libata: don't use ap->ioaddr in non-SFF drivers

ap->ioaddr is to carry addresses for TF and BMDMA registers of a SFF
controller, don't abuse it in non-SFF controllers.

Signed-off-by: Tejun Heo <htejun@gmail.com>

1 files changed, 31 insertions, 29 deletions

diff --git a/drivers/ata/sata_sil24.c b/drivers/ata/sata_sil24.c
index 15a4067149b..6039614e956 100644
--- a/drivers/ata/sata_sil24.c
+++ b/drivers/ata/sata_sil24.c
@@ -467,9 +467,19 @@ static int sil24_tag(int tag)
 	return tag;
 }
 
+static unsigned long sil24_port_offset(struct ata_port *ap)
+{
+	return ap->port_no * PORT_REGS_SIZE;
+}
+
+static void __iomem *sil24_port_base(struct ata_port *ap)
+{
+	return ap->host->iomap[SIL24_PORT_BAR] + sil24_port_offset(ap);
+}
+
 static void sil24_dev_config(struct ata_device *dev)
 {
-	void __iomem *port = dev->link->ap->ioaddr.cmd_addr;
+	void __iomem *port = sil24_port_base(dev->link->ap);
 
 	if (dev->cdb_len == 16)
 		writel(PORT_CS_CDB16, port + PORT_CTRL_STAT);
@@ -479,7 +489,7 @@ static void sil24_dev_config(struct ata_device *dev)
 
 static void sil24_read_tf(struct ata_port *ap, int tag, struct ata_taskfile *tf)
 {
-	void __iomem *port = ap->ioaddr.cmd_addr;
+	void __iomem *port = sil24_port_base(ap);
 	struct sil24_prb __iomem *prb;
 	u8 fis[6 * 4];
 
@@ -497,7 +507,7 @@ static int sil24_scr_map[] = {
 
 static int sil24_scr_read(struct ata_port *ap, unsigned sc_reg, u32 *val)
 {
-	void __iomem *scr_addr = ap->ioaddr.scr_addr;
+	void __iomem *scr_addr = sil24_port_base(ap) + PORT_SCONTROL;
 
 	if (sc_reg < ARRAY_SIZE(sil24_scr_map)) {
 		void __iomem *addr;
@@ -510,7 +520,7 @@ static int sil24_scr_read(struct ata_port *ap, unsigned sc_reg, u32 *val)
 
 static int sil24_scr_write(struct ata_port *ap, unsigned sc_reg, u32 val)
 {
-	void __iomem *scr_addr = ap->ioaddr.scr_addr;
+	void __iomem *scr_addr = sil24_port_base(ap) + PORT_SCONTROL;
 
 	if (sc_reg < ARRAY_SIZE(sil24_scr_map)) {
 		void __iomem *addr;
@@ -523,7 +533,7 @@ static int sil24_scr_write(struct ata_port *ap, unsigned sc_reg, u32 val)
 
 static void sil24_config_port(struct ata_port *ap)
 {
-	void __iomem *port = ap->ioaddr.cmd_addr;
+	void __iomem *port = sil24_port_base(ap);
 
 	/* configure IRQ WoC */
 	if (ap->flags & SIL24_FLAG_PCIX_IRQ_WOC)
@@ -548,7 +558,7 @@ static void sil24_config_port(struct ata_port *ap)
 
 static void sil24_config_pmp(struct ata_port *ap, int attached)
 {
-	void __iomem *port = ap->ioaddr.cmd_addr;
+	void __iomem *port = sil24_port_base(ap);
 
 	if (attached)
 		writel(PORT_CS_PMP_EN, port + PORT_CTRL_STAT);
@@ -558,7 +568,7 @@ static void sil24_config_pmp(struct ata_port *ap, int attached)
 
 static void sil24_clear_pmp(struct ata_port *ap)
 {
-	void __iomem *port = ap->ioaddr.cmd_addr;
+	void __iomem *port = sil24_port_base(ap);
 	int i;
 
 	writel(PORT_CS_PMP_RESUME, port + PORT_CTRL_CLR);
@@ -573,7 +583,7 @@ static void sil24_clear_pmp(struct ata_port *ap)
 
 static int sil24_init_port(struct ata_port *ap)
 {
-	void __iomem *port = ap->ioaddr.cmd_addr;
+	void __iomem *port = sil24_port_base(ap);
 	struct sil24_port_priv *pp = ap->private_data;
 	u32 tmp;
 
@@ -601,7 +611,7 @@ static int sil24_exec_polled_cmd(struct ata_port *ap, int pmp,
 				 int is_cmd, u32 ctrl,
 				 unsigned long timeout_msec)
 {
-	void __iomem *port = ap->ioaddr.cmd_addr;
+	void __iomem *port = sil24_port_base(ap);
 	struct sil24_port_priv *pp = ap->private_data;
 	struct sil24_prb *prb = &pp->cmd_block[0].ata.prb;
 	dma_addr_t paddr = pp->cmd_block_dma;
@@ -706,7 +716,7 @@ static int sil24_hardreset(struct ata_link *link, unsigned int *class,
 			   unsigned long deadline)
 {
 	struct ata_port *ap = link->ap;
-	void __iomem *port = ap->ioaddr.cmd_addr;
+	void __iomem *port = sil24_port_base(ap);
 	struct sil24_port_priv *pp = ap->private_data;
 	int did_port_rst = 0;
 	const char *reason;
@@ -884,7 +894,7 @@ static unsigned int sil24_qc_issue(struct ata_queued_cmd *qc)
 {
 	struct ata_port *ap = qc->ap;
 	struct sil24_port_priv *pp = ap->private_data;
-	void __iomem *port = ap->ioaddr.cmd_addr;
+	void __iomem *port = sil24_port_base(ap);
 	unsigned int tag = sil24_tag(qc->tag);
 	dma_addr_t paddr;
 	void __iomem *activate;
@@ -939,7 +949,7 @@ static int sil24_pmp_hardreset(struct ata_link *link, unsigned int *class,
 
 static void sil24_freeze(struct ata_port *ap)
 {
-	void __iomem *port = ap->ioaddr.cmd_addr;
+	void __iomem *port = sil24_port_base(ap);
 
 	/* Port-wide IRQ mask in HOST_CTRL doesn't really work, clear
 	 * PORT_IRQ_ENABLE instead.
@@ -949,7 +959,7 @@ static void sil24_freeze(struct ata_port *ap)
 
 static void sil24_thaw(struct ata_port *ap)
 {
-	void __iomem *port = ap->ioaddr.cmd_addr;
+	void __iomem *port = sil24_port_base(ap);
 	u32 tmp;
 
 	/* clear IRQ */
@@ -962,7 +972,7 @@ static void sil24_thaw(struct ata_port *ap)
 
 static void sil24_error_intr(struct ata_port *ap)
 {
-	void __iomem *port = ap->ioaddr.cmd_addr;
+	void __iomem *port = sil24_port_base(ap);
 	struct sil24_port_priv *pp = ap->private_data;
 	struct ata_queued_cmd *qc = NULL;
 	struct ata_link *link;
@@ -1089,7 +1099,7 @@ static void sil24_error_intr(struct ata_port *ap)
 
 static inline void sil24_host_intr(struct ata_port *ap)
 {
-	void __iomem *port = ap->ioaddr.cmd_addr;
+	void __iomem *port = sil24_port_base(ap);
 	u32 slot_stat, qc_active;
 	int rc;
 
@@ -1209,6 +1219,9 @@ static int sil24_port_start(struct ata_port *ap)
 
 	ap->private_data = pp;
 
+	ata_port_pbar_desc(ap, SIL24_HOST_BAR, -1, "host");
+	ata_port_pbar_desc(ap, SIL24_PORT_BAR, sil24_port_offset(ap), "port");
+
 	return 0;
 }
 
@@ -1227,7 +1240,8 @@ static void sil24_init_controller(struct ata_host *host)
 	/* init ports */
 	for (i = 0; i < host->n_ports; i++) {
 		struct ata_port *ap = host->ports[i];
-		void __iomem *port = ap->ioaddr.cmd_addr;
+		void __iomem *port = sil24_port_base(ap);
+
 
 		/* Initial PHY setting */
 		writel(0x20c, port + PORT_PHY_CFG);
@@ -1260,7 +1274,7 @@ static int sil24_init_one(struct pci_dev *pdev, const struct pci_device_id *ent)
 	const struct ata_port_info *ppi[] = { &pi, NULL };
 	void __iomem * const *iomap;
 	struct ata_host *host;
-	int i, rc;
+	int rc;
 	u32 tmp;
 
 	/* cause link error if sil24_cmd_block is sized wrongly */
@@ -1300,18 +1314,6 @@ static int sil24_init_one(struct pci_dev *pdev, const struct pci_device_id *ent)
 		return -ENOMEM;
 	host->iomap = iomap;
 
-	for (i = 0; i < host->n_ports; i++) {
-		struct ata_port *ap = host->ports[i];
-		size_t offset = ap->port_no * PORT_REGS_SIZE;
-		void __iomem *port = iomap[SIL24_PORT_BAR] + offset;
-
-		host->ports[i]->ioaddr.cmd_addr = port;
-		host->ports[i]->ioaddr.scr_addr = port + PORT_SCONTROL;
-
-		ata_port_pbar_desc(ap, SIL24_HOST_BAR, -1, "host");
-		ata_port_pbar_desc(ap, SIL24_PORT_BAR, offset, "port");
-	}
-
 	/* configure and activate the device */
 	if (!pci_set_dma_mask(pdev, DMA_64BIT_MASK)) {
 		rc = pci_set_consistent_dma_mask(pdev, DMA_64BIT_MASK);