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ide: do not access ide_drive_t 'drive_data' field directly

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Change ide_drive_t 'drive_data' field from 'unsigned int' type to 'void *'
type, allowing a wider range of values/types to be stored in this field.

Added 'ide_get_drivedata' and 'ide_set_drivedata' helpers to get and set
the 'drive_data' field.

Fixed all host drivers to maintain coherency with the change in the
'drive_data' field type.

Signed-off-by: Joao Ramos <joao.ramos@inov.pt>
[bart: fix qd65xx build, cast to 'unsigned long', minor Coding Style fixups]
Acked-by: Sergei Shtylyov <sshtylyov@ru.montavista.com>
Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
This commit is contained in:
Joao Ramos 2009-06-15 22:13:44 +02:00 • committed by Bartlomiej Zolnierkiewicz
parent 3779f818a4
commit 5bfb151f1f
9 changed files with 94 additions and 40 deletions
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12
include/linux/ide.h
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@ -532,7 +532,7 @@ struct ide_drive_s {
unsigned int bios_cyl; /* BIOS/fdisk/LILO number of cyls */
unsigned int cyl; /* "real" number of cyls */
unsigned int drive_data; /* used by set_pio_mode/dev_select() */
void *drive_data; /* used by set_pio_mode/dev_select() */
unsigned int failures; /* current failure count */
unsigned int max_failures; /* maximum allowed failure count */
u64 probed_capacity;/* initial/native media capacity */
@ -1550,6 +1550,16 @@ static inline ide_drive_t *ide_get_pair_dev(ide_drive_t *drive)
return (peer->dev_flags & IDE_DFLAG_PRESENT) ? peer : NULL;
}
static inline void *ide_get_drivedata(ide_drive_t *drive)
{
return drive->drive_data;
}
static inline void ide_set_drivedata(ide_drive_t *drive, void *data)
{
drive->drive_data = data;
}
#define ide_port_for_each_dev(i, dev, port) \
for ((i) = 0; ((dev) = (port)->devices[i]) || (i) < MAX_DRIVES; (i)++)