dm: sata: Move ataid into struct ahci_uc_priv

This array relates to the AHCI controller so should be exist out on its
own in the file. Move it into the structure. Adjust functions that need
access to this to take the structure as a parameter.

Signed-off-by: Simon Glass <sjg@chromium.org>
Reviewed-by: Bin Meng <bmeng.cn@gmail.com>

drivers/ata/ahci.c

@@ -25,7 +25,6 @@
 static int ata_io_flush(u8 port);
 
 struct ahci_uc_priv *probe_ent = NULL;
-u16 *ataid[AHCI_MAX_PORTS];
 
 #define writel_with_flush(a,b)	do { writel(a,b); readl(b); } while (0)
 
@@ -109,11 +108,11 @@ static int waiting_for_cmd_completed(void __iomem *offset,
 	return (i < timeout_msec) ? 0 : -1;
 }
 
-int __weak ahci_link_up(struct ahci_uc_priv *probe_ent, u8 port)
+int __weak ahci_link_up(struct ahci_uc_priv *uc_priv, u8 port)
 {
 	u32 tmp;
 	int j = 0;
-	void __iomem *port_mmio = probe_ent->port[port].port_mmio;
+	void __iomem *port_mmio = uc_priv->port[port].port_mmio;
 
 	/*
 	 * Bring up SATA link.
@@ -555,7 +554,7 @@ static int wait_spinup(void __iomem *port_mmio)
 	return -ETIMEDOUT;
 }
 
-static int ahci_port_start(u8 port)
+static int ahci_port_start(struct ahci_uc_priv *probe_ent, u8 port)
 {
 	struct ahci_ioports *pp = &(probe_ent->port[port]);
 	void __iomem *port_mmio = pp->port_mmio;
@@ -689,7 +688,8 @@ static char *ata_id_strcpy(u16 *target, u16 *src, int len)
 /*
  * SCSI INQUIRY command operation.
  */
-static int ata_scsiop_inquiry(struct scsi_cmd *pccb)
+static int ata_scsiop_inquiry(struct ahci_uc_priv *uc_priv,
+			      struct scsi_cmd *pccb)
 {
 	static const u8 hdr[] = {
 		0,
@@ -726,15 +726,15 @@ static int ata_scsiop_inquiry(struct scsi_cmd *pccb)
 		return -EIO;
 	}
 
-	if (!ataid[port]) {
-		ataid[port] = malloc(ATA_ID_WORDS * 2);
-		if (!ataid[port]) {
+	if (!uc_priv->ataid[port]) {
+		uc_priv->ataid[port] = malloc(ATA_ID_WORDS * 2);
+		if (!uc_priv->ataid[port]) {
 			printf("%s: No memory for ataid[port]\n", __func__);
 			return -ENOMEM;
 		}
 	}
 
-	idbuf = ataid[port];
+	idbuf = uc_priv->ataid[port];
 
 	memcpy(idbuf, tmpid, ATA_ID_WORDS * 2);
 	ata_swap_buf_le16(idbuf, ATA_ID_WORDS);
@@ -864,20 +864,21 @@ static int ata_scsiop_read_write(struct scsi_cmd *pccb, u8 is_write)
 /*
  * SCSI READ CAPACITY10 command operation.
  */
-static int ata_scsiop_read_capacity10(struct scsi_cmd *pccb)
+static int ata_scsiop_read_capacity10(struct ahci_uc_priv *uc_priv,
+				      struct scsi_cmd *pccb)
 {
 	u32 cap;
 	u64 cap64;
 	u32 block_size;
 
-	if (!ataid[pccb->target]) {
+	if (!uc_priv->ataid[pccb->target]) {
 		printf("scsi_ahci: SCSI READ CAPACITY10 command failure. "
 		       "\tNo ATA info!\n"
 		       "\tPlease run SCSI command INQUIRY first!\n");
 		return -EPERM;
 	}
 
-	cap64 = ata_id_n_sectors(ataid[pccb->target]);
+	cap64 = ata_id_n_sectors(uc_priv->ataid[pccb->target]);
 	if (cap64 > 0x100000000ULL)
 		cap64 = 0xffffffff;
 
@@ -894,19 +895,20 @@ static int ata_scsiop_read_capacity10(struct scsi_cmd *pccb)
 /*
  * SCSI READ CAPACITY16 command operation.
  */
-static int ata_scsiop_read_capacity16(struct scsi_cmd *pccb)
+static int ata_scsiop_read_capacity16(struct ahci_uc_priv *uc_priv,
+				      struct scsi_cmd *pccb)
 {
 	u64 cap;
 	u64 block_size;
 
-	if (!ataid[pccb->target]) {
+	if (!uc_priv->ataid[pccb->target]) {
 		printf("scsi_ahci: SCSI READ CAPACITY16 command failure. "
 		       "\tNo ATA info!\n"
 		       "\tPlease run SCSI command INQUIRY first!\n");
 		return -EPERM;
 	}
 
-	cap = ata_id_n_sectors(ataid[pccb->target]);
+	cap = ata_id_n_sectors(uc_priv->ataid[pccb->target]);
 	cap = cpu_to_be64(cap);
 	memcpy(pccb->pdata, &cap, sizeof(cap));
 
@@ -920,14 +922,16 @@ static int ata_scsiop_read_capacity16(struct scsi_cmd *pccb)
 /*
  * SCSI TEST UNIT READY command operation.
  */
-static int ata_scsiop_test_unit_ready(struct scsi_cmd *pccb)
+static int ata_scsiop_test_unit_ready(struct ahci_uc_priv *uc_priv,
+				      struct scsi_cmd *pccb)
 {
-	return (ataid[pccb->target]) ? 0 : -EPERM;
+	return (uc_priv->ataid[pccb->target]) ? 0 : -EPERM;
 }
 
 
 int scsi_exec(struct scsi_cmd *pccb)
 {
+	struct ahci_uc_priv *uc_priv = probe_ent;
 	int ret;
 
 	switch (pccb->cmd[0]) {
@@ -939,16 +943,16 @@ int scsi_exec(struct scsi_cmd *pccb)
 		ret = ata_scsiop_read_write(pccb, 1);
 		break;
 	case SCSI_RD_CAPAC10:
-		ret = ata_scsiop_read_capacity10(pccb);
+		ret = ata_scsiop_read_capacity10(uc_priv, pccb);
 		break;
 	case SCSI_RD_CAPAC16:
-		ret = ata_scsiop_read_capacity16(pccb);
+		ret = ata_scsiop_read_capacity16(uc_priv, pccb);
 		break;
 	case SCSI_TST_U_RDY:
-		ret = ata_scsiop_test_unit_ready(pccb);
+		ret = ata_scsiop_test_unit_ready(uc_priv, pccb);
 		break;
 	case SCSI_INQUIRY:
-		ret = ata_scsiop_inquiry(pccb);
+		ret = ata_scsiop_inquiry(uc_priv, pccb);
 		break;
 	default:
 		printf("Unsupport SCSI command 0x%02x\n", pccb->cmd[0]);
@@ -992,7 +996,7 @@ void scsi_low_level_init(int busdevfunc)
 
 	for (i = 0; i < CONFIG_SYS_SCSI_MAX_SCSI_ID; i++) {
 		if (((linkmap >> i) & 0x01)) {
-			if (ahci_port_start((u8) i)) {
+			if (ahci_port_start(probe_ent, (u8) i)) {
 				printf("Can not start port %d\n", i);
 				continue;
 			}
@@ -1035,7 +1039,7 @@ int ahci_init(void __iomem *base)
 
 	for (i = 0; i < CONFIG_SYS_SCSI_MAX_SCSI_ID; i++) {
 		if (((linkmap >> i) & 0x01)) {
-			if (ahci_port_start((u8) i)) {
+			if (ahci_port_start(probe_ent, (u8) i)) {
 				printf("Can not start port %d\n", i);
 				continue;
 			}

include/ahci.h

@@ -162,6 +162,7 @@ struct ahci_uc_priv {
 	pci_dev_t	dev;
 #endif
 	struct ahci_ioports	port[AHCI_MAX_PORTS];
+	u16 *ataid[AHCI_MAX_PORTS];
 	u32	n_ports;
 	u32	hard_port_no;
 	u32	host_flags;