Merge git://git.kernel.org/pub/scm/linux/kernel/git/bart/ide-2.6

* git://git.kernel.org/pub/scm/linux/kernel/git/bart/ide-2.6: (63 commits)
  ide: remove REQ_TYPE_ATA_CMD
  ide: switch ide_cmd_ioctl() to use REQ_TYPE_ATA_TASKFILE requests
  ide: switch set_xfer_rate() to use REQ_TYPE_ATA_TASKFILE requests
  ide: fix final status check in drive_cmd_intr()
  ide: check BUSY and ERROR status bits before reading data in drive_cmd_intr()
  ide: don't enable local IRQs for PIO-in in driver_cmd_intr() (take 2)
  ide: convert "empty" REQ_TYPE_ATA_CMD requests to use REQ_TYPE_ATA_TASKFILE
  ide: initialize rq->cmd_type in ide_init_drive_cmd() callers
  ide: use wait_drive_not_busy() in drive_cmd_intr() (take 2)
  ide: kill DATA_READY define
  ide: task_end_request() fix
  ide: use rq->nr_sectors in task_end_request()
  ide: remove needless ->cursg clearing from task_end_request()
  ide: set IDE_TFLAG_IN_* flags before queuing/executing command
  ide-tape: fix handling of non-special requests in ->end_request method
  ide: fix final status check in task_in_intr()
  ide: clear HOB bit for REQ_TYPE_ATA_CMD requests in ide_end_drive_cmd()
  ide: fix ->io_32bit race in ide_taskfile_ioctl()
  cmd64x: remove /proc/ide/cmd64x
  ide: remove broken disk byte-swapping support
  ...

1 files changed, 36 insertions, 161 deletions

diff --git a/drivers/ide/ide.c b/drivers/ide/ide.c
index c6d4f630e18a..97894abd9ebc 100644
--- a/drivers/ide/ide.c
+++ b/drivers/ide/ide.c
@@ -95,7 +95,7 @@ DEFINE_MUTEX(ide_cfg_mtx);
  __cacheline_aligned_in_smp DEFINE_SPINLOCK(ide_lock);
 
 #ifdef CONFIG_IDEPCI_PCIBUS_ORDER
-static int ide_scan_direction; /* THIS was formerly 2.2.x pci=reverse */
+int ide_scan_direction; /* THIS was formerly 2.2.x pci=reverse */
 #endif
 
 int noautodma = 0;
@@ -116,7 +116,7 @@ EXPORT_SYMBOL(ide_hwifs);
 /*
  * Do not even *think* about calling this!
  */
-static void init_hwif_data(ide_hwif_t *hwif, unsigned int index)
+void ide_init_port_data(ide_hwif_t *hwif, unsigned int index)
 {
         unsigned int unit;
 
@@ -159,6 +159,7 @@ static void init_hwif_data(ide_hwif_t *hwif, unsigned int index)
                 init_completion(&drive->gendev_rel_comp);
         }
 }
+EXPORT_SYMBOL_GPL(ide_init_port_data);
 
 static void init_hwif_default(ide_hwif_t *hwif, unsigned int index)
 {
@@ -177,8 +178,6 @@ static void init_hwif_default(ide_hwif_t *hwif, unsigned int index)
 #endif
 }
 
-extern void ide_arm_init(void);
-
 /*
  * init_ide_data() sets reasonable default values into all fields
  * of all instances of the hwifs and drives, but only on the first call.
@@ -210,16 +209,13 @@ static void __init init_ide_data (void)
         /* Initialise all interface structures */
         for (index = 0; index < MAX_HWIFS; ++index) {
                 hwif = &ide_hwifs[index];
-                init_hwif_data(hwif, index);
+                ide_init_port_data(hwif, index);
                 init_hwif_default(hwif, index);
 #if !defined(CONFIG_PPC32) || !defined(CONFIG_PCI)
                 hwif->irq =
                         ide_init_default_irq(hwif->io_ports[IDE_DATA_OFFSET]);
 #endif
         }
-#ifdef CONFIG_IDE_ARM
-        ide_arm_init();
-#endif
 }
 
 /**
@@ -414,8 +410,6 @@ static void ide_hwif_restore(ide_hwif_t *hwif, ide_hwif_t *tmp_hwif)
         hwif->cds                       = tmp_hwif->cds;
 #endif
 
-        hwif->fixup                     = tmp_hwif->fixup;
-
         hwif->set_pio_mode              = tmp_hwif->set_pio_mode;
         hwif->set_dma_mode              = tmp_hwif->set_dma_mode;
         hwif->mdma_filter               = tmp_hwif->mdma_filter;
@@ -433,16 +427,13 @@ static void ide_hwif_restore(ide_hwif_t *hwif, ide_hwif_t *tmp_hwif)
         hwif->atapi_input_bytes         = tmp_hwif->atapi_input_bytes;
         hwif->atapi_output_bytes        = tmp_hwif->atapi_output_bytes;
 
+        hwif->dma_host_set              = tmp_hwif->dma_host_set;
         hwif->dma_setup                 = tmp_hwif->dma_setup;
         hwif->dma_exec_cmd              = tmp_hwif->dma_exec_cmd;
         hwif->dma_start                 = tmp_hwif->dma_start;
         hwif->ide_dma_end               = tmp_hwif->ide_dma_end;
-        hwif->ide_dma_on                = tmp_hwif->ide_dma_on;
-        hwif->dma_off_quietly           = tmp_hwif->dma_off_quietly;
         hwif->ide_dma_test_irq          = tmp_hwif->ide_dma_test_irq;
         hwif->ide_dma_clear_irq         = tmp_hwif->ide_dma_clear_irq;
-        hwif->dma_host_on               = tmp_hwif->dma_host_on;
-        hwif->dma_host_off              = tmp_hwif->dma_host_off;
         hwif->dma_lost_irq              = tmp_hwif->dma_lost_irq;
         hwif->dma_timeout               = tmp_hwif->dma_timeout;
 
@@ -614,7 +605,7 @@ void ide_unregister(unsigned int index)
         tmp_hwif = *hwif;
 
         /* restore hwif data to pristine status */
-        init_hwif_data(hwif, index);
+        ide_init_port_data(hwif, index);
         init_hwif_default(hwif, index);
 
         ide_hwif_restore(hwif, &tmp_hwif);
@@ -680,24 +671,34 @@ void ide_setup_ports (	hw_regs_t *hw,
  */
 }
 
+void ide_init_port_hw(ide_hwif_t *hwif, hw_regs_t *hw)
+{
+        memcpy(hwif->io_ports, hw->io_ports, sizeof(hwif->io_ports));
+        hwif->irq = hw->irq;
+        hwif->noprobe = 0;
+        hwif->chipset = hw->chipset;
+        hwif->gendev.parent = hw->dev;
+        hwif->ack_intr = hw->ack_intr;
+}
+EXPORT_SYMBOL_GPL(ide_init_port_hw);
+
 /**
  *      ide_register_hw         -       register IDE interface
  *      @hw: hardware registers
- *      @fixup: fixup function
- *      @initializing: set while initializing built-in drivers
+ *      @quirkproc: quirkproc function
  *      @hwifp: pointer to returned hwif
  *
  *      Register an IDE interface, specifying exactly the registers etc.
- *      Set init=1 iff calling before probes have taken place.
  *
  *      Returns -1 on error.
  */
 
-int ide_register_hw(hw_regs_t *hw, void (*fixup)(ide_hwif_t *),
-                    int initializing, ide_hwif_t **hwifp)
+int ide_register_hw(hw_regs_t *hw, void (*quirkproc)(ide_drive_t *),
+                    ide_hwif_t **hwifp)
 {
         int index, retry = 1;
         ide_hwif_t *hwif;
+        u8 idx[4] = { 0xff, 0xff, 0xff, 0xff };
 
         do {
                 for (index = 0; index < MAX_HWIFS; ++index) {
@@ -709,8 +710,7 @@ int ide_register_hw(hw_regs_t *hw, void (*fixup)(ide_hwif_t *),
                         hwif = &ide_hwifs[index];
                         if (hwif->hold)
                                 continue;
-                        if ((!hwif->present && !hwif->mate && !initializing) ||
-                            (!hwif->io_ports[IDE_DATA_OFFSET] && initializing))
+                        if (!hwif->present && hwif->mate == NULL)
                                 goto found;
                 }
                 for (index = 0; index < MAX_HWIFS; index++)
@@ -721,29 +721,23 @@ found:
         if (hwif->present)
                 ide_unregister(index);
         else if (!hwif->hold) {
-                init_hwif_data(hwif, index);
+                ide_init_port_data(hwif, index);
                 init_hwif_default(hwif, index);
         }
         if (hwif->present)
                 return -1;
-        memcpy(hwif->io_ports, hw->io_ports, sizeof(hwif->io_ports));
-        hwif->irq = hw->irq;
-        hwif->noprobe = 0;
-        hwif->fixup = fixup;
-        hwif->chipset = hw->chipset;
-        hwif->gendev.parent = hw->dev;
-        hwif->ack_intr = hw->ack_intr;
 
-        if (initializing == 0) {
-                u8 idx[4] = { index, 0xff, 0xff, 0xff };
+        ide_init_port_hw(hwif, hw);
+        hwif->quirkproc = quirkproc;
 
-                ide_device_add(idx);
-        }
+        idx[0] = index;
+
+        ide_device_add(idx);
 
         if (hwifp)
                 *hwifp = hwif;
 
-        return (initializing || hwif->present) ? index : -1;
+        return hwif->present ? index : -1;
 }
 
 EXPORT_SYMBOL(ide_register_hw);
@@ -836,7 +830,7 @@ int set_using_dma(ide_drive_t *drive, int arg)
         if (!drive->id || !(drive->id->capability & 1))
                 goto out;
 
-        if (hwif->ide_dma_on == NULL)
+        if (hwif->dma_host_set == NULL)
                 goto out;
 
         err = -EBUSY;
@@ -884,7 +878,10 @@ int set_pio_mode(ide_drive_t *drive, int arg)
 
         if (drive->special.b.set_tune)
                 return -EBUSY;
+
         ide_init_drive_cmd(&rq);
+        rq.cmd_type = REQ_TYPE_ATA_TASKFILE;
+
         drive->tune_req = (u8) arg;
         drive->special.b.set_tune = 1;
         (void) ide_do_drive_cmd(drive, &rq, ide_wait);
@@ -1066,7 +1063,7 @@ int generic_ide_ioctl(ide_drive_t *drive, struct file *file, struct block_device
                         ide_init_hwif_ports(&hw, (unsigned long) args[0],
                                             (unsigned long) args[1], NULL);
                         hw.irq = args[2];
-                        if (ide_register_hw(&hw, NULL, 0, NULL) == -1)
+                        if (ide_register_hw(&hw, NULL, NULL) == -1)
                                 return -EIO;
                         return 0;
                 }
@@ -1227,26 +1224,12 @@ static int __init match_parm (char *s, const char *keywords[], int vals[], int m
         return 0;       /* zero = nothing matched */
 }
 
-#ifdef CONFIG_BLK_DEV_ALI14XX
 extern int probe_ali14xx;
-extern int ali14xx_init(void);
-#endif
-#ifdef CONFIG_BLK_DEV_UMC8672
 extern int probe_umc8672;
-extern int umc8672_init(void);
-#endif
-#ifdef CONFIG_BLK_DEV_DTC2278
 extern int probe_dtc2278;
-extern int dtc2278_init(void);
-#endif
-#ifdef CONFIG_BLK_DEV_HT6560B
 extern int probe_ht6560b;
-extern int ht6560b_init(void);
-#endif
-#ifdef CONFIG_BLK_DEV_QD65XX
 extern int probe_qd65xx;
-extern int qd65xx_init(void);
-#endif
+extern int cmd640_vlb;
 
 static int __initdata is_chipset_set[MAX_HWIFS];
 
@@ -1323,7 +1306,7 @@ static int __init ide_setup(char *s)
         if (s[0] == 'h' && s[1] == 'd' && s[2] >= 'a' && s[2] <= max_drive) {
                 const char *hd_words[] = {
                         "none", "noprobe", "nowerr", "cdrom", "nodma",
-                        "autotune", "noautotune", "minus8", "swapdata", "bswap",
+                        "autotune", "noautotune", "-8", "-9", "-10",
                         "noflush", "remap", "remap63", "scsi", NULL };
                 unit = s[2] - 'a';
                 hw   = unit / MAX_DRIVES;
@@ -1359,10 +1342,6 @@ static int __init ide_setup(char *s)
                         case -7: /* "noautotune" */
                                 drive->autotune = IDE_TUNE_NOAUTO;
                                 goto obsolete_option;
-                        case -9: /* "swapdata" */
-                        case -10: /* "bswap" */
-                                drive->bswap = 1;
-                                goto done;
                         case -11: /* noflush */
                                 drive->noflush = 1;
                                 goto done;
@@ -1462,11 +1441,8 @@ static int __init ide_setup(char *s)
 #endif
 #ifdef CONFIG_BLK_DEV_CMD640
                         case -14: /* "cmd640_vlb" */
-                        {
-                                extern int cmd640_vlb; /* flag for cmd640.c */
                                 cmd640_vlb = 1;
                                 goto done;
-                        }
 #endif
 #ifdef CONFIG_BLK_DEV_HT6560B
                         case -13: /* "ht6560b" */
@@ -1556,79 +1532,6 @@ done:
         return 1;
 }
 
-extern void __init pnpide_init(void);
-extern void __exit pnpide_exit(void);
-extern void __init h8300_ide_init(void);
-
-/*
- * probe_for_hwifs() finds/initializes "known" IDE interfaces
- */
-static void __init probe_for_hwifs (void)
-{
-#ifdef CONFIG_IDEPCI_PCIBUS_ORDER
-        ide_scan_pcibus(ide_scan_direction);
-#endif
-
-#ifdef CONFIG_ETRAX_IDE
-        {
-                extern void init_e100_ide(void);
-                init_e100_ide();
-        }
-#endif /* CONFIG_ETRAX_IDE */
-#ifdef CONFIG_BLK_DEV_CMD640
-        {
-                extern void ide_probe_for_cmd640x(void);
-                ide_probe_for_cmd640x();
-        }
-#endif /* CONFIG_BLK_DEV_CMD640 */
-#ifdef CONFIG_BLK_DEV_IDE_PMAC
-        {
-                extern int pmac_ide_probe(void);
-                (void)pmac_ide_probe();
-        }
-#endif /* CONFIG_BLK_DEV_IDE_PMAC */
-#ifdef CONFIG_BLK_DEV_GAYLE
-        {
-                extern void gayle_init(void);
-                gayle_init();
-        }
-#endif /* CONFIG_BLK_DEV_GAYLE */
-#ifdef CONFIG_BLK_DEV_FALCON_IDE
-        {
-                extern void falconide_init(void);
-                falconide_init();
-        }
-#endif /* CONFIG_BLK_DEV_FALCON_IDE */
-#ifdef CONFIG_BLK_DEV_MAC_IDE
-        {
-                extern void macide_init(void);
-                macide_init();
-        }
-#endif /* CONFIG_BLK_DEV_MAC_IDE */
-#ifdef CONFIG_BLK_DEV_Q40IDE
-        {
-                extern void q40ide_init(void);
-                q40ide_init();
-        }
-#endif /* CONFIG_BLK_DEV_Q40IDE */
-#ifdef CONFIG_BLK_DEV_BUDDHA
-        {
-                extern void buddha_init(void);
-                buddha_init();
-        }
-#endif /* CONFIG_BLK_DEV_BUDDHA */
-#ifdef CONFIG_BLK_DEV_IDEPNP
-        pnpide_init();
-#endif
-#ifdef CONFIG_H8300
-        h8300_ide_init();
-#endif
-}
-
-/*
- * Probe module
- */
-
 EXPORT_SYMBOL(ide_lock);
 
 static int ide_bus_match(struct device *dev, struct device_driver *drv)
@@ -1775,30 +1678,6 @@ static int __init ide_init(void)
 
         proc_ide_create();
 
-#ifdef CONFIG_BLK_DEV_ALI14XX
-        if (probe_ali14xx)
-                (void)ali14xx_init();
-#endif
-#ifdef CONFIG_BLK_DEV_UMC8672
-        if (probe_umc8672)
-                (void)umc8672_init();
-#endif
-#ifdef CONFIG_BLK_DEV_DTC2278
-        if (probe_dtc2278)
-                (void)dtc2278_init();
-#endif
-#ifdef CONFIG_BLK_DEV_HT6560B
-        if (probe_ht6560b)
-                (void)ht6560b_init();
-#endif
-#ifdef CONFIG_BLK_DEV_QD65XX
-        if (probe_qd65xx)
-                (void)qd65xx_init();
-#endif
-
-        /* Probe for special PCI and other "known" interface chipsets. */
-        probe_for_hwifs();
-
         return 0;
 }
 
@@ -1834,10 +1713,6 @@ void __exit cleanup_module (void)
         for (index = 0; index < MAX_HWIFS; ++index)
                 ide_unregister(index);
 
-#ifdef CONFIG_BLK_DEV_IDEPNP
-        pnpide_exit();
-#endif
-
         proc_ide_destroy();
 
         bus_unregister(&ide_bus_type);