ide: remove ->INB, ->OUTB and ->OUTBSYNC methods

* Remove no longer needed ->INB, ->OUTB and ->OUTBSYNC methods.

Then:

* Remove no longer used default_hwif_[mm]iops() and ide_[mm_]outbsync().

* Cleanup SuperIO handling in ns87415.c.

There should be no functional changes caused by this patch.

Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>

14 files changed, 15 insertions, 115 deletions

diff --git a/drivers/ide/arm/icside.c b/drivers/ide/arm/icside.c
index f73422dd8474..0fd01d630f12 100644
--- a/drivers/ide/arm/icside.c
+++ b/drivers/ide/arm/icside.c
@@ -469,8 +469,6 @@ icside_register_v5(struct icside_state *state, struct expansion_card *ec)
         if (!hwif)
                 return -ENODEV;
 
-        default_hwif_mmiops(hwif);
-
         state->hwif[0] = hwif;
 
         ecard_set_drvdata(ec, state);
@@ -547,14 +545,11 @@ icside_register_v6(struct icside_state *state, struct expansion_card *ec)
                 return -ENODEV;
 
         hwif->chipset = ide_acorn;
-        default_hwif_mmiops(hwif);
 
         idx[0] = hwif->index;
 
         mate = ide_find_port();
         if (mate) {
-                default_hwif_mmiops(mate);
-
                 hws[1] = &hw[1];
                 idx[1] = mate->index;
         }
diff --git a/drivers/ide/arm/palm_bk3710.c b/drivers/ide/arm/palm_bk3710.c
index 0229d794d909..545563bc7e23 100644
--- a/drivers/ide/arm/palm_bk3710.c
+++ b/drivers/ide/arm/palm_bk3710.c
@@ -399,8 +399,6 @@ static int __devinit palm_bk3710_probe(struct platform_device *pdev)
 
         i = hwif->index;
 
-        default_hwif_mmiops(hwif);
-
         idx[0] = i;
 
         ide_device_add(idx, &palm_bk3710_port_info, hws);
diff --git a/drivers/ide/arm/rapide.c b/drivers/ide/arm/rapide.c
index 01896f6e8acf..a45c2f694949 100644
--- a/drivers/ide/arm/rapide.c
+++ b/drivers/ide/arm/rapide.c
@@ -59,8 +59,6 @@ rapide_probe(struct expansion_card *ec, const struct ecard_id *id)
                 goto release;
         }
 
-        default_hwif_mmiops(hwif);
-
         idx[0] = hwif->index;
 
         ide_device_add(idx, &rapide_port_info, hws);
diff --git a/drivers/ide/h8300/ide-h8300.c b/drivers/ide/h8300/ide-h8300.c
index 548a2bf232c9..0795d6554913 100644
--- a/drivers/ide/h8300/ide-h8300.c
+++ b/drivers/ide/h8300/ide-h8300.c
@@ -171,8 +171,6 @@ static inline void hw_setup(hw_regs_t *hw)
 
 static inline void hwif_setup(ide_hwif_t *hwif)
 {
-        default_hwif_iops(hwif);
-
         hwif->tf_load = h8300_tf_load;
         hwif->tf_read = h8300_tf_read;
 
diff --git a/drivers/ide/ide-iops.c b/drivers/ide/ide-iops.c
index cb11c7861a50..6c54fe1f9841 100644
--- a/drivers/ide/ide-iops.c
+++ b/drivers/ide/ide-iops.c
@@ -42,18 +42,6 @@ static void ide_outb (u8 val, unsigned long port)
         outb(val, port);
 }
 
-static void ide_outbsync(ide_hwif_t *hwif, u8 addr, unsigned long port)
-{
-        outb(addr, port);
-}
-
-void default_hwif_iops (ide_hwif_t *hwif)
-{
-        hwif->OUTB      = ide_outb;
-        hwif->OUTBSYNC  = ide_outbsync;
-        hwif->INB       = ide_inb;
-}
-
 /*
  *      MMIO operations, typically used for SATA controllers
  */
@@ -68,22 +56,6 @@ static void ide_mm_outb (u8 value, unsigned long port)
         writeb(value, (void __iomem *) port);
 }
 
-static void ide_mm_outbsync(ide_hwif_t *hwif, u8 value, unsigned long port)
-{
-        writeb(value, (void __iomem *) port);
-}
-
-void default_hwif_mmiops (ide_hwif_t *hwif)
-{
-        hwif->OUTB      = ide_mm_outb;
-        /* Most systems will need to override OUTBSYNC, alas however
-           this one is controller specific! */
-        hwif->OUTBSYNC  = ide_mm_outbsync;
-        hwif->INB       = ide_mm_inb;
-}
-
-EXPORT_SYMBOL(default_hwif_mmiops);
-
 void SELECT_DRIVE (ide_drive_t *drive)
 {
         ide_hwif_t *hwif = drive->hwif;
diff --git a/drivers/ide/ide.c b/drivers/ide/ide.c
index b6018f7b0907..434dd02a4bdc 100644
--- a/drivers/ide/ide.c
+++ b/drivers/ide/ide.c
@@ -101,7 +101,6 @@ void ide_init_port_data(ide_hwif_t *hwif, unsigned int index)
 
         init_completion(&hwif->gendev_rel_comp);
 
-        default_hwif_iops(hwif);
         default_hwif_transport(hwif);
 
         ide_port_init_devices_data(hwif);
diff --git a/drivers/ide/legacy/ide_platform.c b/drivers/ide/legacy/ide_platform.c
index 609da0d43196..3d71e336a221 100644
--- a/drivers/ide/legacy/ide_platform.c
+++ b/drivers/ide/legacy/ide_platform.c
@@ -103,10 +103,8 @@ static int __devinit plat_ide_probe(struct platform_device *pdev)
         plat_ide_setup_ports(&hw, base, alt_base, pdata, res_irq->start);
         hw.dev = &pdev->dev;
 
-        if (mmio) {
+        if (mmio)
                 d.host_flags |= IDE_HFLAG_MMIO;
-                default_hwif_mmiops(hwif);
-        }
 
         idx[0] = hwif->index;
 
diff --git a/drivers/ide/mips/swarm.c b/drivers/ide/mips/swarm.c
index 6da6844d2d8c..c1ffb83a2de7 100644
--- a/drivers/ide/mips/swarm.c
+++ b/drivers/ide/mips/swarm.c
@@ -120,9 +120,6 @@ static int __devinit swarm_ide_probe(struct device *dev)
         if (hwif == NULL)
                 goto err;
 
-        /* Setup MMIO ops. */
-        default_hwif_mmiops(hwif);
-
         idx[0] = hwif->index;
 
         ide_device_add(idx, &swarm_port_info, hws);
diff --git a/drivers/ide/pci/ns87415.c b/drivers/ide/pci/ns87415.c
index b9bb8428b35e..02fd3a877afa 100644
--- a/drivers/ide/pci/ns87415.c
+++ b/drivers/ide/pci/ns87415.c
@@ -28,10 +28,6 @@
  */
 #include <asm/superio.h>
 
-static unsigned long superio_ide_status[2];
-static unsigned long superio_ide_select[2];
-static unsigned long superio_ide_dma_status[2];
-
 #define SUPERIO_IDE_MAX_RETRIES 25
 
 /* Because of a defect in Super I/O, all reads of the PCI DMA status 
@@ -40,27 +36,18 @@ static unsigned long superio_ide_dma_status[2];
  */
 static u8 superio_ide_inb (unsigned long port)
 {
-        if (port == superio_ide_status[0] ||
-            port == superio_ide_status[1] ||
-            port == superio_ide_select[0] ||
-            port == superio_ide_select[1] ||
-            port == superio_ide_dma_status[0] ||
-            port == superio_ide_dma_status[1]) {
-                u8 tmp;
-                int retries = SUPERIO_IDE_MAX_RETRIES;
-
-                /* printk(" [ reading port 0x%x with retry ] ", port); */
+        u8 tmp;
+        int retries = SUPERIO_IDE_MAX_RETRIES;
 
-                do {
-                        tmp = inb(port);
-                        if (tmp == 0)
-                                udelay(50);
-                } while (tmp == 0 && retries-- > 0);
+        /* printk(" [ reading port 0x%x with retry ] ", port); */
 
-                return tmp;
-        }
+        do {
+                tmp = inb(port);
+                if (tmp == 0)
+                        udelay(50);
+        } while (tmp == 0 && retries-- > 0);
 
-        return inb(port);
+        return tmp;
 }
 
 static u8 superio_read_status(ide_hwif_t *hwif)
@@ -120,27 +107,20 @@ static void superio_tf_read(ide_drive_t *drive, ide_task_t *task)
 static void __devinit superio_ide_init_iops (struct hwif_s *hwif)
 {
         struct pci_dev *pdev = to_pci_dev(hwif->dev);
-        u32 base, dmabase;
+        u32 dma_stat;
         u8 port = hwif->channel, tmp;
 
-        base = pci_resource_start(pdev, port * 2) & ~3;
-        dmabase = pci_resource_start(pdev, 4) & ~3;
-
-        superio_ide_status[port] = base + 7;
-        superio_ide_select[port] = base + 6;
-        superio_ide_dma_status[port] = dmabase + (!port ? 2 : 0xa);
+        dma_stat = (pci_resource_start(pdev, 4) & ~3) + (!port ? 2 : 0xa);
 
         /* Clear error/interrupt, enable dma */
-        tmp = superio_ide_inb(superio_ide_dma_status[port]);
-        outb(tmp | 0x66, superio_ide_dma_status[port]);
+        tmp = superio_ide_inb(dma_stat);
+        outb(tmp | 0x66, dma_stat);
 
         hwif->read_status         = superio_read_status;
         hwif->read_sff_dma_status = superio_read_sff_dma_status;
 
         hwif->tf_read = superio_tf_read;
 
-        /* We need to override inb to workaround a SuperIO errata */
-        hwif->INB = superio_ide_inb;
 }
 
 static void __devinit init_iops_ns87415(ide_hwif_t *hwif)
diff --git a/drivers/ide/pci/scc_pata.c b/drivers/ide/pci/scc_pata.c
index c110f359b03e..38765d9b0314 100644
--- a/drivers/ide/pci/scc_pata.c
+++ b/drivers/ide/pci/scc_pata.c
@@ -188,14 +188,6 @@ static void scc_ide_outb(u8 addr, unsigned long port)
         out_be32((void*)port, addr);
 }
 
-static void scc_ide_outbsync(ide_hwif_t *hwif, u8 addr, unsigned long port)
-{
-        out_be32((void*)port, addr);
-        eieio();
-        in_be32((void*)(hwif->dma_base + 0x01c));
-        eieio();
-}
-
 static void
 scc_ide_outsw(unsigned long port, void *addr, u32 count)
 {
@@ -829,10 +821,6 @@ static void __devinit init_mmio_iops_scc(ide_hwif_t *hwif)
         hwif->input_data  = scc_input_data;
         hwif->output_data = scc_output_data;
 
-        hwif->INB = scc_ide_inb;
-        hwif->OUTB = scc_ide_outb;
-        hwif->OUTBSYNC = scc_ide_outbsync;
-
         hwif->dma_base = dma_base;
         hwif->config_data = ports->ctl;
 }
diff --git a/drivers/ide/pci/sgiioc4.c b/drivers/ide/pci/sgiioc4.c
index 3005a6334a58..86f7c4901837 100644
--- a/drivers/ide/pci/sgiioc4.c
+++ b/drivers/ide/pci/sgiioc4.c
@@ -623,9 +623,6 @@ sgiioc4_ide_setup_pci_device(struct pci_dev *dev)
         if (hwif == NULL)
                 goto err;
 
-        /* The IOC4 uses MMIO rather than Port IO. */
-        default_hwif_mmiops(hwif);
-
         /* Initializing chipset IRQ Registers */
         writel(0x03, (void __iomem *)(irqport + IOC4_INTR_SET * 4));
 
diff --git a/drivers/ide/pci/siimage.c b/drivers/ide/pci/siimage.c
index 21d7137f7d6c..5965a35d94ae 100644
--- a/drivers/ide/pci/siimage.c
+++ b/drivers/ide/pci/siimage.c
@@ -601,7 +601,7 @@ static void __devinit init_mmio_iops_siimage(ide_hwif_t *hwif)
          *      Fill in the basic hwif bits
          */
         hwif->host_flags |= IDE_HFLAG_MMIO;
-        default_hwif_mmiops(hwif);
+
         hwif->hwif_data = addr;
 
         /*
diff --git a/drivers/ide/ppc/pmac.c b/drivers/ide/ppc/pmac.c
index a0d66480a797..ed073c6635a8 100644
--- a/drivers/ide/ppc/pmac.c
+++ b/drivers/ide/ppc/pmac.c
@@ -486,15 +486,6 @@ pmac_ide_do_update_timings(ide_drive_t *drive)
                 pmac_ide_selectproc(drive);
 }
 
-static void pmac_outbsync(ide_hwif_t *hwif, u8 value, unsigned long port)
-{
-        u32 tmp;
-        
-        writeb(value, (void __iomem *) port);
-        tmp = readl((void __iomem *)(hwif->io_ports.data_addr
-                                     + IDE_TIMING_CONFIG));
-}
-
 static void pmac_exec_command(ide_hwif_t *hwif, u8 cmd)
 {
         writeb(cmd, (void __iomem *)hwif->io_ports.command_addr);
@@ -1118,10 +1109,6 @@ static int __devinit pmac_ide_setup_device(pmac_ide_hwif_t *pmif, hw_regs_t *hw)
         hwif->exec_command = pmac_exec_command;
         hwif->set_irq      = pmac_set_irq;
 
-        /* Setup MMIO ops */
-        default_hwif_mmiops(hwif);
-        hwif->OUTBSYNC = pmac_outbsync;
-
         idx[0] = hwif->index;
 
         ide_device_add(idx, &d, hws);
diff --git a/include/linux/ide.h b/include/linux/ide.h
index fd05758e6995..0544ff7d9afc 100644
--- a/include/linux/ide.h
+++ b/include/linux/ide.h
@@ -504,11 +504,6 @@ typedef struct hwif_s {
 
         void (*ide_dma_clear_irq)(ide_drive_t *drive);
 
-        void (*OUTB)(u8 addr, unsigned long port);
-        void (*OUTBSYNC)(struct hwif_s *hwif, u8 addr, unsigned long port);
-
-        u8  (*INB)(unsigned long port);
-
         /* dma physical region descriptor table (cpu view) */
         unsigned int    *dmatable_cpu;
         /* dma physical region descriptor table (dma view) */
@@ -1027,8 +1022,6 @@ static inline int ide_hwif_setup_dma(ide_hwif_t *hwif,
 }
 #endif
 
-extern void default_hwif_iops(ide_hwif_t *);
-extern void default_hwif_mmiops(ide_hwif_t *);
 extern void default_hwif_transport(ide_hwif_t *);
 
 typedef struct ide_pci_enablebit_s {