ide: add "nodma|noflush|noprobe|nowerr=" parameters

[safe/jmp/linux-2.6] / drivers / ide / ide-acpi.c

diff --git a/drivers/ide/ide-acpi.c b/drivers/ide/ide-acpi.c
index ac12d30..e4ad26e 100644 (file)
--- a/drivers/ide/ide-acpi.c
+++ b/drivers/ide/ide-acpi.c
@@ -39,7 +39,6 @@ struct GTM_buffer {
 };
 
 struct ide_acpi_drive_link {
-       ide_drive_t     *drive;
        acpi_handle      obj_handle;
        u8               idbuff[512];
 };
@@ -56,7 +55,7 @@ struct ide_acpi_hwif_link {
 /* note: adds function name and KERN_DEBUG */
 #ifdef DEBUGGING
 #define DEBPRINT(fmt, args...) \
-               printk(KERN_DEBUG "%s: " fmt, __FUNCTION__, ## args)
+               printk(KERN_DEBUG "%s: " fmt, __func__, ## args)
 #else
 #define DEBPRINT(fmt, args...) do {} while (0)
 #endif /* DEBUGGING */
@@ -172,7 +171,7 @@ err:
 static acpi_handle ide_acpi_hwif_get_handle(ide_hwif_t *hwif)
 {
        struct device           *dev = hwif->gendev.parent;
-       acpi_handle             dev_handle;
+       acpi_handle             uninitialized_var(dev_handle);
        acpi_integer            pcidevfn;
        acpi_handle             chan_handle;
        int                     err;
@@ -310,7 +309,7 @@ static int do_drive_get_GTF(ide_drive_t *drive,
        if (ACPI_FAILURE(status)) {
                printk(KERN_DEBUG
                       "%s: Run _GTF error: status = 0x%x\n",
-                      __FUNCTION__, status);
+                      __func__, status);
                goto out;
        }
 
@@ -336,7 +335,7 @@ static int do_drive_get_GTF(ide_drive_t *drive,
            out_obj->buffer.length % REGS_PER_GTF) {
                printk(KERN_ERR
                       "%s: unexpected GTF length (%d) or addr (0x%p)\n",
-                      __FUNCTION__, out_obj->buffer.length,
+                      __func__, out_obj->buffer.length,
                       out_obj->buffer.pointer);
                err = -ENOENT;
                kfree(output.pointer);
@@ -385,7 +384,7 @@ static int taskfile_load_raw(ide_drive_t *drive,
        err = ide_no_data_taskfile(drive, &args);
        if (err)
                printk(KERN_ERR "%s: ide_no_data_taskfile failed: %u\n",
-                      __FUNCTION__, err);
+                      __func__, err);
 
        return err;
 }
@@ -423,7 +422,7 @@ static int do_drive_set_taskfiles(ide_drive_t *drive,
 
        if (gtf_length % REGS_PER_GTF) {
                printk(KERN_ERR "%s: unexpected GTF length (%d)\n",
-                      __FUNCTION__, gtf_length);
+                      __func__, gtf_length);
                goto out;
        }
 
@@ -548,7 +547,7 @@ void ide_acpi_get_timing(ide_hwif_t *hwif)
                printk(KERN_ERR
                        "%s: unexpected _GTM length (0x%x)[should be 0x%zx] or "
                        "addr (0x%p)\n",
-                       __FUNCTION__, out_obj->buffer.length,
+                       __func__, out_obj->buffer.length,
                        sizeof(struct GTM_buffer), out_obj->buffer.pointer);
                return;
        }
@@ -675,11 +674,6 @@ void ide_acpi_set_state(ide_hwif_t *hwif, int on)
  */
 void ide_acpi_init(ide_hwif_t *hwif)
 {
-       int unit;
-       int                     err;
-       struct ide_acpi_drive_link      *master;
-       struct ide_acpi_drive_link      *slave;
-
        ide_acpi_blacklist();
 
        hwif->acpidata = kzalloc(sizeof(struct ide_acpi_hwif_link), GFP_KERNEL);
@@ -691,40 +685,40 @@ void ide_acpi_init(ide_hwif_t *hwif)
                DEBPRINT("no ACPI object for %s found\n", hwif->name);
                kfree(hwif->acpidata);
                hwif->acpidata = NULL;
-               return;
        }
+}
+
+void ide_acpi_port_init_devices(ide_hwif_t *hwif)
+{
+       ide_drive_t *drive;
+       int i, err;
+
+       if (hwif->acpidata == NULL)
+               return;
 
        /*
         * The ACPI spec mandates that we send information
         * for both drives, regardless whether they are connected
         * or not.
         */
-       hwif->acpidata->master.drive = &hwif->drives[0];
        hwif->drives[0].acpidata = &hwif->acpidata->master;
-       master = &hwif->acpidata->master;
-
-       hwif->acpidata->slave.drive = &hwif->drives[1];
        hwif->drives[1].acpidata = &hwif->acpidata->slave;
-       slave = &hwif->acpidata->slave;
-
 
        /*
         * Send IDENTIFY for each drive
         */
-       if (master->drive->present) {
-               err = taskfile_lib_get_identify(master->drive, master->idbuff);
-               if (err) {
-                       DEBPRINT("identify device %s failed (%d)\n",
-                                master->drive->name, err);
-               }
-       }
+       for (i = 0; i < MAX_DRIVES; i++) {
+               drive = &hwif->drives[i];
+
+               memset(drive->acpidata, 0, sizeof(*drive->acpidata));
+
+               if (!drive->present)
+                       continue;
 
-       if (slave->drive->present) {
-               err = taskfile_lib_get_identify(slave->drive, slave->idbuff);
-               if (err) {
+               err = taskfile_lib_get_identify(drive, drive->acpidata->idbuff);
+               if (err)
                        DEBPRINT("identify device %s failed (%d)\n",
-                                slave->drive->name, err);
-               }
+                                drive->name, err);
        }
 
        if (ide_noacpionboot) {
@@ -740,12 +734,11 @@ void ide_acpi_init(ide_hwif_t *hwif)
        ide_acpi_get_timing(hwif);
        ide_acpi_push_timing(hwif);
 
-       for (unit = 0; unit < MAX_DRIVES; ++unit) {
-               ide_drive_t *drive = &hwif->drives[unit];
+       for (i = 0; i < MAX_DRIVES; i++) {
+               drive = &hwif->drives[i];
 
-               if (drive->present) {
+               if (drive->present)
                        /* Execute ACPI startup code */
                        ide_acpi_exec_tfs(drive);
-               }
        }
 }