libata: Trim trailing whitespace

Signed-off-by: Jeff Garzik <jeff@garzik.org>

drivers/ata/Kconfig

@@ -132,7 +132,7 @@ config SATA_SIS
 	depends on PCI
 	select PATA_SIS
 	help
-	  This option enables support for SiS Serial ATA on 
+	  This option enables support for SiS Serial ATA on
 	  SiS 964/965/966/180 and Parallel ATA on SiS 180.
 	  The PATA support for SiS 180 requires additionally to
 	  enable the PATA_SIS driver in the config.

drivers/ata/libata-core.c

@@ -977,7 +977,7 @@ static u64 ata_hpa_resize(struct ata_device *dev)
 {
 	u64 sectors = dev->n_sectors;
 	u64 hpa_sectors;
-	
+
 	if (ata_id_has_lba48(dev->id))
 		hpa_sectors = ata_read_native_max_address_ext(dev);
 	else
@@ -1588,7 +1588,7 @@ unsigned int ata_do_simple_cmd(struct ata_device *dev, u8 cmd)
  *	Check if the current speed of the device requires IORDY. Used
  *	by various controllers for chip configuration.
  */
- 
+
 unsigned int ata_pio_need_iordy(const struct ata_device *adev)
 {
 	/* Controller doesn't support  IORDY. Probably a pointless check
@@ -1611,7 +1611,7 @@ unsigned int ata_pio_need_iordy(const struct ata_device *adev)
  *	Compute the highest mode possible if we are not using iordy. Return
  *	-1 if no iordy mode is available.
  */
- 
+
 static u32 ata_pio_mask_no_iordy(const struct ata_device *adev)
 {
 	/* If we have no drive specific rule, then PIO 2 is non IORDY */
@@ -2663,7 +2663,7 @@ int ata_timing_compute(struct ata_device *adev, unsigned short speed,
 		t->active += (t->cycle - (t->active + t->recover)) / 2;
 		t->recover = t->cycle - t->active;
 	}
-	
+
 	/* In a few cases quantisation may produce enough errors to
 	   leave t->cycle too low for the sum of active and recovery
 	   if so we must correct this */

drivers/ata/libata-eh.c

@@ -1009,7 +1009,7 @@ static unsigned int atapi_eh_request_sense(struct ata_queued_cmd *qc)
 	sense_buf[0] = 0x70;
 	sense_buf[2] = qc->result_tf.feature >> 4;
 
-	/* some devices time out if garbage left in tf */ 
+	/* some devices time out if garbage left in tf */
 	ata_tf_init(dev, &tf);
 
 	memset(cdb, 0, ATAPI_CDB_LEN);

drivers/ata/pata_artop.c

@@ -99,7 +99,7 @@ static int artop6260_pre_reset(struct ata_port *ap, unsigned long deadline)
  *
  *	Identify the cable type for the ARTOp interface in question
  */
- 
+
 static int artop6260_cable_detect(struct ata_port *ap)
 {
 	struct pci_dev *pdev = to_pci_dev(ap->host->dev);

drivers/ata/pata_cmd640.c

@@ -107,7 +107,7 @@ static void cmd640_set_piomode(struct ata_port *ap, struct ata_device *adev)
 		pci_write_config_byte(pdev, arttim + 1, (t.active << 4) | t.recover);
 	} else {
 		/* Save the shared timings for channel, they will be loaded
-		   by qc_issue_prot. Reloading the setup time is expensive 
+		   by qc_issue_prot. Reloading the setup time is expensive
 		   so we keep a merged one loaded */
 		pci_read_config_byte(pdev, ARTIM23, &reg);
 		reg &= 0x3F;
@@ -231,7 +231,7 @@ static void cmd640_hardware_init(struct pci_dev *pdev)
 	pci_write_config_byte(pdev, CMDTIM, 0);
 	/* 512 byte bursts (sector) */
 	pci_write_config_byte(pdev, BRST, 0x40);
-	/* 
+	/*
 	 * A reporter a long time ago
 	 * Had problems with the data fifo
 	 * So don't run the risk

drivers/ata/pata_hpt37x.c

@@ -961,7 +961,7 @@ static int hpt37x_init_one(struct pci_dev *dev, const struct pci_device_id *id)
 	u8 mcr1;
 	u32 freq;
 	int prefer_dpll = 1;
-	
+
 	unsigned long iobase = pci_resource_start(dev, 4);
 
 	const struct hpt_chip *chip_table;
@@ -1055,7 +1055,7 @@ static int hpt37x_init_one(struct pci_dev *dev, const struct pci_device_id *id)
 	 */
 
 	pci_write_config_byte(dev, 0x5b, 0x23);
-	
+
 	/*
 	 * HighPoint does this for HPT372A.
 	 * NOTE: This register is only writeable via I/O space.
@@ -1088,7 +1088,7 @@ static int hpt37x_init_one(struct pci_dev *dev, const struct pci_device_id *id)
 	 *	Turn the frequency check into a band and then find a timing
 	 *	table to match it.
 	 */
-	 
+
 	clock_slot = hpt37x_clock_slot(freq, chip_table->base);
 	if (chip_table->clocks[clock_slot] == NULL || prefer_dpll) {
 		/*
@@ -1099,11 +1099,11 @@ static int hpt37x_init_one(struct pci_dev *dev, const struct pci_device_id *id)
 		 */
 		unsigned int f_low, f_high;
 		int adjust;
-		
+
 		clock_slot = 2;
 		if (port->udma_mask & 0xE0)
 			clock_slot = 3;
-		
+
 		f_low = (MHz[clock_slot] * chip_table->base) / 192;
 		f_high = f_low + 2;
 

drivers/ata/sata_nv.c

@@ -802,7 +802,7 @@ static irqreturn_t nv_adma_interrupt(int irq, void *dev_instance)
 			u16 status;
 			u32 gen_ctl;
 			u32 notifier, notifier_error;
-			
+
 			/* if ADMA is disabled, use standard ata interrupt handler */
 			if (pp->flags & NV_ADMA_ATAPI_SETUP_COMPLETE) {
 				u8 irq_stat = readb(host->iomap[NV_MMIO_BAR] + NV_INT_STATUS_CK804)
@@ -963,7 +963,7 @@ static void nv_adma_irq_clear(struct ata_port *ap)
 
 	/* clear ADMA status */
 	writew(0xffff, mmio + NV_ADMA_STAT);
-	
+
 	/* clear notifiers - note both ports need to be written with
 	   something even though we are only clearing on one */
 	if (ap->port_no == 0) {

drivers/ata/sata_sil.c

@@ -305,7 +305,7 @@ static int sil_set_mode (struct ata_port *ap, struct ata_device **r_failed)
 	u32 tmp, dev_mode[2];
 	unsigned int i;
 	int rc;
-	
+
 	rc = ata_do_set_mode(ap, r_failed);
 	if (rc)
 		return rc;