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ide: make drive->id an union (take 2)

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Make drive->id an unnamed union so id can be accessed either by using
'u16 *id' or 'struct hd_driveid *driveid'.  Then convert all existing
drive->id users accordingly (using 'u16 *id' when possible).

This is an intermediate step to make ide 'struct hd_driveid'-free.

While at it:

- Add missing KERN_CONTs in it821x.c.

- Use ATA_ID_WORDS and ATA_ID_*_LEN defines.

- Remove unnecessary checks for drive->id.

- s/drive_table/table/ in ide_in_drive_list().

- Cleanup ide_config_drive_speed() a bit.

- s/drive1/dev1/ & s/drive0/dev0/ in ide_undecoded_slave().

v2:
Fix typo in drivers/ide/ppc/pmac.c. (From Stephen Rothwell)

There should be no functional changes caused by this patch.

Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
This commit is contained in:
Bartlomiej Zolnierkiewicz
2008-10-10 22:39:19 +02:00
parent 5b90e99092
commit 4dde4492d8
28 changed files with 311 additions and 279 deletions
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8
drivers/ide/ide.c
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@@ -328,7 +328,7 @@ int set_using_dma(ide_drive_t *drive, int arg)
if (arg < 0 || arg > 1)
return -EINVAL;
if (!drive->id || !(drive->id->capability & 1))
if ((drive->driveid->capability & 1) == 0)
goto out;
if (hwif->dma_ops == NULL)
@@ -710,21 +710,21 @@ static ssize_t model_show(struct device *dev, struct device_attribute *attr,
char *buf)
{
ide_drive_t *drive = to_ide_device(dev);
return sprintf(buf, "%s\n", drive->id->model);
return sprintf(buf, "%s\n", (char *)&drive->id[ATA_ID_PROD]);
}
static ssize_t firmware_show(struct device *dev, struct device_attribute *attr,
char *buf)
{
ide_drive_t *drive = to_ide_device(dev);
return sprintf(buf, "%s\n", drive->id->fw_rev);
return sprintf(buf, "%s\n", (char *)&drive->id[ATA_ID_FW_REV]);
}
static ssize_t serial_show(struct device *dev, struct device_attribute *attr,
char *buf)
{
ide_drive_t *drive = to_ide_device(dev);
return sprintf(buf, "%s\n", drive->id->serial_no);
return sprintf(buf, "%s\n", (char *)&drive->id[ATA_ID_SERNO]);
}
static struct device_attribute ide_dev_attrs[] = {