Cleanup and lindent new AHCI driver.

drivers/ahci.c

@@ -44,6 +44,7 @@ hd_driveid_t *ataid[AHCI_MAX_PORTS];
 
 #define writel_with_flush(a,b)	do { writel(a,b); readl(b); } while (0)
 
+
 static inline u32 ahci_port_base(u32 base, u32 port)
 {
 	return base + 0x100 + (port * 0x80);
@@ -62,10 +63,14 @@ static void ahci_setup_port(struct ahci_ioports *port, unsigned long base,
 
 #define msleep(a) udelay(a * 1000)
 #define ssleep(a) msleep(a * 1000)
-static int waiting_for_cmd_completed(volatile u8 *offset, int timeout_msec, u32 sign)
+
+static int waiting_for_cmd_completed(volatile u8 *offset,
+				     int timeout_msec,
+				     u32 sign)
 {
 	int i;
 	u32 status;
+
 	for (i = 0; ((status = readl(offset)) & sign) && i < timeout_msec; i++)
 		msleep(1);
 
@@ -126,8 +131,7 @@ static int ahci_host_init(struct ahci_probe_ent *probe_ent)
 	for (i = 0; i < probe_ent->n_ports; i++) {
 		probe_ent->port[i].port_mmio = ahci_port_base((u32) mmio, i);
 		port_mmio = (u8 *) probe_ent->port[i].port_mmio;
-		ahci_setup_port(&probe_ent->port[i],
-				(unsigned long) mmio, i);
+		ahci_setup_port(&probe_ent->port[i], (unsigned long)mmio, i);
 
 		/* make sure port is not active */
 		tmp = readl(port_mmio + PORT_CMD);
@@ -222,43 +226,31 @@ static void ahci_print_info(struct ahci_probe_ent *probe_ent)
 		scc_s = "unknown";
 
 	printf("AHCI %02x%02x.%02x%02x "
-		"%u slots %u ports %s Gbps 0x%x impl %s mode\n"
-	       	,
-
+	       "%u slots %u ports %s Gbps 0x%x impl %s mode\n",
 	       (vers >> 24) & 0xff,
 	       (vers >> 16) & 0xff,
 	       (vers >> 8) & 0xff,
 	       vers & 0xff,
-
-		((cap >> 8) & 0x1f) + 1,
-		(cap & 0x1f) + 1,
-		speed_s,
-		impl,
-		scc_s);
+	       ((cap >> 8) & 0x1f) + 1, (cap & 0x1f) + 1, speed_s, impl, scc_s);
 
 	printf("flags: "
 	       "%s%s%s%s%s%s"
-	       	"%s%s%s%s%s%s%s\n"
-	       	,
-
+	       "%s%s%s%s%s%s%s\n",
 	       cap & (1 << 31) ? "64bit " : "",
 	       cap & (1 << 30) ? "ncq " : "",
 	       cap & (1 << 28) ? "ilck " : "",
 	       cap & (1 << 27) ? "stag " : "",
 	       cap & (1 << 26) ? "pm " : "",
 	       cap & (1 << 25) ? "led " : "",
-
 	       cap & (1 << 24) ? "clo " : "",
 	       cap & (1 << 19) ? "nz " : "",
 	       cap & (1 << 18) ? "only " : "",
 	       cap & (1 << 17) ? "pmp " : "",
 	       cap & (1 << 15) ? "pio " : "",
 	       cap & (1 << 14) ? "slum " : "",
-		cap & (1 << 13) ? "part " : ""
-		);
+	       cap & (1 << 13) ? "part " : "");
 }
 
-
 static int ahci_init_one(pci_dev_t pdev)
 {
 	u32 iobase, vendor;
@@ -273,8 +265,10 @@ static int ahci_init_one (pci_dev_t pdev)
 	pci_read_config_dword(pdev, AHCI_PCI_BAR, &iobase);
 	iobase &= ~0xf;
 
-	probe_ent->host_flags	= ATA_FLAG_SATA | ATA_FLAG_NO_LEGACY
-				  | ATA_FLAG_MMIO | ATA_FLAG_PIO_DMA
+	probe_ent->host_flags = ATA_FLAG_SATA
+				| ATA_FLAG_NO_LEGACY
+				| ATA_FLAG_MMIO
+				| ATA_FLAG_PIO_DMA
 				| ATA_FLAG_NO_ATAPI;
 	probe_ent->pio_mask = 0x1f;
 	probe_ent->udma_mask = 0x7f;	/*Fixme,assume to support UDMA6 */
@@ -304,9 +298,9 @@ err_out:
 
 
 #define MAX_DATA_BYTE_COUNT  (4*1024*1024)
+
 static int ahci_fill_sg(u8 port, unsigned char *buf, int buf_len)
 {
-
 	struct ahci_ioports *pp = &(probe_ent->port[port]);
 	struct ahci_sg *ahci_sg = pp->cmd_tbl_sg;
 	u32 sg_count;
@@ -318,9 +312,9 @@ static int ahci_fill_sg(u8 port, unsigned char *buf, int buf_len)
 		return -1;
 	}
 
-	for(i = 0;i < sg_count; i++)
-	{
-		ahci_sg->addr = cpu_to_le32((u32)buf + i * MAX_DATA_BYTE_COUNT);
+	for (i = 0; i < sg_count; i++) {
+		ahci_sg->addr =
+		    cpu_to_le32((u32) buf + i * MAX_DATA_BYTE_COUNT);
 		ahci_sg->addr_hi = 0;
 		ahci_sg->flags_size = cpu_to_le32(0x3fffff &
 					  (buf_len < MAX_DATA_BYTE_COUNT
@@ -345,7 +339,6 @@ static void ahci_fill_cmd_slot(struct ahci_ioports *pp, u32 opts)
 
 static void ahci_set_feature(u8 port)
 {
-
 	struct ahci_ioports *pp = &(probe_ent->port[port]);
 	volatile u8 *port_mmio = (volatile u8 *)pp->port_mmio;
 	u32 cmd_fis_len = 5;	/* five dwords */
@@ -372,7 +365,6 @@ static void ahci_set_feature(u8 port)
 
 static int ahci_port_start(u8 port)
 {
-
 	struct ahci_ioports *pp = &(probe_ent->port[port]);
 	volatile u8 *port_mmio = (volatile u8 *)pp->port_mmio;
 	u32 port_status;
@@ -394,22 +386,22 @@ static int ahci_port_start(u8 port)
 	}
 
 	mem = (mem + 0x800) & (~0x7ff);	/* Aligned to 2048-bytes */
-
 	memset((u8 *) mem, 0, AHCI_PORT_PRIV_DMA_SZ);
+
 	/*
 	 * First item in chunk of DMA memory: 32-slot command table,
 	 * 32 bytes each in size
 	 */
 	pp->cmd_slot = (struct ahci_cmd_hdr *)mem;
 	debug("cmd_slot = 0x%x\n", pp->cmd_slot);
-
 	mem += (AHCI_CMD_SLOT_SZ + 224);
+
 	/*
 	 * Second item: Received-FIS area
 	 */
 	pp->rx_fis = mem;
-
 	mem += AHCI_RX_FIS_SZ;
+
 	/*
 	 * Third item: data area for storing a single command
 	 * and its scatter-gather table
@@ -434,7 +426,8 @@ static int ahci_port_start(u8 port)
 }
 
 
-static int get_ahci_device_data(u8 port, u8 *fis, int fis_len, u8 *buf, int buf_len)
+static int get_ahci_device_data(u8 port, u8 *fis, int fis_len, u8 *buf,
+				int buf_len)
 {
 
 	struct ahci_ioports *pp = &(probe_ent->port[port]);
@@ -503,6 +496,7 @@ static void dump_ataid(hd_driveid_t *ataid)
 	debug("(93)ataid->hw_config = 0x%x\n", ataid->hw_config);
 }
 
+
 /*
  * SCSI INQUIRY command operation.
  */
@@ -577,7 +571,8 @@ static int ata_scsiop_read10(ccb *pccb)
 	 *
 	 * WARNING: one or two older ATA drives treat 0 as 0...
 	 */
-	if(!len) return 0;
+	if (!len)
+		return 0;
 	memset(fis, 0, 20);
 
 	/* Construct the FIS */
@@ -641,6 +636,7 @@ static int ata_scsiop_test_unit_ready(ccb *pccb)
 	return (ataid[pccb->target]) ? 0 : -EPERM;
 }
 
+
 int scsi_exec(ccb *pccb)
 {
 	int ret;