ide: cleanup ide_find_port()

Remove no longer needed matching against I/O base and 'base' argument.

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

19 files changed, 21 insertions, 31 deletions

diff --git a/drivers/ide/arm/bast-ide.c b/drivers/ide/arm/bast-ide.c
index ec46c44b061c..3bd2c6dcd80b 100644
--- a/drivers/ide/arm/bast-ide.c
+++ b/drivers/ide/arm/bast-ide.c
@@ -41,7 +41,7 @@ static int __init bastide_register(unsigned int base, unsigned int aux, int irq)
         hw.io_ports[IDE_CONTROL_OFFSET] = aux + (6 * 0x20);
         hw.irq = irq;
 
-        hwif = ide_find_port(hw.io_ports[IDE_DATA_OFFSET]);
+        hwif = ide_find_port();
         if (hwif == NULL)
                 goto out;
 
diff --git a/drivers/ide/arm/icside.c b/drivers/ide/arm/icside.c
index e816b0ffcfe6..fd12bbe93f11 100644
--- a/drivers/ide/arm/icside.c
+++ b/drivers/ide/arm/icside.c
@@ -400,7 +400,7 @@ icside_setup(void __iomem *base, struct cardinfo *info, struct expansion_card *e
         unsigned long port = (unsigned long)base + info->dataoffset;
         ide_hwif_t *hwif;
 
-        hwif = ide_find_port(port);
+        hwif = ide_find_port();
         if (hwif) {
                 int i;
 
diff --git a/drivers/ide/arm/ide_arm.c b/drivers/ide/arm/ide_arm.c
index be9ff7334c52..82643df7c49a 100644
--- a/drivers/ide/arm/ide_arm.c
+++ b/drivers/ide/arm/ide_arm.c
@@ -34,7 +34,7 @@ static int __init ide_arm_init(void)
         ide_std_init_ports(&hw, IDE_ARM_IO, IDE_ARM_IO + 0x206);
         hw.irq = IDE_ARM_IRQ;
 
-        hwif = ide_find_port(hw.io_ports[IDE_DATA_OFFSET]);
+        hwif = ide_find_port();
         if (hwif) {
                 ide_init_port_hw(hwif, &hw);
                 idx[0] = hwif->index;
diff --git a/drivers/ide/arm/palm_bk3710.c b/drivers/ide/arm/palm_bk3710.c
index 420fcb78a7cd..caa419404daa 100644
--- a/drivers/ide/arm/palm_bk3710.c
+++ b/drivers/ide/arm/palm_bk3710.c
@@ -378,7 +378,7 @@ static int __devinit palm_bk3710_probe(struct platform_device *pdev)
         hw.irq = irq->start;
         hw.chipset = ide_palm3710;
 
-        hwif = ide_find_port(hw.io_ports[IDE_DATA_OFFSET]);
+        hwif = ide_find_port();
         if (hwif == NULL)
                 goto out;
 
diff --git a/drivers/ide/arm/rapide.c b/drivers/ide/arm/rapide.c
index b30adcf321c3..2c3d0ec91dc3 100644
--- a/drivers/ide/arm/rapide.c
+++ b/drivers/ide/arm/rapide.c
@@ -44,7 +44,7 @@ rapide_probe(struct expansion_card *ec, const struct ecard_id *id)
                 goto release;
         }
 
-        hwif = ide_find_port((unsigned long)base);
+        hwif = ide_find_port();
         if (hwif) {
                 memset(&hw, 0, sizeof(hw));
                 rapide_setup_ports(&hw, base, base + 0x818, 1 << 6, ec->irq);
diff --git a/drivers/ide/cris/ide-cris.c b/drivers/ide/cris/ide-cris.c
index 31266d278095..790a7759d455 100644
--- a/drivers/ide/cris/ide-cris.c
+++ b/drivers/ide/cris/ide-cris.c
@@ -804,7 +804,7 @@ static int __init init_e100_ide(void)
 
                 cris_setup_ports(&hw, cris_ide_base_address(h));
 
-                hwif = ide_find_port(hw.io_ports[IDE_DATA_OFFSET]);
+                hwif = ide_find_port();
                 if (hwif == NULL)
                         continue;
                 ide_init_port_data(hwif, hwif->index);
diff --git a/drivers/ide/h8300/ide-h8300.c b/drivers/ide/h8300/ide-h8300.c
index 4108ec4ffa7f..92b02b96d7db 100644
--- a/drivers/ide/h8300/ide-h8300.c
+++ b/drivers/ide/h8300/ide-h8300.c
@@ -99,8 +99,7 @@ static int __init h8300_ide_init(void)
 
         hw_setup(&hw);
 
-        /* register if */
-        hwif = ide_find_port(hw.io_ports[IDE_DATA_OFFSET]);
+        hwif = ide_find_port();
         if (hwif == NULL) {
                 printk(KERN_ERR "ide-h8300: IDE I/F register failed\n");
                 return -ENOENT;
diff --git a/drivers/ide/ide-generic.c b/drivers/ide/ide-generic.c
index 25fda0a3263f..f3ec02ed4492 100644
--- a/drivers/ide/ide-generic.c
+++ b/drivers/ide/ide-generic.c
@@ -33,7 +33,7 @@ static ssize_t store_add(struct class *cls, const char *buf, size_t n)
         if (sscanf(buf, "%x:%x:%d", &base, &ctl, &irq) != 3)
                 return -EINVAL;
 
-        hwif = ide_find_port(base);
+        hwif = ide_find_port();
         if (hwif == NULL)
                 return -ENOENT;
 
diff --git a/drivers/ide/ide-pnp.c b/drivers/ide/ide-pnp.c
index 34c2ad36ce54..efc193602bf8 100644
--- a/drivers/ide/ide-pnp.c
+++ b/drivers/ide/ide-pnp.c
@@ -38,7 +38,7 @@ static int idepnp_probe(struct pnp_dev * dev, const struct pnp_device_id *dev_id
                                 pnp_port_start(dev, 1));
         hw.irq = pnp_irq(dev, 0);
 
-        hwif = ide_find_port(hw.io_ports[IDE_DATA_OFFSET]);
+        hwif = ide_find_port();
         if (hwif) {
                 u8 index = hwif->index;
                 u8 idx[4] = { index, 0xff, 0xff, 0xff };
diff --git a/drivers/ide/ide.c b/drivers/ide/ide.c
index 917c72dcd33d..4ca511156a11 100644
--- a/drivers/ide/ide.c
+++ b/drivers/ide/ide.c
@@ -232,28 +232,19 @@ static int ide_system_bus_speed(void)
         return pci_dev_present(pci_default) ? 33 : 50;
 }
 
-ide_hwif_t * ide_find_port(unsigned long base)
+ide_hwif_t *ide_find_port(void)
 {
         ide_hwif_t *hwif;
         int i;
 
         for (i = 0; i < MAX_HWIFS; i++) {
                 hwif = &ide_hwifs[i];
-                if (hwif->io_ports[IDE_DATA_OFFSET] == base)
-                        goto found;
-        }
-
-        for (i = 0; i < MAX_HWIFS; i++) {
-                hwif = &ide_hwifs[i];
                 if (hwif->chipset == ide_unknown)
-                        goto found;
+                        return hwif;
         }
 
-        hwif = NULL;
-found:
-        return hwif;
+        return NULL;
 }
-
 EXPORT_SYMBOL_GPL(ide_find_port);
 
 static struct resource* hwif_request_region(ide_hwif_t *hwif,
diff --git a/drivers/ide/legacy/buddha.c b/drivers/ide/legacy/buddha.c
index fdd3791e465f..6956eb8f2d5f 100644
--- a/drivers/ide/legacy/buddha.c
+++ b/drivers/ide/legacy/buddha.c
@@ -221,7 +221,7 @@ fail_base2:
 
                         buddha_setup_ports(&hw, base, ctl, irq_port, ack_intr);
 
-                        hwif = ide_find_port(hw.io_ports[IDE_DATA_OFFSET]);
+                        hwif = ide_find_port();
                         if (hwif) {
                                 u8 index = hwif->index;
 
diff --git a/drivers/ide/legacy/falconide.c b/drivers/ide/legacy/falconide.c
index e950afa5939c..b88a3c192d84 100644
--- a/drivers/ide/legacy/falconide.c
+++ b/drivers/ide/legacy/falconide.c
@@ -76,7 +76,7 @@ static int __init falconide_init(void)
 
         falconide_setup_ports(&hw);
 
-        hwif = ide_find_port(hw.io_ports[IDE_DATA_OFFSET]);
+        hwif = ide_find_port();
         if (hwif) {
                 u8 index = hwif->index;
                 u8 idx[4] = { index, 0xff, 0xff, 0xff };
diff --git a/drivers/ide/legacy/gayle.c b/drivers/ide/legacy/gayle.c
index e3b4638cc883..fcc8d52bf2a1 100644
--- a/drivers/ide/legacy/gayle.c
+++ b/drivers/ide/legacy/gayle.c
@@ -175,7 +175,7 @@ found:
 
         gayle_setup_ports(&hw, base, ctrlport, irqport, ack_intr);
 
-        hwif = ide_find_port(base);
+        hwif = ide_find_port();
         if (hwif) {
             u8 index = hwif->index;
 
diff --git a/drivers/ide/legacy/ide-cs.c b/drivers/ide/legacy/ide-cs.c
index 9a23b94f2939..b97b8d51b3eb 100644
--- a/drivers/ide/legacy/ide-cs.c
+++ b/drivers/ide/legacy/ide-cs.c
@@ -156,7 +156,7 @@ static int idecs_register(unsigned long io, unsigned long ctl, unsigned long irq
     hw.chipset = ide_pci;
     hw.dev = &handle->dev;
 
-    hwif = ide_find_port(hw.io_ports[IDE_DATA_OFFSET]);
+    hwif = ide_find_port();
     if (hwif == NULL)
         return -1;
 
diff --git a/drivers/ide/legacy/ide_platform.c b/drivers/ide/legacy/ide_platform.c
index 361b1bb544bf..ffa57c1175d0 100644
--- a/drivers/ide/legacy/ide_platform.c
+++ b/drivers/ide/legacy/ide_platform.c
@@ -89,7 +89,7 @@ static int __devinit plat_ide_probe(struct platform_device *pdev)
                         res_alt->start, res_alt->end - res_alt->start + 1);
         }
 
-        hwif = ide_find_port((unsigned long)base);
+        hwif = ide_find_port();
         if (!hwif) {
                 ret = -ENODEV;
                 goto out;
diff --git a/drivers/ide/legacy/macide.c b/drivers/ide/legacy/macide.c
index eaf5dbe58bc2..7429b80cb089 100644
--- a/drivers/ide/legacy/macide.c
+++ b/drivers/ide/legacy/macide.c
@@ -120,7 +120,7 @@ static int __init macide_init(void)
 
         macide_setup_ports(&hw, base, irq, ack_intr);
 
-        hwif = ide_find_port(hw.io_ports[IDE_DATA_OFFSET]);
+        hwif = ide_find_port();
         if (hwif) {
                 u8 index = hwif->index;
                 u8 idx[4] = { index, 0xff, 0xff, 0xff };
diff --git a/drivers/ide/legacy/q40ide.c b/drivers/ide/legacy/q40ide.c
index 2da28759686e..fcbff0eced1b 100644
--- a/drivers/ide/legacy/q40ide.c
+++ b/drivers/ide/legacy/q40ide.c
@@ -137,7 +137,7 @@ static int __init q40ide_init(void)
 //                      m68kide_iops,
                         q40ide_default_irq(pcide_bases[i]));
 
-        hwif = ide_find_port(hw.io_ports[IDE_DATA_OFFSET]);
+        hwif = ide_find_port();
         if (hwif) {
                 ide_init_port_data(hwif, hwif->index);
                 ide_init_port_hw(hwif, &hw);
diff --git a/drivers/ide/pci/delkin_cb.c b/drivers/ide/pci/delkin_cb.c
index 961698d655eb..53857f809667 100644
--- a/drivers/ide/pci/delkin_cb.c
+++ b/drivers/ide/pci/delkin_cb.c
@@ -78,7 +78,7 @@ delkin_cb_probe (struct pci_dev *dev, const struct pci_device_id *id)
         hw.irq = dev->irq;
         hw.chipset = ide_pci;           /* this enables IRQ sharing */
 
-        hwif = ide_find_port(hw.io_ports[IDE_DATA_OFFSET]);
+        hwif = ide_find_port();
         if (hwif == NULL)
                 goto out_disable;
 
diff --git a/include/linux/ide.h b/include/linux/ide.h
index 5f3e82ae901a..c5728dd5d9d9 100644
--- a/include/linux/ide.h
+++ b/include/linux/ide.h
@@ -170,7 +170,7 @@ typedef struct hw_regs_s {
         struct device   *dev;
 } hw_regs_t;
 
-struct hwif_s * ide_find_port(unsigned long);
+struct hwif_s *ide_find_port(void);
 void ide_init_port_data(struct hwif_s *, unsigned int);
 void ide_init_port_hw(struct hwif_s *, hw_regs_t *);