[libata] export ata_dev_pair; trim trailing whitespace

Mostly, trim trailing whitespace.

Also:
* export ata_dev_pair
* move ata_dev_classify export closer to ata_dev_pair export

6 files changed, 48 insertions, 47 deletions

diff --git a/drivers/scsi/ata_piix.c b/drivers/scsi/ata_piix.c
index a74e23d39ba9..2d5be84d8bd4 100644
--- a/drivers/scsi/ata_piix.c
+++ b/drivers/scsi/ata_piix.c
@@ -742,7 +742,7 @@ static int piix_disable_ahci(struct pci_dev *pdev)
 /**
  *      piix_check_450nx_errata -       Check for problem 450NX setup
  *      @ata_dev: the PCI device to check
- *      
+ *
  *      Check for the present of 450NX errata #19 and errata #25. If
  *      they are found return an error code so we can turn off DMA
  */
@@ -753,7 +753,7 @@ static int __devinit piix_check_450nx_errata(struct pci_dev *ata_dev)
         u16 cfg;
         u8 rev;
         int no_piix_dma = 0;
-        
+
         while((pdev = pci_get_device(PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_82454NX, pdev)) != NULL)
         {
                 /* Look for 450NX PXB. Check for problem configurations
@@ -772,7 +772,7 @@ static int __devinit piix_check_450nx_errata(struct pci_dev *ata_dev)
         if(no_piix_dma == 2)
                 dev_printk(KERN_WARNING, &ata_dev->dev, "A BIOS update may resolve this.\n");
         return no_piix_dma;
-}               
+}
 
 static void __devinit piix_init_sata_map(struct pci_dev *pdev,
                                          struct ata_port_info *pinfo)
diff --git a/drivers/scsi/libata-bmdma.c b/drivers/scsi/libata-bmdma.c
index a00a78b30836..95d81d86d8b7 100644
--- a/drivers/scsi/libata-bmdma.c
+++ b/drivers/scsi/libata-bmdma.c
@@ -941,7 +941,7 @@ err_out:
  *      @pdev: PCI device
  *
  *      Some PCI ATA devices report simplex mode but in fact can be told to
- *      enter non simplex mode. This implements the neccessary logic to 
+ *      enter non simplex mode. This implements the neccessary logic to
  *      perform the task on such devices. Calling it on other devices will
  *      have -undefined- behaviour.
  */
@@ -966,7 +966,7 @@ unsigned long ata_pci_default_filter(const struct ata_port *ap, struct ata_devic
 {
         /* Filter out DMA modes if the device has been configured by
            the BIOS as PIO only */
-           
+
         if (ap->ioaddr.bmdma_addr == 0)
                 xfer_mask &= ~(ATA_MASK_MWDMA | ATA_MASK_UDMA);
         return xfer_mask;
diff --git a/drivers/scsi/libata-core.c b/drivers/scsi/libata-core.c
index 909568f7a72a..94ad4acf8a59 100644
--- a/drivers/scsi/libata-core.c
+++ b/drivers/scsi/libata-core.c
@@ -190,7 +190,7 @@ static const u8 ata_rw_cmds[] = {
  *      ata_rwcmd_protocol - set taskfile r/w commands and protocol
  *      @qc: command to examine and configure
  *
- *      Examine the device configuration and tf->flags to calculate 
+ *      Examine the device configuration and tf->flags to calculate
  *      the proper read/write commands and protocol to use.
  *
  *      LOCKING:
@@ -203,7 +203,7 @@ int ata_rwcmd_protocol(struct ata_queued_cmd *qc)
         u8 cmd;
 
         int index, fua, lba48, write;
- 
+
         fua = (tf->flags & ATA_TFLAG_FUA) ? 4 : 0;
         lba48 = (tf->flags & ATA_TFLAG_LBA48) ? 2 : 0;
         write = (tf->flags & ATA_TFLAG_WRITE) ? 1 : 0;
@@ -1055,7 +1055,7 @@ unsigned int ata_pio_need_iordy(const struct ata_device *adev)
                 return 0;
         if (speed > 2)
                 return 1;
-                
+
         /* If we have no drive specific rule, then PIO 2 is non IORDY */
 
         if (adev->id[ATA_ID_FIELD_VALID] & 2) { /* EIDE */
@@ -1583,7 +1583,7 @@ void sata_phy_reset(struct ata_port *ap)
  *      Obtain the other device on the same cable, or if none is
  *      present NULL is returned
  */
- 
+
 struct ata_device *ata_dev_pair(struct ata_port *ap, struct ata_device *adev)
 {
         struct ata_device *pair = &ap->device[1 - adev->devno];
@@ -1620,7 +1620,7 @@ void ata_port_disable(struct ata_port *ap)
  * PIO 0-5, MWDMA 0-2 and UDMA 0-6 timings (in nanoseconds).
  * These were taken from ATA/ATAPI-6 standard, rev 0a, except
  * for PIO 5, which is a nonstandard extension and UDMA6, which
- * is currently supported only by Maxtor drives. 
+ * is currently supported only by Maxtor drives.
  */
 
 static const struct ata_timing ata_timing[] = {
@@ -1635,11 +1635,11 @@ static const struct ata_timing ata_timing[] = {
         { XFER_UDMA_0,     0,   0,   0,   0,   0,   0,   0, 120 },
 
 /*      { XFER_UDMA_SLOW,  0,   0,   0,   0,   0,   0,   0, 150 }, */
-                                          
+
         { XFER_MW_DMA_2,  25,   0,   0,   0,  70,  25, 120,   0 },
         { XFER_MW_DMA_1,  45,   0,   0,   0,  80,  50, 150,   0 },
         { XFER_MW_DMA_0,  60,   0,   0,   0, 215, 215, 480,   0 },
-                                          
+
         { XFER_SW_DMA_2,  60,   0,   0,   0, 120, 120, 240,   0 },
         { XFER_SW_DMA_1,  90,   0,   0,   0, 240, 240, 480,   0 },
         { XFER_SW_DMA_0, 120,   0,   0,   0, 480, 480, 960,   0 },
@@ -1692,7 +1692,7 @@ static const struct ata_timing* ata_timing_find_mode(unsigned short speed)
         for (t = ata_timing; t->mode != speed; t++)
                 if (t->mode == 0xFF)
                         return NULL;
-        return t; 
+        return t;
 }
 
 int ata_timing_compute(struct ata_device *adev, unsigned short speed,
@@ -1702,7 +1702,7 @@ int ata_timing_compute(struct ata_device *adev, unsigned short speed,
         struct ata_timing p;
 
         /*
-         * Find the mode. 
+         * Find the mode.
          */
 
         if (!(s = ata_timing_find_mode(speed)))
@@ -2078,11 +2078,11 @@ static unsigned int ata_bus_softreset(struct ata_port *ap,
          */
         msleep(150);
 
-        
-        /* Before we perform post reset processing we want to see if 
+
+        /* Before we perform post reset processing we want to see if
            the bus shows 0xFF because the odd clown forgets the D7 pulldown
            resistor */
-        
+
         if (ata_check_status(ap) == 0xFF)
                 return 1;       /* Positive is failure for some reason */
 
@@ -2651,22 +2651,22 @@ static const char * const ata_dma_blacklist [] = {
         "SanDisk SDP3B-64", NULL,
         "SANYO CD-ROM CRD", NULL,
         "HITACHI CDR-8", NULL,
-        "HITACHI CDR-8335", NULL, 
+        "HITACHI CDR-8335", NULL,
         "HITACHI CDR-8435", NULL,
-        "Toshiba CD-ROM XM-6202B", NULL, 
-        "TOSHIBA CD-ROM XM-1702BC", NULL, 
-        "CD-532E-A", NULL, 
-        "E-IDE CD-ROM CR-840", NULL, 
-        "CD-ROM Drive/F5A", NULL, 
-        "WPI CDD-820", NULL, 
+        "Toshiba CD-ROM XM-6202B", NULL,
+        "TOSHIBA CD-ROM XM-1702BC", NULL,
+        "CD-532E-A", NULL,
+        "E-IDE CD-ROM CR-840", NULL,
+        "CD-ROM Drive/F5A", NULL,
+        "WPI CDD-820", NULL,
         "SAMSUNG CD-ROM SC-148C", NULL,
-        "SAMSUNG CD-ROM SC", NULL, 
+        "SAMSUNG CD-ROM SC", NULL,
         "SanDisk SDP3B-64", NULL,
         "ATAPI CD-ROM DRIVE 40X MAXIMUM",NULL,
         "_NEC DV5800A", NULL,
         "SAMSUNG CD-ROM SN-124", "N001"
 };
- 
+
 static int ata_strim(char *s, size_t len)
 {
         len = strnlen(s, len);
@@ -3697,7 +3697,7 @@ static void ata_pio_error(struct ata_port *ap)
         if (qc->tf.command != ATA_CMD_PACKET)
                 printk(KERN_WARNING "ata%u: PIO error\n", ap->id);
 
-        /* make sure qc->err_mask is available to 
+        /* make sure qc->err_mask is available to
          * know what's wrong and recover
          */
         WARN_ON(qc->err_mask == 0);
@@ -4695,7 +4695,7 @@ err_free_ret:
  *      ata_host_set_remove - PCI layer callback for device removal
  *      @host_set: ATA host set that was removed
  *
- *      Unregister all objects associated with this host set. Free those 
+ *      Unregister all objects associated with this host set. Free those
  *      objects.
  *
  *      LOCKING:
@@ -4967,6 +4967,8 @@ EXPORT_SYMBOL_GPL(ata_std_postreset);
 EXPORT_SYMBOL_GPL(ata_std_probe_reset);
 EXPORT_SYMBOL_GPL(ata_drive_probe_reset);
 EXPORT_SYMBOL_GPL(ata_dev_revalidate);
+EXPORT_SYMBOL_GPL(ata_dev_classify);
+EXPORT_SYMBOL_GPL(ata_dev_pair);
 EXPORT_SYMBOL_GPL(ata_port_disable);
 EXPORT_SYMBOL_GPL(ata_ratelimit);
 EXPORT_SYMBOL_GPL(ata_busy_sleep);
@@ -4977,7 +4979,6 @@ EXPORT_SYMBOL_GPL(ata_scsi_error);
 EXPORT_SYMBOL_GPL(ata_scsi_slave_config);
 EXPORT_SYMBOL_GPL(ata_scsi_release);
 EXPORT_SYMBOL_GPL(ata_host_intr);
-EXPORT_SYMBOL_GPL(ata_dev_classify);
 EXPORT_SYMBOL_GPL(ata_id_string);
 EXPORT_SYMBOL_GPL(ata_id_c_string);
 EXPORT_SYMBOL_GPL(ata_scsi_simulate);
diff --git a/drivers/scsi/libata-scsi.c b/drivers/scsi/libata-scsi.c
index 1fd3826da97e..b7df37ed4393 100644
--- a/drivers/scsi/libata-scsi.c
+++ b/drivers/scsi/libata-scsi.c
@@ -256,7 +256,7 @@ int ata_task_ioctl(struct scsi_device *scsidev, void __user *arg)
         scsi_cmd[14] = args[0];
 
         /* Good values for timeout and retries?  Values below
-           from scsi_ioctl_send_command() for default case... */        
+           from scsi_ioctl_send_command() for default case... */
         if (scsi_execute_req(scsidev, scsi_cmd, DMA_NONE, NULL, 0, &sshdr,
                              (10*HZ), 5))
                 rc = -EIO;
@@ -438,7 +438,7 @@ int ata_scsi_device_suspend(struct scsi_device *sdev, pm_message_t state)
  *      LOCKING:
  *      spin_lock_irqsave(host_set lock)
  */
-void ata_to_sense_error(unsigned id, u8 drv_stat, u8 drv_err, u8 *sk, u8 *asc, 
+void ata_to_sense_error(unsigned id, u8 drv_stat, u8 drv_err, u8 *sk, u8 *asc,
                         u8 *ascq)
 {
         int i;
@@ -495,7 +495,7 @@ void ata_to_sense_error(unsigned id, u8 drv_stat, u8 drv_err, u8 *sk, u8 *asc,
                 /* Look for drv_err */
                 for (i = 0; sense_table[i][0] != 0xFF; i++) {
                         /* Look for best matches first */
-                        if ((sense_table[i][0] & drv_err) == 
+                        if ((sense_table[i][0] & drv_err) ==
                             sense_table[i][0]) {
                                 *sk = sense_table[i][1];
                                 *asc = sense_table[i][2];
@@ -518,7 +518,7 @@ void ata_to_sense_error(unsigned id, u8 drv_stat, u8 drv_err, u8 *sk, u8 *asc,
                 }
         }
         /* No error?  Undecoded? */
-        printk(KERN_WARNING "ata%u: no sense translation for status: 0x%02x\n", 
+        printk(KERN_WARNING "ata%u: no sense translation for status: 0x%02x\n",
                id, drv_stat);
 
         /* We need a sensible error return here, which is tricky, and one
@@ -1150,14 +1150,14 @@ static unsigned int ata_scsi_verify_xlat(struct ata_queued_cmd *qc, const u8 *sc
 
                 DPRINTK("block %u track %u cyl %u head %u sect %u\n",
                         (u32)block, track, cyl, head, sect);
-                
-                /* Check whether the converted CHS can fit. 
-                   Cylinder: 0-65535 
+
+                /* Check whether the converted CHS can fit.
+                   Cylinder: 0-65535
                    Head: 0-15
                    Sector: 1-255*/
-                if ((cyl >> 16) || (head >> 4) || (sect >> 8) || (!sect)) 
+                if ((cyl >> 16) || (head >> 4) || (sect >> 8) || (!sect))
                         goto out_of_range;
-                
+
                 tf->command = ATA_CMD_VERIFY;
                 tf->nsect = n_block & 0xff; /* Sector count 0 means 256 sectors */
                 tf->lbal = sect;
@@ -1289,7 +1289,7 @@ static unsigned int ata_scsi_rw_xlat(struct ata_queued_cmd *qc, const u8 *scsicm
                 tf->lbal = block & 0xff;
 
                 tf->device |= ATA_LBA;
-        } else { 
+        } else {
                 /* CHS */
                 u32 sect, head, cyl, track;
 
@@ -1309,8 +1309,8 @@ static unsigned int ata_scsi_rw_xlat(struct ata_queued_cmd *qc, const u8 *scsicm
                 DPRINTK("block %u track %u cyl %u head %u sect %u\n",
                         (u32)block, track, cyl, head, sect);
 
-                /* Check whether the converted CHS can fit. 
-                   Cylinder: 0-65535 
+                /* Check whether the converted CHS can fit.
+                   Cylinder: 0-65535
                    Head: 0-15
                    Sector: 1-255*/
                 if ((cyl >> 16) || (head >> 4) || (sect >> 8) || (!sect))
@@ -1697,7 +1697,7 @@ unsigned int ata_scsiop_inq_83(struct ata_scsi_args *args, u8 *rbuf,
 
         if (buflen > (ATA_SERNO_LEN + num + 3)) {
                 /* piv=0, assoc=lu, code_set=ACSII, designator=vendor */
-                rbuf[num + 0] = 2;      
+                rbuf[num + 0] = 2;
                 rbuf[num + 3] = ATA_SERNO_LEN;
                 num += 4;
                 ata_id_string(args->id, (unsigned char *) rbuf + num,
@@ -1707,8 +1707,8 @@ unsigned int ata_scsiop_inq_83(struct ata_scsi_args *args, u8 *rbuf,
         if (buflen > (sat_model_serial_desc_len + num + 3)) {
                 /* SAT defined lu model and serial numbers descriptor */
                 /* piv=0, assoc=lu, code_set=ACSII, designator=t10 vendor id */
-                rbuf[num + 0] = 2;      
-                rbuf[num + 1] = 1;      
+                rbuf[num + 0] = 2;
+                rbuf[num + 1] = 1;
                 rbuf[num + 3] = sat_model_serial_desc_len;
                 num += 4;
                 memcpy(rbuf + num, "ATA     ", 8);
diff --git a/drivers/scsi/sata_sil24.c b/drivers/scsi/sata_sil24.c
index 3efebea211f2..068c98a4111b 100644
--- a/drivers/scsi/sata_sil24.c
+++ b/drivers/scsi/sata_sil24.c
@@ -342,7 +342,7 @@ static struct ata_port_info sil24_port_info[] = {
                 .udma_mask      = 0x3f,                 /* udma0-5 */
                 .port_ops       = &sil24_ops,
         },
-        /* sil_3132 */ 
+        /* sil_3132 */
         {
                 .sht            = &sil24_sht,
                 .host_flags     = ATA_FLAG_SATA | ATA_FLAG_NO_LEGACY |
diff --git a/drivers/scsi/sata_vsc.c b/drivers/scsi/sata_vsc.c
index 9701a806539d..836bbbb26ff2 100644
--- a/drivers/scsi/sata_vsc.c
+++ b/drivers/scsi/sata_vsc.c
@@ -230,11 +230,11 @@ static irqreturn_t vsc_sata_interrupt (int irq, void *dev_instance,
                                         handled += ata_host_intr(ap, qc);
                                 } else if (is_vsc_sata_int_err(i, int_status)) {
                                         /*
-                                         * On some chips (i.e. Intel 31244), an error 
+                                         * On some chips (i.e. Intel 31244), an error
                                          * interrupt will sneak in at initialization
                                          * time (phy state changes).  Clearing the SCR
                                          * error register is not required, but it prevents
-                                         * the phy state change interrupts from recurring 
+                                         * the phy state change interrupts from recurring
                                          * later.
                                          */
                                         u32 err_status;