libata: trim trailing whitespace.

Also, fixup a tabs-to-spaces block of code in ata_piix.

12 files changed, 92 insertions, 92 deletions

diff --git a/drivers/scsi/ata_piix.c b/drivers/scsi/ata_piix.c
index a2cfade2c1c..9f1bdfbd8d0 100644
--- a/drivers/scsi/ata_piix.c
+++ b/drivers/scsi/ata_piix.c
@@ -629,13 +629,13 @@ static int piix_init_one (struct pci_dev *pdev, const struct pci_device_id *ent)
 	port_info[1] = NULL;
 
 	if (port_info[0]->host_flags & PIIX_FLAG_AHCI) {
-               u8 tmp;
-               pci_read_config_byte(pdev, PIIX_SCC, &tmp);
-               if (tmp == PIIX_AHCI_DEVICE) {
-                       int rc = piix_disable_ahci(pdev);
-                       if (rc)
-                           return rc;
-               }
+		u8 tmp;
+		pci_read_config_byte(pdev, PIIX_SCC, &tmp);
+		if (tmp == PIIX_AHCI_DEVICE) {
+			int rc = piix_disable_ahci(pdev);
+			if (rc)
+				return rc;
+		}
 	}
 
 	if (port_info[0]->host_flags & PIIX_FLAG_COMBINED) {
diff --git a/drivers/scsi/libata-core.c b/drivers/scsi/libata-core.c
index 73b1f72b7e4..6e56af23957 100644
--- a/drivers/scsi/libata-core.c
+++ b/drivers/scsi/libata-core.c
@@ -1304,12 +1304,12 @@ static inline u8 ata_dev_knobble(struct ata_port *ap)
 /**
  * 	ata_dev_config - Run device specific handlers and check for
  * 			 SATA->PATA bridges
- * 	@ap: Bus 
+ * 	@ap: Bus
  * 	@i:  Device
  *
  * 	LOCKING:
  */
- 
+
 void ata_dev_config(struct ata_port *ap, unsigned int i)
 {
 	/* limit bridge transfers to udma5, 200 sectors */
diff --git a/drivers/scsi/libata.h b/drivers/scsi/libata.h
index d90430bbb0d..91b68eedb3c 100644
--- a/drivers/scsi/libata.h
+++ b/drivers/scsi/libata.h
@@ -72,7 +72,7 @@ extern unsigned int ata_scsiop_report_luns(struct ata_scsi_args *args, u8 *rbuf,
 extern void ata_scsi_badcmd(struct scsi_cmnd *cmd,
 			    void (*done)(struct scsi_cmnd *),
 			    u8 asc, u8 ascq);
-extern void ata_scsi_rbuf_fill(struct ata_scsi_args *args, 
+extern void ata_scsi_rbuf_fill(struct ata_scsi_args *args,
                         unsigned int (*actor) (struct ata_scsi_args *args,
                                            u8 *rbuf, unsigned int buflen));
 
diff --git a/drivers/scsi/sata_qstor.c b/drivers/scsi/sata_qstor.c
index 1383e8a28d7..dca9ed7ac76 100644
--- a/drivers/scsi/sata_qstor.c
+++ b/drivers/scsi/sata_qstor.c
@@ -431,7 +431,7 @@ static inline unsigned int qs_intr_mmio(struct ata_host_set *host_set)
 					continue;
 				DPRINTK("ata%u: protocol %d (dev_stat 0x%X)\n",
 					ap->id, qc->tf.protocol, status);
-		
+
 				/* complete taskfile transaction */
 				pp->state = qs_state_idle;
 				ata_qc_complete(qc, status);
diff --git a/drivers/scsi/sata_sil.c b/drivers/scsi/sata_sil.c
index 49ed557a4b6..a1b81d43b11 100644
--- a/drivers/scsi/sata_sil.c
+++ b/drivers/scsi/sata_sil.c
@@ -323,13 +323,13 @@ static void sil_dev_config(struct ata_port *ap, struct ata_device *dev)
 	while ((len > 0) && (s[len - 1] == ' '))
 		len--;
 
-	for (n = 0; sil_blacklist[n].product; n++) 
+	for (n = 0; sil_blacklist[n].product; n++)
 		if (!memcmp(sil_blacklist[n].product, s,
 			    strlen(sil_blacklist[n].product))) {
 			quirks = sil_blacklist[n].quirk;
 			break;
 		}
-	
+
 	/* limit requests to 15 sectors */
 	if (quirks & SIL_QUIRK_MOD15WRITE) {
 		printk(KERN_INFO "ata%u(%u): applying Seagate errata fix\n",
diff --git a/drivers/scsi/sata_sis.c b/drivers/scsi/sata_sis.c
index e418b89c6b9..b250ae0c777 100644
--- a/drivers/scsi/sata_sis.c
+++ b/drivers/scsi/sata_sis.c
@@ -234,7 +234,7 @@ static int sis_init_one (struct pci_dev *pdev, const struct pci_device_id *ent)
 	pci_read_config_dword(pdev, SIS_GENCTL, &genctl);
 	if ((genctl & GENCTL_IOMAPPED_SCR) == 0)
 		probe_ent->host_flags |= SIS_FLAG_CFGSCR;
-	
+
 	/* if hardware thinks SCRs are in IO space, but there are
 	 * no IO resources assigned, change to PCI cfg space.
 	 */
diff --git a/drivers/scsi/sata_svw.c b/drivers/scsi/sata_svw.c
index 858e07185db..6fd2ce1ffcd 100644
--- a/drivers/scsi/sata_svw.c
+++ b/drivers/scsi/sata_svw.c
@@ -195,18 +195,18 @@ static void k2_bmdma_start_mmio (struct ata_queued_cmd *qc)
 	/* start host DMA transaction */
 	dmactl = readb(mmio + ATA_DMA_CMD);
 	writeb(dmactl | ATA_DMA_START, mmio + ATA_DMA_CMD);
-	/* There is a race condition in certain SATA controllers that can 
-	   be seen when the r/w command is given to the controller before the 
+	/* There is a race condition in certain SATA controllers that can
+	   be seen when the r/w command is given to the controller before the
 	   host DMA is started. On a Read command, the controller would initiate
 	   the command to the drive even before it sees the DMA start. When there
-	   are very fast drives connected to the controller, or when the data request 
+	   are very fast drives connected to the controller, or when the data request
 	   hits in the drive cache, there is the possibility that the drive returns a part
 	   or all of the requested data to the controller before the DMA start is issued.
 	   In this case, the controller would become confused as to what to do with the data.
 	   In the worst case when all the data is returned back to the controller, the
 	   controller could hang. In other cases it could return partial data returning
 	   in data corruption. This problem has been seen in PPC systems and can also appear
-	   on an system with very fast disks, where the SATA controller is sitting behind a 
+	   on an system with very fast disks, where the SATA controller is sitting behind a
 	   number of bridges, and hence there is significant latency between the r/w command
 	   and the start command. */
 	/* issue r/w command if the access is to ATA*/
@@ -214,7 +214,7 @@ static void k2_bmdma_start_mmio (struct ata_queued_cmd *qc)
 		ap->ops->exec_command(ap, &qc->tf);
 }
 
-									      
+
 static u8 k2_stat_check_status(struct ata_port *ap)
 {
        	return readl((void *) ap->ioaddr.status_addr);
diff --git a/drivers/scsi/sata_sx4.c b/drivers/scsi/sata_sx4.c
index 140cea05de3..8e59868b24b 100644
--- a/drivers/scsi/sata_sx4.c
+++ b/drivers/scsi/sata_sx4.c
@@ -94,7 +94,7 @@ enum {
 	PDC_DIMM1_CONTROL_OFFSET      = 0x84,
 	PDC_SDRAM_CONTROL_OFFSET      = 0x88,
 	PDC_I2C_WRITE                 = 0x00000000,
-	PDC_I2C_READ                  = 0x00000040,	
+	PDC_I2C_READ                  = 0x00000040,
 	PDC_I2C_START                 = 0x00000080,
 	PDC_I2C_MASK_INT              = 0x00000020,
 	PDC_I2C_COMPLETE              = 0x00010000,
@@ -105,16 +105,16 @@ enum {
 	PDC_DIMM_SPD_COLUMN_NUM       = 4,
 	PDC_DIMM_SPD_MODULE_ROW       = 5,
 	PDC_DIMM_SPD_TYPE             = 11,
-	PDC_DIMM_SPD_FRESH_RATE       = 12,         
-	PDC_DIMM_SPD_BANK_NUM         = 17,	
+	PDC_DIMM_SPD_FRESH_RATE       = 12,
+	PDC_DIMM_SPD_BANK_NUM         = 17,
 	PDC_DIMM_SPD_CAS_LATENCY      = 18,
-	PDC_DIMM_SPD_ATTRIBUTE        = 21,    
+	PDC_DIMM_SPD_ATTRIBUTE        = 21,
 	PDC_DIMM_SPD_ROW_PRE_CHARGE   = 27,
-	PDC_DIMM_SPD_ROW_ACTIVE_DELAY = 28,      
+	PDC_DIMM_SPD_ROW_ACTIVE_DELAY = 28,
 	PDC_DIMM_SPD_RAS_CAS_DELAY    = 29,
 	PDC_DIMM_SPD_ACTIVE_PRECHARGE = 30,
 	PDC_DIMM_SPD_SYSTEM_FREQ      = 126,
-	PDC_CTL_STATUS		      = 0x08,	
+	PDC_CTL_STATUS		      = 0x08,
 	PDC_DIMM_WINDOW_CTLR	      = 0x0C,
 	PDC_TIME_CONTROL              = 0x3C,
 	PDC_TIME_PERIOD               = 0x40,
@@ -157,15 +157,15 @@ static void pdc_exec_command_mmio(struct ata_port *ap, struct ata_taskfile *tf);
 static void pdc20621_host_stop(struct ata_host_set *host_set);
 static unsigned int pdc20621_dimm_init(struct ata_probe_ent *pe);
 static int pdc20621_detect_dimm(struct ata_probe_ent *pe);
-static unsigned int pdc20621_i2c_read(struct ata_probe_ent *pe, 
+static unsigned int pdc20621_i2c_read(struct ata_probe_ent *pe,
 				      u32 device, u32 subaddr, u32 *pdata);
 static int pdc20621_prog_dimm0(struct ata_probe_ent *pe);
 static unsigned int pdc20621_prog_dimm_global(struct ata_probe_ent *pe);
 #ifdef ATA_VERBOSE_DEBUG
-static void pdc20621_get_from_dimm(struct ata_probe_ent *pe, 
+static void pdc20621_get_from_dimm(struct ata_probe_ent *pe,
 				   void *psource, u32 offset, u32 size);
 #endif
-static void pdc20621_put_to_dimm(struct ata_probe_ent *pe, 
+static void pdc20621_put_to_dimm(struct ata_probe_ent *pe,
 				 void *psource, u32 offset, u32 size);
 static void pdc20621_irq_clear(struct ata_port *ap);
 static int pdc20621_qc_issue_prot(struct ata_queued_cmd *qc);
@@ -922,7 +922,7 @@ static void pdc_sata_setup_port(struct ata_ioports *port, unsigned long base)
 
 
 #ifdef ATA_VERBOSE_DEBUG
-static void pdc20621_get_from_dimm(struct ata_probe_ent *pe, void *psource, 
+static void pdc20621_get_from_dimm(struct ata_probe_ent *pe, void *psource,
 				   u32 offset, u32 size)
 {
 	u32 window_size;
@@ -936,9 +936,9 @@ static void pdc20621_get_from_dimm(struct ata_probe_ent *pe, void *psource,
 	/* hard-code chip #0 */
 	mmio += PDC_CHIP0_OFS;
 
-	page_mask = 0x00;	
-   	window_size = 0x2000 * 4; /* 32K byte uchar size */  
-	idx = (u16) (offset / window_size); 
+	page_mask = 0x00;
+   	window_size = 0x2000 * 4; /* 32K byte uchar size */
+	idx = (u16) (offset / window_size);
 
 	writel(0x01, mmio + PDC_GENERAL_CTLR);
 	readl(mmio + PDC_GENERAL_CTLR);
@@ -947,19 +947,19 @@ static void pdc20621_get_from_dimm(struct ata_probe_ent *pe, void *psource,
 
 	offset -= (idx * window_size);
 	idx++;
-	dist = ((long) (window_size - (offset + size))) >= 0 ? size : 
+	dist = ((long) (window_size - (offset + size))) >= 0 ? size :
 		(long) (window_size - offset);
-	memcpy_fromio((char *) psource, (char *) (dimm_mmio + offset / 4), 
+	memcpy_fromio((char *) psource, (char *) (dimm_mmio + offset / 4),
 		      dist);
 
-	psource += dist;    
+	psource += dist;
 	size -= dist;
 	for (; (long) size >= (long) window_size ;) {
 		writel(0x01, mmio + PDC_GENERAL_CTLR);
 		readl(mmio + PDC_GENERAL_CTLR);
 		writel(((idx) << page_mask), mmio + PDC_DIMM_WINDOW_CTLR);
 		readl(mmio + PDC_DIMM_WINDOW_CTLR);
-		memcpy_fromio((char *) psource, (char *) (dimm_mmio), 
+		memcpy_fromio((char *) psource, (char *) (dimm_mmio),
 			      window_size / 4);
 		psource += window_size;
 		size -= window_size;
@@ -971,14 +971,14 @@ static void pdc20621_get_from_dimm(struct ata_probe_ent *pe, void *psource,
 		readl(mmio + PDC_GENERAL_CTLR);
 		writel(((idx) << page_mask), mmio + PDC_DIMM_WINDOW_CTLR);
 		readl(mmio + PDC_DIMM_WINDOW_CTLR);
-		memcpy_fromio((char *) psource, (char *) (dimm_mmio), 
+		memcpy_fromio((char *) psource, (char *) (dimm_mmio),
 			      size / 4);
 	}
 }
 #endif
 
 
-static void pdc20621_put_to_dimm(struct ata_probe_ent *pe, void *psource, 
+static void pdc20621_put_to_dimm(struct ata_probe_ent *pe, void *psource,
 				 u32 offset, u32 size)
 {
 	u32 window_size;
@@ -989,16 +989,16 @@ static void pdc20621_put_to_dimm(struct ata_probe_ent *pe, void *psource,
 	struct pdc_host_priv *hpriv = pe->private_data;
 	void *dimm_mmio = hpriv->dimm_mmio;
 
-	/* hard-code chip #0 */   
+	/* hard-code chip #0 */
 	mmio += PDC_CHIP0_OFS;
 
-	page_mask = 0x00;	
-   	window_size = 0x2000 * 4;       /* 32K byte uchar size */  
+	page_mask = 0x00;
+   	window_size = 0x2000 * 4;       /* 32K byte uchar size */
 	idx = (u16) (offset / window_size);
 
 	writel(((idx) << page_mask), mmio + PDC_DIMM_WINDOW_CTLR);
 	readl(mmio + PDC_DIMM_WINDOW_CTLR);
-	offset -= (idx * window_size); 
+	offset -= (idx * window_size);
 	idx++;
 	dist = ((long)(s32)(window_size - (offset + size))) >= 0 ? size :
 		(long) (window_size - offset);
@@ -1006,12 +1006,12 @@ static void pdc20621_put_to_dimm(struct ata_probe_ent *pe, void *psource,
 	writel(0x01, mmio + PDC_GENERAL_CTLR);
 	readl(mmio + PDC_GENERAL_CTLR);
 
-	psource += dist;    
+	psource += dist;
 	size -= dist;
 	for (; (long) size >= (long) window_size ;) {
 		writel(((idx) << page_mask), mmio + PDC_DIMM_WINDOW_CTLR);
 		readl(mmio + PDC_DIMM_WINDOW_CTLR);
-		memcpy_toio((char *) (dimm_mmio), (char *) psource, 
+		memcpy_toio((char *) (dimm_mmio), (char *) psource,
 			    window_size / 4);
 		writel(0x01, mmio + PDC_GENERAL_CTLR);
 		readl(mmio + PDC_GENERAL_CTLR);
@@ -1019,7 +1019,7 @@ static void pdc20621_put_to_dimm(struct ata_probe_ent *pe, void *psource,
 		size -= window_size;
 		idx ++;
 	}
-    
+
 	if (size) {
 		writel(((idx) << page_mask), mmio + PDC_DIMM_WINDOW_CTLR);
 		readl(mmio + PDC_DIMM_WINDOW_CTLR);
@@ -1030,12 +1030,12 @@ static void pdc20621_put_to_dimm(struct ata_probe_ent *pe, void *psource,
 }
 
 
-static unsigned int pdc20621_i2c_read(struct ata_probe_ent *pe, u32 device, 
+static unsigned int pdc20621_i2c_read(struct ata_probe_ent *pe, u32 device,
 				      u32 subaddr, u32 *pdata)
 {
 	void *mmio = pe->mmio_base;
 	u32 i2creg  = 0;
-	u32 status;     
+	u32 status;
 	u32 count =0;
 
 	/* hard-code chip #0 */
@@ -1049,7 +1049,7 @@ static unsigned int pdc20621_i2c_read(struct ata_probe_ent *pe, u32 device,
 	readl(mmio + PDC_I2C_ADDR_DATA_OFFSET);
 
 	/* Write Control to perform read operation, mask int */
-	writel(PDC_I2C_READ | PDC_I2C_START | PDC_I2C_MASK_INT, 
+	writel(PDC_I2C_READ | PDC_I2C_START | PDC_I2C_MASK_INT,
 	       mmio + PDC_I2C_CONTROL_OFFSET);
 
 	for (count = 0; count <= 1000; count ++) {
@@ -1062,26 +1062,26 @@ static unsigned int pdc20621_i2c_read(struct ata_probe_ent *pe, u32 device,
 	}
 
 	*pdata = (status >> 8) & 0x000000ff;
-	return 1;           
+	return 1;
 }
 
 
 static int pdc20621_detect_dimm(struct ata_probe_ent *pe)
 {
 	u32 data=0 ;
-  	if (pdc20621_i2c_read(pe, PDC_DIMM0_SPD_DEV_ADDRESS, 
+  	if (pdc20621_i2c_read(pe, PDC_DIMM0_SPD_DEV_ADDRESS,
 			     PDC_DIMM_SPD_SYSTEM_FREQ, &data)) {
    		if (data == 100)
 			return 100;
   	} else
 		return 0;
- 	
+
    	if (pdc20621_i2c_read(pe, PDC_DIMM0_SPD_DEV_ADDRESS, 9, &data)) {
-		if(data <= 0x75) 
+		if(data <= 0x75)
 			return 133;
    	} else
 		return 0;
-   	
+
    	return 0;
 }
 
@@ -1091,15 +1091,15 @@ static int pdc20621_prog_dimm0(struct ata_probe_ent *pe)
 	u32 spd0[50];
 	u32 data = 0;
    	int size, i;
-   	u8 bdimmsize; 
+   	u8 bdimmsize;
    	void *mmio = pe->mmio_base;
 	static const struct {
 		unsigned int reg;
 		unsigned int ofs;
 	} pdc_i2c_read_data [] = {
-		{ PDC_DIMM_SPD_TYPE, 11 },		
+		{ PDC_DIMM_SPD_TYPE, 11 },
 		{ PDC_DIMM_SPD_FRESH_RATE, 12 },
-		{ PDC_DIMM_SPD_COLUMN_NUM, 4 }, 
+		{ PDC_DIMM_SPD_COLUMN_NUM, 4 },
 		{ PDC_DIMM_SPD_ATTRIBUTE, 21 },
 		{ PDC_DIMM_SPD_ROW_NUM, 3 },
 		{ PDC_DIMM_SPD_BANK_NUM, 17 },
@@ -1108,7 +1108,7 @@ static int pdc20621_prog_dimm0(struct ata_probe_ent *pe)
 		{ PDC_DIMM_SPD_ROW_ACTIVE_DELAY, 28 },
 		{ PDC_DIMM_SPD_RAS_CAS_DELAY, 29 },
 		{ PDC_DIMM_SPD_ACTIVE_PRECHARGE, 30 },
-		{ PDC_DIMM_SPD_CAS_LATENCY, 18 },       
+		{ PDC_DIMM_SPD_CAS_LATENCY, 18 },
 	};
 
 	/* hard-code chip #0 */
@@ -1116,17 +1116,17 @@ static int pdc20621_prog_dimm0(struct ata_probe_ent *pe)
 
 	for(i=0; i<ARRAY_SIZE(pdc_i2c_read_data); i++)
 		pdc20621_i2c_read(pe, PDC_DIMM0_SPD_DEV_ADDRESS,
-				  pdc_i2c_read_data[i].reg, 
+				  pdc_i2c_read_data[i].reg,
 				  &spd0[pdc_i2c_read_data[i].ofs]);
-  
+
    	data |= (spd0[4] - 8) | ((spd0[21] != 0) << 3) | ((spd0[3]-11) << 4);
-   	data |= ((spd0[17] / 4) << 6) | ((spd0[5] / 2) << 7) | 
+   	data |= ((spd0[17] / 4) << 6) | ((spd0[5] / 2) << 7) |
 		((((spd0[27] + 9) / 10) - 1) << 8) ;
-   	data |= (((((spd0[29] > spd0[28]) 
-		    ? spd0[29] : spd0[28]) + 9) / 10) - 1) << 10; 
+   	data |= (((((spd0[29] > spd0[28])
+		    ? spd0[29] : spd0[28]) + 9) / 10) - 1) << 10;
    	data |= ((spd0[30] - spd0[29] + 9) / 10 - 2) << 12;
-   
-   	if (spd0[18] & 0x08) 
+
+   	if (spd0[18] & 0x08)
 		data |= ((0x03) << 14);
    	else if (spd0[18] & 0x04)
 		data |= ((0x02) << 14);
@@ -1135,7 +1135,7 @@ static int pdc20621_prog_dimm0(struct ata_probe_ent *pe)
    	else
 		data |= (0 << 14);
 
-  	/* 
+  	/*
 	   Calculate the size of bDIMMSize (power of 2) and
 	   merge the DIMM size by program start/end address.
 	*/
@@ -1145,9 +1145,9 @@ static int pdc20621_prog_dimm0(struct ata_probe_ent *pe)
    	data |= (((size / 16) - 1) << 16);
    	data |= (0 << 23);
 	data |= 8;
-   	writel(data, mmio + PDC_DIMM0_CONTROL_OFFSET); 
+   	writel(data, mmio + PDC_DIMM0_CONTROL_OFFSET);
 	readl(mmio + PDC_DIMM0_CONTROL_OFFSET);
-   	return size;                          
+   	return size;
 }
 
 
@@ -1167,12 +1167,12 @@ static unsigned int pdc20621_prog_dimm_global(struct ata_probe_ent *pe)
 	  Refresh Enable (bit 17)
 	*/
 
-	data = 0x022259F1;   
+	data = 0x022259F1;
 	writel(data, mmio + PDC_SDRAM_CONTROL_OFFSET);
 	readl(mmio + PDC_SDRAM_CONTROL_OFFSET);
 
 	/* Turn on for ECC */
-	pdc20621_i2c_read(pe, PDC_DIMM0_SPD_DEV_ADDRESS, 
+	pdc20621_i2c_read(pe, PDC_DIMM0_SPD_DEV_ADDRESS,
 			  PDC_DIMM_SPD_TYPE, &spd0);
 	if (spd0 == 0x02) {
 		data |= (0x01 << 16);
@@ -1186,22 +1186,22 @@ static unsigned int pdc20621_prog_dimm_global(struct ata_probe_ent *pe)
    	data |= (1<<19);
    	writel(data, mmio + PDC_SDRAM_CONTROL_OFFSET);
 
-   	error = 1;                     
+   	error = 1;
    	for (i = 1; i <= 10; i++) {   /* polling ~5 secs */
 		data = readl(mmio + PDC_SDRAM_CONTROL_OFFSET);
 		if (!(data & (1<<19))) {
 	   		error = 0;
-	   		break;     
+	   		break;
 		}
 		msleep(i*100);
    	}
    	return error;
 }
-	
+
 
 static unsigned int pdc20621_dimm_init(struct ata_probe_ent *pe)
 {
-	int speed, size, length; 
+	int speed, size, length;
 	u32 addr,spd0,pci_status;
 	u32 tmp=0;
 	u32 time_period=0;
@@ -1228,7 +1228,7 @@ static unsigned int pdc20621_dimm_init(struct ata_probe_ent *pe)
 	/* Wait 3 seconds */
 	msleep(3000);
 
-	/* 
+	/*
 	   When timer is enabled, counter is decreased every internal
 	   clock cycle.
 	*/
@@ -1236,24 +1236,24 @@ static unsigned int pdc20621_dimm_init(struct ata_probe_ent *pe)
 	tcount = readl(mmio + PDC_TIME_COUNTER);
 	VPRINTK("Time Counter Register (0x44): 0x%x\n", tcount);
 
-	/* 
+	/*
 	   If SX4 is on PCI-X bus, after 3 seconds, the timer counter
 	   register should be >= (0xffffffff - 3x10^8).
 	*/
 	if(tcount >= PCI_X_TCOUNT) {
 		ticks = (time_period - tcount);
 		VPRINTK("Num counters 0x%x (%d)\n", ticks, ticks);
-	
+
 		clock = (ticks / 300000);
 		VPRINTK("10 * Internal clk = 0x%x (%d)\n", clock, clock);
-		
+
 		clock = (clock * 33);
 		VPRINTK("10 * Internal clk * 33 = 0x%x (%d)\n", clock, clock);
 
 		/* PLL F Param (bit 22:16) */
 		fparam = (1400000 / clock) - 2;
 		VPRINTK("PLL F Param: 0x%x (%d)\n", fparam, fparam);
-		
+
 		/* OD param = 0x2 (bit 31:30), R param = 0x5 (bit 29:25) */
 		pci_status = (0x8a001824 | (fparam << 16));
 	} else
@@ -1264,21 +1264,21 @@ static unsigned int pdc20621_dimm_init(struct ata_probe_ent *pe)
 	writel(pci_status, mmio + PDC_CTL_STATUS);
 	readl(mmio + PDC_CTL_STATUS);
 
-	/* 
+	/*
 	   Read SPD of DIMM by I2C interface,
 	   and program the DIMM Module Controller.
 	*/
  	if (!(speed = pdc20621_detect_dimm(pe))) {
-		printk(KERN_ERR "Detect Local DIMM Fail\n");  
+		printk(KERN_ERR "Detect Local DIMM Fail\n");
 		return 1;	/* DIMM error */
    	}
    	VPRINTK("Local DIMM Speed = %d\n", speed);
 
-   	/* Programming DIMM0 Module Control Register (index_CID0:80h) */ 
+   	/* Programming DIMM0 Module Control Register (index_CID0:80h) */
    	size = pdc20621_prog_dimm0(pe);
    	VPRINTK("Local DIMM Size = %dMB\n",size);
 
-   	/* Programming DIMM Module Global Control Register (index_CID0:88h) */ 
+   	/* Programming DIMM Module Global Control Register (index_CID0:88h) */
    	if (pdc20621_prog_dimm_global(pe)) {
 		printk(KERN_ERR "Programming DIMM Module Global Control Register Fail\n");
 		return 1;
@@ -1297,30 +1297,30 @@ static unsigned int pdc20621_dimm_init(struct ata_probe_ent *pe)
 
 		pdc20621_put_to_dimm(pe, (void *) test_parttern1, 0x10040, 40);
 		pdc20621_get_from_dimm(pe, (void *) test_parttern2, 0x40, 40);
-		printk(KERN_ERR "%x, %x, %s\n", test_parttern2[0], 
+		printk(KERN_ERR "%x, %x, %s\n", test_parttern2[0],
 		       test_parttern2[1], &(test_parttern2[2]));
-		pdc20621_get_from_dimm(pe, (void *) test_parttern2, 0x10040, 
+		pdc20621_get_from_dimm(pe, (void *) test_parttern2, 0x10040,
 				       40);
-		printk(KERN_ERR "%x, %x, %s\n", test_parttern2[0], 
+		printk(KERN_ERR "%x, %x, %s\n", test_parttern2[0],
 		       test_parttern2[1], &(test_parttern2[2]));
 
 		pdc20621_put_to_dimm(pe, (void *) test_parttern1, 0x40, 40);
 		pdc20621_get_from_dimm(pe, (void *) test_parttern2, 0x40, 40);
-		printk(KERN_ERR "%x, %x, %s\n", test_parttern2[0], 
+		printk(KERN_ERR "%x, %x, %s\n", test_parttern2[0],
 		       test_parttern2[1], &(test_parttern2[2]));
 	}
 #endif
 
 	/* ECC initiliazation. */
 
-	pdc20621_i2c_read(pe, PDC_DIMM0_SPD_DEV_ADDRESS, 
+	pdc20621_i2c_read(pe, PDC_DIMM0_SPD_DEV_ADDRESS,
 			  PDC_DIMM_SPD_TYPE, &spd0);
 	if (spd0 == 0x02) {
 		VPRINTK("Start ECC initialization\n");
 		addr = 0;
 		length = size * 1024 * 1024;
 		while (addr < length) {
-			pdc20621_put_to_dimm(pe, (void *) &tmp, addr, 
+			pdc20621_put_to_dimm(pe, (void *) &tmp, addr,
 					     sizeof(u32));
 			addr += sizeof(u32);
 		}
diff --git a/drivers/scsi/sata_uli.c b/drivers/scsi/sata_uli.c
index a71fb54eebd..eb202a73bc0 100644
--- a/drivers/scsi/sata_uli.c
+++ b/drivers/scsi/sata_uli.c
@@ -214,7 +214,7 @@ static int uli_init_one (struct pci_dev *pdev, const struct pci_device_id *ent)
 		rc = -ENOMEM;
 		goto err_out_regions;
 	}
-	
+
 	switch (board_idx) {
 	case uli_5287:
 		probe_ent->port[0].scr_addr = ULI5287_BASE;
diff --git a/drivers/scsi/sata_via.c b/drivers/scsi/sata_via.c
index f43183c19a1..feff1098048 100644
--- a/drivers/scsi/sata_via.c
+++ b/drivers/scsi/sata_via.c
@@ -347,7 +347,7 @@ static int svia_init_one (struct pci_dev *pdev, const struct pci_device_id *ent)
 		probe_ent = vt6420_init_probe_ent(pdev);
 	else
 		probe_ent = vt6421_init_probe_ent(pdev);
-	
+
 	if (!probe_ent) {
 		printk(KERN_ERR DRV_NAME "(%s): out of memory\n",
 		       pci_name(pdev));
diff --git a/drivers/scsi/sata_vsc.c b/drivers/scsi/sata_vsc.c
index c5e09dc6f3d..cb3a6d89cf0 100644
--- a/drivers/scsi/sata_vsc.c
+++ b/drivers/scsi/sata_vsc.c
@@ -342,7 +342,7 @@ static int __devinit vsc_sata_init_one (struct pci_dev *pdev, const struct pci_d
 
 	pci_set_master(pdev);
 
-	/* 
+	/*
 	 * Config offset 0x98 is "Extended Control and Status Register 0"
 	 * Default value is (1 << 28).  All bits except bit 28 are reserved in
 	 * DPA mode.  If bit 28 is set, LED 0 reflects all ports' activity.
diff --git a/include/linux/libata.h b/include/linux/libata.h
index 6cd9ba63563..85b0aaee0ef 100644
--- a/include/linux/libata.h
+++ b/include/linux/libata.h
@@ -644,7 +644,7 @@ static inline void scr_write(struct ata_port *ap, unsigned int reg, u32 val)
 	ap->ops->scr_write(ap, reg, val);
 }
 
-static inline void scr_write_flush(struct ata_port *ap, unsigned int reg, 
+static inline void scr_write_flush(struct ata_port *ap, unsigned int reg,
 				   u32 val)
 {
 	ap->ops->scr_write(ap, reg, val);