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>

3 files changed, 36 insertions, 44 deletions

diff --git a/drivers/ata/ahci.c b/drivers/ata/ahci.c
index 9642a7103cb6..6281f7f9eae6 100644
--- a/drivers/ata/ahci.c
+++ b/drivers/ata/ahci.c
@@ -1179,7 +1179,7 @@ static void ahci_fill_cmd_slot(struct ahci_port_priv *pp, unsigned int tag,
 
 static int ahci_kick_engine(struct ata_port *ap, int force_restart)
 {
-        void __iomem *port_mmio = ap->ioaddr.cmd_addr;
+        void __iomem *port_mmio = ahci_port_base(ap);
         struct ahci_host_priv *hpriv = ap->host->private_data;
         u8 status = readl(port_mmio + PORT_TFDATA) & 0xFF;
         u32 tmp;
@@ -1255,8 +1255,8 @@ static int ahci_exec_polled_cmd(struct ata_port *ap, int pmp,
 
 static int ahci_check_ready(struct ata_link *link)
 {
-        void __iomem *mmio = link->ap->ioaddr.cmd_addr;
-        u8 status = readl(mmio + PORT_TFDATA) & 0xFF;
+        void __iomem *port_mmio = ahci_port_base(link->ap);
+        u8 status = readl(port_mmio + PORT_TFDATA) & 0xFF;
 
         if (!(status & ATA_BUSY))
                 return 1;
@@ -1616,7 +1616,7 @@ static void ahci_error_intr(struct ata_port *ap, u32 irq_stat)
 
 static void ahci_port_intr(struct ata_port *ap)
 {
-        void __iomem *port_mmio = ap->ioaddr.cmd_addr;
+        void __iomem *port_mmio = ahci_port_base(ap);
         struct ata_eh_info *ehi = &ap->link.eh_info;
         struct ahci_port_priv *pp = ap->private_data;
         struct ahci_host_priv *hpriv = ap->host->private_data;
@@ -2210,7 +2210,6 @@ static int ahci_init_one(struct pci_dev *pdev, const struct pci_device_id *ent)
 
         for (i = 0; i < host->n_ports; i++) {
                 struct ata_port *ap = host->ports[i];
-                void __iomem *port_mmio = ahci_port_base(ap);
 
                 ata_port_pbar_desc(ap, AHCI_PCI_BAR, -1, "abar");
                 ata_port_pbar_desc(ap, AHCI_PCI_BAR,
@@ -2219,12 +2218,8 @@ static int ahci_init_one(struct pci_dev *pdev, const struct pci_device_id *ent)
                 /* set initial link pm policy */
                 ap->pm_policy = NOT_AVAILABLE;
 
-                /* standard SATA port setup */
-                if (hpriv->port_map & (1 << i))
-                        ap->ioaddr.cmd_addr = port_mmio;
-
                 /* disabled/not-implemented port */
-                else
+                if (!(hpriv->port_map & (1 << i)))
                         ap->ops = &ata_dummy_port_ops;
         }
 
diff --git a/drivers/ata/sata_fsl.c b/drivers/ata/sata_fsl.c
index 0cb0a57ddb36..9c4e6a6698c2 100644
--- a/drivers/ata/sata_fsl.c
+++ b/drivers/ata/sata_fsl.c
@@ -1222,11 +1222,6 @@ static int sata_fsl_probe(struct of_device *ofdev,
         /* host->iomap is not used currently */
         host->private_data = host_priv;
 
-        /* setup port(s) */
-
-        host->ports[0]->ioaddr.cmd_addr = host_priv->hcr_base;
-        host->ports[0]->ioaddr.scr_addr = host_priv->ssr_base;
-
         /* initialize host controller */
         sata_fsl_init_controller(host);
 
diff --git a/drivers/ata/sata_sil24.c b/drivers/ata/sata_sil24.c
index 15a4067149b7..6039614e956c 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);