[libata] checkpatch-inspired cleanups

Tackle the relatively sane complaints of checkpatch --file.

The vast majority is indentation and whitespace changes, the rest are

* #include fixes
* printk KERN_xxx prefix addition
* BSS/initializer cleanups

Signed-off-by: Jeff Garzik <jgarzik@redhat.com>
diff --git a/drivers/ata/libata-scsi.c b/drivers/ata/libata-scsi.c
index 5b758b9..f5d5420 100644
--- a/drivers/ata/libata-scsi.c
+++ b/drivers/ata/libata-scsi.c
@@ -45,7 +45,7 @@
 #include <scsi/scsi_transport.h>
 #include <linux/libata.h>
 #include <linux/hdreg.h>
-#include <asm/uaccess.h>
+#include <linux/uaccess.h>
 
 #include "libata.h"
 
@@ -53,9 +53,9 @@
 
 typedef unsigned int (*ata_xlat_func_t)(struct ata_queued_cmd *qc);
 
-static struct ata_device * __ata_scsi_find_dev(struct ata_port *ap,
+static struct ata_device *__ata_scsi_find_dev(struct ata_port *ap,
 					const struct scsi_device *scsidev);
-static struct ata_device * ata_scsi_find_dev(struct ata_port *ap,
+static struct ata_device *ata_scsi_find_dev(struct ata_port *ap,
 					    const struct scsi_device *scsidev);
 static int ata_scsi_user_scan(struct Scsi_Host *shost, unsigned int channel,
 			      unsigned int id, unsigned int lun);
@@ -228,7 +228,7 @@
 
 		scsi_cmd[1]  = (4 << 1); /* PIO Data-in */
 		scsi_cmd[2]  = 0x0e;     /* no off.line or cc, read from dev,
-		                            block count in sector count field */
+					    block count in sector count field */
 		data_dir = DMA_FROM_DEVICE;
 	} else {
 		scsi_cmd[1]  = (3 << 1); /* Non-data */
@@ -252,7 +252,7 @@
 	/* Good values for timeout and retries?  Values below
 	   from scsi_ioctl_send_command() for default case... */
 	cmd_result = scsi_execute(scsidev, scsi_cmd, data_dir, argbuf, argsize,
-	                          sensebuf, (10*HZ), 5, 0);
+				  sensebuf, (10*HZ), 5, 0);
 
 	if (driver_byte(cmd_result) == DRIVER_SENSE) {/* sense data available */
 		u8 *desc = sensebuf + 8;
@@ -263,18 +263,18 @@
 		if (cmd_result & SAM_STAT_CHECK_CONDITION) {
 			struct scsi_sense_hdr sshdr;
 			scsi_normalize_sense(sensebuf, SCSI_SENSE_BUFFERSIZE,
-			                      &sshdr);
-			if (sshdr.sense_key==0 &&
-			    sshdr.asc==0 && sshdr.ascq==0)
+					     &sshdr);
+			if (sshdr.sense_key == 0 &&
+			    sshdr.asc == 0 && sshdr.ascq == 0)
 				cmd_result &= ~SAM_STAT_CHECK_CONDITION;
 		}
 
 		/* Send userspace a few ATA registers (same as drivers/ide) */
-		if (sensebuf[0] == 0x72 &&     /* format is "descriptor" */
-		    desc[0] == 0x09 ) {        /* code is "ATA Descriptor" */
-			args[0] = desc[13];    /* status */
-			args[1] = desc[3];     /* error */
-			args[2] = desc[5];     /* sector count (0:7) */
+		if (sensebuf[0] == 0x72 &&	/* format is "descriptor" */
+		    desc[0] == 0x09) {		/* code is "ATA Descriptor" */
+			args[0] = desc[13];	/* status */
+			args[1] = desc[3];	/* error */
+			args[2] = desc[5];	/* sector count (0:7) */
 			if (copy_to_user(arg, args, sizeof(args)))
 				rc = -EFAULT;
 		}
@@ -350,8 +350,8 @@
 			struct scsi_sense_hdr sshdr;
 			scsi_normalize_sense(sensebuf, SCSI_SENSE_BUFFERSIZE,
 						&sshdr);
-			if (sshdr.sense_key==0 &&
-				sshdr.asc==0 && sshdr.ascq==0)
+			if (sshdr.sense_key == 0 &&
+				sshdr.asc == 0 && sshdr.ascq == 0)
 				cmd_result &= ~SAM_STAT_CHECK_CONDITION;
 		}
 
@@ -975,7 +975,7 @@
 		if ((qc->dev->flags & ATA_DFLAG_SPUNDOWN) &&
 		    (system_state == SYSTEM_HALT ||
 		     system_state == SYSTEM_POWER_OFF)) {
-			static unsigned long warned = 0;
+			static unsigned long warned;
 
 			if (!test_and_set_bit(0, &warned)) {
 				ata_dev_printk(qc->dev, KERN_WARNING,
@@ -1364,7 +1364,7 @@
 	struct ata_eh_info *ehi = &qc->dev->link->eh_info;
 	struct scsi_cmnd *cmd = qc->scsicmd;
 	u8 *cdb = cmd->cmnd;
- 	int need_sense = (qc->err_mask != 0);
+	int need_sense = (qc->err_mask != 0);
 
 	/* We snoop the SET_FEATURES - Write Cache ON/OFF command, and
 	 * schedule EH_REVALIDATE operation to update the IDENTIFY DEVICE
@@ -1396,7 +1396,7 @@
 	 * was no error, SK, ASC and ASCQ will all be zero.
 	 */
 	if (((cdb[0] == ATA_16) || (cdb[0] == ATA_12)) &&
- 	    ((cdb[2] & 0x20) || need_sense)) {
+	    ((cdb[2] & 0x20) || need_sense)) {
 		ata_gen_passthru_sense(qc);
 	} else {
 		if (!need_sense) {
@@ -1500,7 +1500,7 @@
 	return 0;
 
 early_finish:
-        ata_qc_free(qc);
+	ata_qc_free(qc);
 	qc->scsidone(cmd);
 	DPRINTK("EXIT - early finish (good or error)\n");
 	return 0;
@@ -1590,8 +1590,8 @@
  */
 
 void ata_scsi_rbuf_fill(struct ata_scsi_args *args,
-		        unsigned int (*actor) (struct ata_scsi_args *args,
-			     		   u8 *rbuf, unsigned int buflen))
+			unsigned int (*actor) (struct ata_scsi_args *args,
+					       u8 *rbuf, unsigned int buflen))
 {
 	u8 *rbuf;
 	unsigned int buflen, rc;
@@ -2140,7 +2140,7 @@
  *	None.
  */
 unsigned int ata_scsiop_read_cap(struct ata_scsi_args *args, u8 *rbuf,
-			        unsigned int buflen)
+				 unsigned int buflen)
 {
 	u64 last_lba = args->dev->n_sectors - 1; /* LBA of the last block */
 
@@ -2464,7 +2464,7 @@
 	return 0;
 }
 
-static struct ata_device * ata_find_dev(struct ata_port *ap, int devno)
+static struct ata_device *ata_find_dev(struct ata_port *ap, int devno)
 {
 	if (ap->nr_pmp_links == 0) {
 		if (likely(devno < ata_link_max_devices(&ap->link)))
@@ -2477,8 +2477,8 @@
 	return NULL;
 }
 
-static struct ata_device * __ata_scsi_find_dev(struct ata_port *ap,
-					const struct scsi_device *scsidev)
+static struct ata_device *__ata_scsi_find_dev(struct ata_port *ap,
+					      const struct scsi_device *scsidev)
 {
 	int devno;
 
@@ -2564,27 +2564,27 @@
 ata_scsi_map_proto(u8 byte1)
 {
 	switch((byte1 & 0x1e) >> 1) {
-		case 3:		/* Non-data */
-			return ATA_PROT_NODATA;
+	case 3:		/* Non-data */
+		return ATA_PROT_NODATA;
 
-		case 6:		/* DMA */
-		case 10:	/* UDMA Data-in */
-		case 11:	/* UDMA Data-Out */
-			return ATA_PROT_DMA;
+	case 6:		/* DMA */
+	case 10:	/* UDMA Data-in */
+	case 11:	/* UDMA Data-Out */
+		return ATA_PROT_DMA;
 
-		case 4:		/* PIO Data-in */
-		case 5:		/* PIO Data-out */
-			return ATA_PROT_PIO;
+	case 4:		/* PIO Data-in */
+	case 5:		/* PIO Data-out */
+		return ATA_PROT_PIO;
 
-		case 0:		/* Hard Reset */
-		case 1:		/* SRST */
-		case 8:		/* Device Diagnostic */
-		case 9:		/* Device Reset */
-		case 7:		/* DMA Queued */
-		case 12:	/* FPDMA */
-		case 15:	/* Return Response Info */
-		default:	/* Reserved */
-			break;
+	case 0:		/* Hard Reset */
+	case 1:		/* SRST */
+	case 8:		/* Device Diagnostic */
+	case 9:		/* Device Reset */
+	case 7:		/* DMA Queued */
+	case 12:	/* FPDMA */
+	case 15:	/* Return Response Info */
+	default:	/* Reserved */
+		break;
 	}
 
 	return ATA_PROT_UNKNOWN;
@@ -2919,94 +2919,94 @@
 	args.done = done;
 
 	switch(scsicmd[0]) {
-		/* TODO: worth improving? */
-		case FORMAT_UNIT:
+	/* TODO: worth improving? */
+	case FORMAT_UNIT:
+		ata_scsi_invalid_field(cmd, done);
+		break;
+
+	case INQUIRY:
+		if (scsicmd[1] & 2)	           /* is CmdDt set?  */
 			ata_scsi_invalid_field(cmd, done);
+		else if ((scsicmd[1] & 1) == 0)    /* is EVPD clear? */
+			ata_scsi_rbuf_fill(&args, ata_scsiop_inq_std);
+		else switch (scsicmd[2]) {
+		case 0x00:
+			ata_scsi_rbuf_fill(&args, ata_scsiop_inq_00);
 			break;
-
-		case INQUIRY:
-			if (scsicmd[1] & 2)	           /* is CmdDt set?  */
-				ata_scsi_invalid_field(cmd, done);
-			else if ((scsicmd[1] & 1) == 0)    /* is EVPD clear? */
-				ata_scsi_rbuf_fill(&args, ata_scsiop_inq_std);
-			else switch (scsicmd[2]) {
-			case 0x00:
-				ata_scsi_rbuf_fill(&args, ata_scsiop_inq_00);
-				break;
-			case 0x80:
-				ata_scsi_rbuf_fill(&args, ata_scsiop_inq_80);
-				break;
-			case 0x83:
-				ata_scsi_rbuf_fill(&args, ata_scsiop_inq_83);
-				break;
-			case 0x89:
-				ata_scsi_rbuf_fill(&args, ata_scsiop_inq_89);
-				break;
-			default:
-				ata_scsi_invalid_field(cmd, done);
-				break;
-			}
+		case 0x80:
+			ata_scsi_rbuf_fill(&args, ata_scsiop_inq_80);
 			break;
-
-		case MODE_SENSE:
-		case MODE_SENSE_10:
-			ata_scsi_rbuf_fill(&args, ata_scsiop_mode_sense);
+		case 0x83:
+			ata_scsi_rbuf_fill(&args, ata_scsiop_inq_83);
 			break;
-
-		case MODE_SELECT:	/* unconditionally return */
-		case MODE_SELECT_10:	/* bad-field-in-cdb */
-			ata_scsi_invalid_field(cmd, done);
+		case 0x89:
+			ata_scsi_rbuf_fill(&args, ata_scsiop_inq_89);
 			break;
-
-		case READ_CAPACITY:
-			ata_scsi_rbuf_fill(&args, ata_scsiop_read_cap);
-			break;
-
-		case SERVICE_ACTION_IN:
-			if ((scsicmd[1] & 0x1f) == SAI_READ_CAPACITY_16)
-				ata_scsi_rbuf_fill(&args, ata_scsiop_read_cap);
-			else
-				ata_scsi_invalid_field(cmd, done);
-			break;
-
-		case REPORT_LUNS:
-			ata_scsi_rbuf_fill(&args, ata_scsiop_report_luns);
-			break;
-
-		case REQUEST_SENSE:
-			ata_scsi_set_sense(cmd, 0, 0, 0);
-			cmd->result = (DRIVER_SENSE << 24);
-			done(cmd);
-			break;
-
-		/* if we reach this, then writeback caching is disabled,
-		 * turning this into a no-op.
-		 */
-		case SYNCHRONIZE_CACHE:
-			/* fall through */
-
-		/* no-op's, complete with success */
-		case REZERO_UNIT:
-		case SEEK_6:
-		case SEEK_10:
-		case TEST_UNIT_READY:
-			ata_scsi_rbuf_fill(&args, ata_scsiop_noop);
-			break;
-
-		case SEND_DIAGNOSTIC:
-			tmp8 = scsicmd[1] & ~(1 << 3);
-			if ((tmp8 == 0x4) && (!scsicmd[3]) && (!scsicmd[4]))
-				ata_scsi_rbuf_fill(&args, ata_scsiop_noop);
-			else
-				ata_scsi_invalid_field(cmd, done);
-			break;
-
-		/* all other commands */
 		default:
-			ata_scsi_set_sense(cmd, ILLEGAL_REQUEST, 0x20, 0x0);
-			/* "Invalid command operation code" */
-			done(cmd);
+			ata_scsi_invalid_field(cmd, done);
 			break;
+		}
+		break;
+
+	case MODE_SENSE:
+	case MODE_SENSE_10:
+		ata_scsi_rbuf_fill(&args, ata_scsiop_mode_sense);
+		break;
+
+	case MODE_SELECT:	/* unconditionally return */
+	case MODE_SELECT_10:	/* bad-field-in-cdb */
+		ata_scsi_invalid_field(cmd, done);
+		break;
+
+	case READ_CAPACITY:
+		ata_scsi_rbuf_fill(&args, ata_scsiop_read_cap);
+		break;
+
+	case SERVICE_ACTION_IN:
+		if ((scsicmd[1] & 0x1f) == SAI_READ_CAPACITY_16)
+			ata_scsi_rbuf_fill(&args, ata_scsiop_read_cap);
+		else
+			ata_scsi_invalid_field(cmd, done);
+		break;
+
+	case REPORT_LUNS:
+		ata_scsi_rbuf_fill(&args, ata_scsiop_report_luns);
+		break;
+
+	case REQUEST_SENSE:
+		ata_scsi_set_sense(cmd, 0, 0, 0);
+		cmd->result = (DRIVER_SENSE << 24);
+		done(cmd);
+		break;
+
+	/* if we reach this, then writeback caching is disabled,
+	 * turning this into a no-op.
+	 */
+	case SYNCHRONIZE_CACHE:
+		/* fall through */
+
+	/* no-op's, complete with success */
+	case REZERO_UNIT:
+	case SEEK_6:
+	case SEEK_10:
+	case TEST_UNIT_READY:
+		ata_scsi_rbuf_fill(&args, ata_scsiop_noop);
+		break;
+
+	case SEND_DIAGNOSTIC:
+		tmp8 = scsicmd[1] & ~(1 << 3);
+		if ((tmp8 == 0x4) && (!scsicmd[3]) && (!scsicmd[4]))
+			ata_scsi_rbuf_fill(&args, ata_scsiop_noop);
+		else
+			ata_scsi_invalid_field(cmd, done);
+		break;
+
+	/* all other commands */
+	default:
+		ata_scsi_set_sense(cmd, ILLEGAL_REQUEST, 0x20, 0x0);
+		/* "Invalid command operation code" */
+		done(cmd);
+		break;
 	}
 }