diff --git a/drivers/scsi/ahci.c b/drivers/scsi/ahci.c
index c562369..0c79caf 100644
--- a/drivers/scsi/ahci.c
+++ b/drivers/scsi/ahci.c
@@ -269,6 +269,8 @@
 	  board_ahci }, /* ESB2 */
 	{ PCI_VENDOR_ID_INTEL, 0x2683, PCI_ANY_ID, PCI_ANY_ID, 0, 0,
 	  board_ahci }, /* ESB2 */
+	{ PCI_VENDOR_ID_INTEL, 0x27c6, PCI_ANY_ID, PCI_ANY_ID, 0, 0,
+	  board_ahci }, /* ICH7-M DH */
 	{ }	/* terminate list */
 };
 
diff --git a/drivers/scsi/ata_piix.c b/drivers/scsi/ata_piix.c
index a2cfade..9f1bdfb 100644
--- a/drivers/scsi/ata_piix.c
+++ b/drivers/scsi/ata_piix.c
@@ -629,13 +629,13 @@
 	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 73b1f72..6e56af2 100644
--- a/drivers/scsi/libata-core.c
+++ b/drivers/scsi/libata-core.c
@@ -1304,12 +1304,12 @@
 /**
  * 	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 d90430b..91b68ee 100644
--- a/drivers/scsi/libata.h
+++ b/drivers/scsi/libata.h
@@ -72,7 +72,7 @@
 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_nv.c b/drivers/scsi/sata_nv.c
index b0403cc..9b91427 100644
--- a/drivers/scsi/sata_nv.c
+++ b/drivers/scsi/sata_nv.c
@@ -20,6 +20,12 @@
  *  If you do not delete the provisions above, a recipient may use your
  *  version of this file under either the OSL or the GPL.
  *
+ *  0.08
+ *     - Added support for MCP51 and MCP55.
+ *
+ *  0.07
+ *     - Added support for RAID class code.
+ *
  *  0.06
  *     - Added generic SATA support by using a pci_device_id that filters on
  *       the IDE storage class code.
@@ -48,7 +54,7 @@
 #include <linux/libata.h>
 
 #define DRV_NAME			"sata_nv"
-#define DRV_VERSION			"0.6"
+#define DRV_VERSION			"0.8"
 
 #define NV_PORTS			2
 #define NV_PIO_MASK			0x1f
@@ -116,7 +122,9 @@
 	GENERIC,
 	NFORCE2,
 	NFORCE3,
-	CK804
+	CK804,
+	MCP51,
+	MCP55
 };
 
 static struct pci_device_id nv_pci_tbl[] = {
@@ -134,9 +142,18 @@
 		PCI_ANY_ID, PCI_ANY_ID, 0, 0, CK804 },
 	{ PCI_VENDOR_ID_NVIDIA, PCI_DEVICE_ID_NVIDIA_NFORCE_MCP04_SATA2,
 		PCI_ANY_ID, PCI_ANY_ID, 0, 0, CK804 },
+	{ PCI_VENDOR_ID_NVIDIA, PCI_DEVICE_ID_NVIDIA_NFORCE_MCP51_SATA,
+		PCI_ANY_ID, PCI_ANY_ID, 0, 0, MCP51 },
+	{ PCI_VENDOR_ID_NVIDIA, PCI_DEVICE_ID_NVIDIA_NFORCE_MCP51_SATA2,
+		PCI_ANY_ID, PCI_ANY_ID, 0, 0, MCP51 },
+	{ PCI_VENDOR_ID_NVIDIA, PCI_DEVICE_ID_NVIDIA_NFORCE_MCP55_SATA,
+		PCI_ANY_ID, PCI_ANY_ID, 0, 0, MCP55 },
 	{ PCI_VENDOR_ID_NVIDIA, PCI_ANY_ID,
 		PCI_ANY_ID, PCI_ANY_ID,
 		PCI_CLASS_STORAGE_IDE<<8, 0xffff00, GENERIC },
+	{ PCI_VENDOR_ID_NVIDIA, PCI_ANY_ID,
+		PCI_ANY_ID, PCI_ANY_ID,
+		PCI_CLASS_STORAGE_RAID<<8, 0xffff00, GENERIC },
 	{ 0, } /* terminate list */
 };
 
diff --git a/drivers/scsi/sata_qstor.c b/drivers/scsi/sata_qstor.c
index 1383e8a..dca9ed7 100644
--- a/drivers/scsi/sata_qstor.c
+++ b/drivers/scsi/sata_qstor.c
@@ -431,7 +431,7 @@
 					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 49ed557a..a1b81d4 100644
--- a/drivers/scsi/sata_sil.c
+++ b/drivers/scsi/sata_sil.c
@@ -323,13 +323,13 @@
 	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 e418b89..b250ae0 100644
--- a/drivers/scsi/sata_sis.c
+++ b/drivers/scsi/sata_sis.c
@@ -234,7 +234,7 @@
 	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 858e071..6fd2ce1 100644
--- a/drivers/scsi/sata_svw.c
+++ b/drivers/scsi/sata_svw.c
@@ -195,18 +195,18 @@
 	/* 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 @@
 		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 efd7d7a..76644ea 100644
--- a/drivers/scsi/sata_sx4.c
+++ b/drivers/scsi/sata_sx4.c
@@ -94,7 +94,7 @@
 	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 @@
 	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 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 @@
 
 
 #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 @@
 	/* 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 @@
 
 	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 @@
 		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 @@
 	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 @@
 	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 @@
 		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 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 @@
 	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 @@
 	}
 
 	*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 @@
 	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 @@
 		{ 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 @@
 
 	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 @@
    	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 @@
    	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 @@
 	  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 @@
    	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 @@
 	/* Wait 3 seconds */
 	msleep(3000);
 
-	/* 
+	/*
 	   When timer is enabled, counter is decreased every internal
 	   clock cycle.
 	*/
@@ -1236,24 +1236,24 @@
 	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 @@
 	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 @@
 
 		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 a71fb54..eb202a7 100644
--- a/drivers/scsi/sata_uli.c
+++ b/drivers/scsi/sata_uli.c
@@ -214,7 +214,7 @@
 		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 f43183c..feff109 100644
--- a/drivers/scsi/sata_via.c
+++ b/drivers/scsi/sata_via.c
@@ -347,7 +347,7 @@
 		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 c5e09dc..cb3a6d8 100644
--- a/drivers/scsi/sata_vsc.c
+++ b/drivers/scsi/sata_vsc.c
@@ -342,7 +342,7 @@
 
 	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 6cd9ba63..85b0aae 100644
--- a/include/linux/libata.h
+++ b/include/linux/libata.h
@@ -644,7 +644,7 @@
 	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);
diff --git a/include/linux/pci_ids.h b/include/linux/pci_ids.h
index bc4cc10..639291fe 100644
--- a/include/linux/pci_ids.h
+++ b/include/linux/pci_ids.h
@@ -1249,6 +1249,7 @@
 #define PCI_DEVICE_ID_NVIDIA_NFORCE_MCP51_SATA	0x0266
 #define PCI_DEVICE_ID_NVIDIA_NFORCE_MCP51_SATA2	0x0267
 #define PCI_DEVICE_ID_NVIDIA_NFORCE_MCP55_IDE	0x036E
+#define PCI_DEVICE_ID_NVIDIA_NFORCE_MCP55_SATA	0x036F
 #define PCI_DEVICE_ID_NVIDIA_NVENET_12		0x0268
 #define PCI_DEVICE_ID_NVIDIA_NVENET_13		0x0269
 #define PCI_DEVICE_ID_NVIDIA_MCP51_AUDIO	0x026B