;
@@ -1205,9 +1209,9 @@ fsm_start:
                         * let the EH abort the command or reset the device.
                         */
                        if (unlikely(status & (ATA_ERR | ATA_DF))) {
-                               ata_port_printk(ap, KERN_WARNING, "DRQ=1 with "
-                                               "device error, dev_stat 0x%X\n",
-                                               status);
+                               ata_ehi_push_desc(ehi, "ST-ATAPI: "
+                                       "DRQ=1 with device error, "
+                                       "dev_stat 0x%X", status);
                                qc->err_mask |= AC_ERR_HSM;
                                ap->hsm_task_state = HSM_ST_ERR;
                                goto fsm_start;
@@ -1226,13 +1230,17 @@ fsm_start:
                                if (likely(status & (ATA_ERR | ATA_DF)))
                                        /* device stops HSM for abort/error */
                                        qc->err_mask |= AC_ERR_DEV;
-                               else
+                               else {
                                        /* HSM violation. Let EH handle this.
                                         * Phantom devices also trigger this
                                         * condition.  Mark hint.
                                         */
+                                       ata_ehi_push_desc(ehi, "ST-ATA: "
+                                               "DRQ=1 with device error, "
+                                               "dev_stat 0x%X", status);
                                        qc->err_mask |= AC_ERR_HSM |
                                                        AC_ERR_NODEV_HINT;
+                               }
 
                                ap->hsm_task_state = HSM_ST_ERR;
                                goto fsm_start;
@@ -1257,8 +1265,12 @@ fsm_start:
                                        status = ata_wait_idle(ap);
                                }
 
-                               if (status & (ATA_BUSY | ATA_DRQ))
+                               if (status & (ATA_BUSY | ATA_DRQ)) {
+                                       ata_ehi_push_desc(ehi, "ST-ATA: "
+                                               "BUSY|DRQ persists on ERR|DF, "
+                                               "dev_stat 0x%X", status);
                                        qc->err_mask |= AC_ERR_HSM;
+                               }
 
                                /* ata_pio_sectors() might change the
                                 * state to HSM_ST_LAST. so, the state
@@ -1876,7 +1888,7 @@ int ata_sff_wait_after_reset(struct ata_link *link, unsigned int devmask,
        unsigned int dev1 = devmask & (1 << 1);
        int rc, ret = 0;
 
-       msleep(ATA_WAIT_AFTER_RESET_MSECS);
+       msleep(ATA_WAIT_AFTER_RESET);
 
        /* always check readiness of the master device */
        rc = ata_sff_wait_ready(link, deadline);
@@ -2359,7 +2371,8 @@ void ata_bus_reset(struct ata_port *ap)
 
        /* issue bus reset */
        if (ap->flags & ATA_FLAG_SRST) {
-               rc = ata_bus_softreset(ap, devmask, jiffies + 40 * HZ);
+               rc = ata_bus_softreset(ap, devmask,
+                                      ata_deadline(jiffies, 40000));
                if (rc && rc != -ENODEV)
                        goto err_out;
        }