1 files changed, 24 insertions, 24 deletions

diff --git a/drivers/ata/pata_sl82c105.c b/drivers/ata/pata_sl82c105.c
index 47b290b5604a..f8499786917a 100644
--- a/drivers/ata/pata_sl82c105.c
+++ b/drivers/ata/pata_sl82c105.c
@@ -8,7 +8,7 @@
  *
  * and in part on the documentation and errata sheet
  */
- 
+
 #include <linux/kernel.h>
 #include <linux/module.h>
 #include <linux/pci.h>
@@ -40,7 +40,7 @@ enum {
  *
  *      Set up cable type and use generic probe init
  */
- 
+
 static int sl82c105_pre_reset(struct ata_port *ap)
 {
         static const struct pci_bits sl82c105_enable_bits[] = {
@@ -75,7 +75,7 @@ static void sl82c105_error_handler(struct ata_port *ap)
  *      so a configure_dmamode call will undo any work we do here and vice
  *      versa
  */
- 
+
 static void sl82c105_configure_piomode(struct ata_port *ap, struct ata_device *adev, int pio)
 {
         struct pci_dev *pdev = to_pci_dev(ap->host->dev);
@@ -84,7 +84,7 @@ static void sl82c105_configure_piomode(struct ata_port *ap, struct ata_device *a
         };
         u16 dummy;
         int timing = 0x44 + (8 * ap->port_no) + (4 * adev->devno);
-        
+
         pci_write_config_word(pdev, timing, pio_timing[pio]);
         /* Can we lose this oddity of the old driver */
         pci_read_config_word(pdev, timing, &dummy);
@@ -98,7 +98,7 @@ static void sl82c105_configure_piomode(struct ata_port *ap, struct ata_device *a
  *      Called to do the PIO mode setup. Our timing registers are shared
  *      but we want to set the PIO timing by default.
  */
- 
+
 static void sl82c105_set_piomode(struct ata_port *ap, struct ata_device *adev)
 {
         sl82c105_configure_piomode(ap, adev, adev->pio_mode - XFER_PIO_0);
@@ -112,7 +112,7 @@ static void sl82c105_set_piomode(struct ata_port *ap, struct ata_device *adev)
  *      Load DMA cycle times into the chip ready for a DMA transfer
  *      to occur.
  */
- 
+
 static void sl82c105_configure_dmamode(struct ata_port *ap, struct ata_device *adev)
 {
         struct pci_dev *pdev = to_pci_dev(ap->host->dev);
@@ -122,7 +122,7 @@ static void sl82c105_configure_dmamode(struct ata_port *ap, struct ata_device *a
         u16 dummy;
         int timing = 0x44 + (8 * ap->port_no) + (4 * adev->devno);
         int dma = adev->dma_mode - XFER_MW_DMA_0;
-        
+
         pci_write_config_word(pdev, timing, dma_timing[dma]);
         /* Can we lose this oddity of the old driver */
         pci_read_config_word(pdev, timing, &dummy);
@@ -137,7 +137,7 @@ static void sl82c105_configure_dmamode(struct ata_port *ap, struct ata_device *a
  *      for the device in question. Set appropriate PIO timings not DMA
  *      timings at this point.
  */
- 
+
 static void sl82c105_set_dmamode(struct ata_port *ap, struct ata_device *adev)
 {
         switch(adev->dma_mode) {
@@ -152,7 +152,7 @@ static void sl82c105_set_dmamode(struct ata_port *ap, struct ata_device *adev)
                         break;
                 default:
                         BUG();
-        }                       
+        }
 }
 
 /**
@@ -160,16 +160,16 @@ static void sl82c105_set_dmamode(struct ata_port *ap, struct ata_device *adev)
  *      @ap: ATA interface
  *
  *      The sl82c105 has some serious problems with the DMA engine
- *      when transfers don't run as expected or ATAPI is used. The 
+ *      when transfers don't run as expected or ATAPI is used. The
  *      recommended fix is to reset the engine each use using a chip
  *      test register.
  */
- 
+
 static void sl82c105_reset_engine(struct ata_port *ap)
 {
         struct pci_dev *pdev = to_pci_dev(ap->host->dev);
         u16 val;
-        
+
         pci_read_config_word(pdev, 0x7E, &val);
         pci_write_config_word(pdev, 0x7E, val | 4);
         pci_write_config_word(pdev, 0x7E, val & ~4);
@@ -180,21 +180,21 @@ static void sl82c105_reset_engine(struct ata_port *ap)
  *      @qc: ATA command
  *
  *      Reset the DMA engine each use as recommended by the errata
- *      document. 
+ *      document.
  *
  *      FIXME: if we switch clock at BMDMA start/end we might get better
  *      PIO performance on DMA capable devices.
  */
- 
+
 static void sl82c105_bmdma_start(struct ata_queued_cmd *qc)
 {
         struct ata_port *ap = qc->ap;
 
         sl82c105_reset_engine(ap);
-        
+
         /* Set the clocks for DMA */
         sl82c105_configure_dmamode(ap, qc->dev);
-        /* Activate DMA */      
+        /* Activate DMA */
         ata_bmdma_start(qc);
 }
 
@@ -212,14 +212,14 @@ static void sl82c105_bmdma_start(struct ata_queued_cmd *qc)
  *      We assume bmdma_stop is always called if bmdma_start as called. If
  *      not then we may need to wrap qc_issue.
  */
- 
+
 static void sl82c105_bmdma_stop(struct ata_queued_cmd *qc)
 {
         struct ata_port *ap = qc->ap;
 
         ata_bmdma_stop(qc);
         sl82c105_reset_engine(ap);
-        
+
         /* This will redo the initial setup of the DMA device to matching
            PIO timings */
         sl82c105_set_dmamode(ap, qc->dev);
@@ -269,11 +269,11 @@ static struct ata_port_operations sl82c105_port_ops = {
 
         .irq_handler    = ata_interrupt,
         .irq_clear      = ata_bmdma_irq_clear,
-        
+
         .port_start     = ata_port_start,
         .port_stop      = ata_port_stop,
         .host_stop      = ata_host_stop
-};      
+};
 
 /**
  *      sl82c105_bridge_revision        -       find bridge version
@@ -283,7 +283,7 @@ static struct ata_port_operations sl82c105_port_ops = {
  *      providing it is a Winbond 553 reports the revision. If it cannot
  *      find a revision or the right device it returns -1
  */
- 
+
 static int sl82c105_bridge_revision(struct pci_dev *pdev)
 {
         struct pci_dev *bridge;
@@ -315,7 +315,7 @@ static int sl82c105_bridge_revision(struct pci_dev *pdev)
         return rev;
 }
 
-        
+
 static int sl82c105_init_one(struct pci_dev *dev, const struct pci_device_id *id)
 {
         static struct ata_port_info info_dma = {
@@ -336,7 +336,7 @@ static int sl82c105_init_one(struct pci_dev *dev, const struct pci_device_id *id
         int rev;
 
         rev = sl82c105_bridge_revision(dev);
-        
+
         if (rev == -1)
                 dev_printk(KERN_WARNING, &dev->dev, "pata_sl82c105: Unable to find bridge, disabling DMA.\n");
         else if (rev <= 5)
@@ -345,7 +345,7 @@ static int sl82c105_init_one(struct pci_dev *dev, const struct pci_device_id *id
                 port_info[0] = &info_dma;
                 port_info[1] = &info_dma;
         }
-        
+
         pci_read_config_dword(dev, 0x40, &val);
         val |= CTRL_P0EN | CTRL_P0F16 | CTRL_P1F16;
         pci_write_config_dword(dev, 0x40, val);