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-rw-r--r--drivers/ide/ide-probe.c12
-rw-r--r--drivers/ide/pci/it821x.c34
2 files changed, 24 insertions, 22 deletions
diff --git a/drivers/ide/ide-probe.c b/drivers/ide/ide-probe.c
index 3cebed77f55..41bfa4d21ab 100644
--- a/drivers/ide/ide-probe.c
+++ b/drivers/ide/ide-probe.c
@@ -717,7 +717,7 @@ EXPORT_SYMBOL_GPL(ide_undecoded_slave);
* This routine only knows how to look for drive units 0 and 1
* on an interface, so any setting of MAX_DRIVES > 2 won't work here.
*/
-static void probe_hwif(ide_hwif_t *hwif)
+static void probe_hwif(ide_hwif_t *hwif, void (*fixup)(ide_hwif_t *hwif))
{
unsigned int unit;
unsigned long flags;
@@ -820,6 +820,9 @@ static void probe_hwif(ide_hwif_t *hwif)
return;
}
+ if (fixup)
+ fixup(hwif);
+
for (unit = 0; unit < MAX_DRIVES; ++unit) {
ide_drive_t *drive = &hwif->drives[unit];
@@ -874,10 +877,7 @@ static int hwif_init(ide_hwif_t *hwif);
int probe_hwif_init_with_fixup(ide_hwif_t *hwif, void (*fixup)(ide_hwif_t *hwif))
{
- probe_hwif(hwif);
-
- if (fixup)
- fixup(hwif);
+ probe_hwif(hwif, fixup);
if (!hwif_init(hwif)) {
printk(KERN_INFO "%s: failed to initialize IDE interface\n",
@@ -1404,7 +1404,7 @@ int ideprobe_init (void)
for (index = 0; index < MAX_HWIFS; ++index)
if (probe[index])
- probe_hwif(&ide_hwifs[index]);
+ probe_hwif(&ide_hwifs[index], NULL);
for (index = 0; index < MAX_HWIFS; ++index)
if (probe[index])
hwif_init(&ide_hwifs[index]);
diff --git a/drivers/ide/pci/it821x.c b/drivers/ide/pci/it821x.c
index 5faaff87d58..4bd4bf02e91 100644
--- a/drivers/ide/pci/it821x.c
+++ b/drivers/ide/pci/it821x.c
@@ -1,6 +1,6 @@
/*
- * linux/drivers/ide/pci/it821x.c Version 0.10 Mar 10 2007
+ * linux/drivers/ide/pci/it821x.c Version 0.15 Jun 2 2007
*
* Copyright (C) 2004 Red Hat <alan@redhat.com>
* Copyright (C) 2007 Bartlomiej Zolnierkiewicz
@@ -262,7 +262,7 @@ static int it821x_tunepio(ide_drive_t *drive, u8 set_pio)
}
if (itdev->smart)
- goto set_drive_speed;
+ return 0;
/* We prefer 66Mhz clock for PIO 0-3, don't care for PIO4 */
itdev->want[unit][1] = pio_want[set_pio];
@@ -271,7 +271,6 @@ static int it821x_tunepio(ide_drive_t *drive, u8 set_pio)
it821x_clock_strategy(drive);
it821x_program(drive, itdev->pio[unit]);
-set_drive_speed:
return ide_config_drive_speed(drive, XFER_PIO_0 + set_pio);
}
@@ -455,12 +454,12 @@ static int it821x_tune_chipset (ide_drive_t *drive, byte xferspeed)
default:
return 1;
}
+
+ return ide_config_drive_speed(drive, speed);
}
- /*
- * In smart mode the clocking is done by the host controller
- * snooping the mode we picked. The rest of it is not our problem
- */
- return ide_config_drive_speed(drive, speed);
+
+ /* don't touch anything in the smart mode */
+ return 0;
}
/**
@@ -559,17 +558,10 @@ static void __devinit it821x_fixups(ide_hwif_t *hwif)
if(idbits[129] != 1)
printk("(%dK stripe)", idbits[146]);
printk(".\n");
- /* Now the core code will have wrongly decided no DMA
- so we need to fix this */
- hwif->dma_off_quietly(drive);
-#ifdef CONFIG_IDEDMA_ONLYDISK
- if (drive->media == ide_disk)
-#endif
- ide_set_dma(drive);
} else {
/* Non RAID volume. Fixups to stop the core code
doing unsupported things */
- id->field_valid &= 1;
+ id->field_valid &= 3;
id->queue_depth = 0;
id->command_set_1 = 0;
id->command_set_2 &= 0xC400;
@@ -584,6 +576,16 @@ static void __devinit it821x_fixups(ide_hwif_t *hwif)
printk(KERN_INFO "%s: Performing identify fixups.\n",
drive->name);
}
+
+ /*
+ * Set MWDMA0 mode as enabled/support - just to tell
+ * IDE core that DMA is supported (it821x hardware
+ * takes care of DMA mode programming).
+ */
+ if (id->capability & 1) {
+ id->dma_mword |= 0x0101;
+ drive->current_speed = XFER_MW_DMA_0;
+ }
}
}