[libata] trim trailing whitespace

Most of these contributed by that mysterious figger known as A.C.

Signed-off-by: Jeff Garzik <jeff@garzik.org>
diff --git a/drivers/ata/pata_via.c b/drivers/ata/pata_via.c
index f0b6c3b..2addce1 100644
--- a/drivers/ata/pata_via.c
+++ b/drivers/ata/pata_via.c
@@ -391,11 +391,11 @@
 static void via_config_fifo(struct pci_dev *pdev, unsigned int flags)
 {
 	u8 enable;
-	
+
 	/* 0x40 low bits indicate enabled channels */
 	pci_read_config_byte(pdev, 0x40 , &enable);
 	enable &= 3;
-	
+
 	if (flags & VIA_SET_FIFO) {
 		static const u8 fifo_setting[4] = {0x00, 0x60, 0x00, 0x20};
 		u8 fifo;
@@ -516,7 +516,7 @@
 
 	/* Initialise the FIFO for the enabled channels. */
 	via_config_fifo(pdev, config->flags);
-	
+
 	/* Clock set up */
 	switch(config->flags & VIA_UDMA) {
 		case VIA_UDMA_NONE:
@@ -575,7 +575,7 @@
 	u32 timing;
 	struct ata_host *host = dev_get_drvdata(&pdev->dev);
 	const struct via_isa_bridge *config = host->private_data;
-	
+
 	via_config_fifo(pdev, config->flags);
 
 	if ((config->flags & VIA_UDMA) == VIA_UDMA_66) {
@@ -590,7 +590,7 @@
 		timing &= ~0x80008;
 		pci_write_config_dword(pdev, 0x50, timing);
 	}
-	return ata_pci_device_resume(pdev);	
+	return ata_pci_device_resume(pdev);
 }
 
 static const struct pci_device_id via[] = {