diff options
| author |   Sergei Shtylyov <sshtylyov@ru.mvista.com> | 2009-04-08 14:13:02 +0200 |
|---|---|---|
| committer |   Bartlomiej Zolnierkiewicz <bzolnier@gmail.com> | 2009-04-08 14:13:02 +0200 |
| commit | 745483f10c6cefb303007c6873e2bfce54efa8ed (patch) | |
| tree | 9dc9dca95f017edf279bf3e2d5ec3d07481e75da /drivers/ide/ide-lib.c | |
| parent | ide: replace IDE_TFLAG_* flags by IDE_VALID_* (diff) | |
| download | linux-dev-745483f10c6cefb303007c6873e2bfce54efa8ed.tar.xz linux-dev-745483f10c6cefb303007c6873e2bfce54efa8ed.zip | |
ide: simplify 'struct ide_taskfile'
Make 'struct ide_taskfile' cover only 8 register values and thus put two such
fields ('tf' and 'hob') into 'struct ide_cmd', dropping unnecessary 'tf_array'
field from it.
This required changing the prototype of ide_get_lba_addr() and ide_tf_dump().
Signed-off-by: Sergei Shtylyov <sshtylyov@ru.mvista.com>
[bart: fix setting of ATA_LBA bit for LBA48 commands in __ide_do_rw_disk()]
Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
Diffstat (limited to 'drivers/ide/ide-lib.c')
| -rw-r--r-- | drivers/ide/ide-lib.c | 15 |
1 files changed, 8 insertions, 7 deletions
diff --git a/drivers/ide/ide-lib.c b/drivers/ide/ide-lib.c index c9ef77c5d62e..6857e6aaf20d 100644 --- a/drivers/ide/ide-lib.c +++ b/drivers/ide/ide-lib.c @@ -49,16 +49,17 @@ static void ide_dump_opcode(ide_drive_t *drive) printk(KERN_CONT "0x%02x\n", cmd->tf.command); } -u64 ide_get_lba_addr(struct ide_taskfile *tf, int lba48) +u64 ide_get_lba_addr(struct ide_cmd *cmd, int lba48) { + struct ide_taskfile *tf = &cmd->tf; u32 high, low; - if (lba48) - high = (tf->hob_lbah << 16) | (tf->hob_lbam << 8) | - tf->hob_lbal; - else - high = tf->device & 0xf; low = (tf->lbah << 16) | (tf->lbam << 8) | tf->lbal; + if (lba48) { + tf = &cmd->hob; + high = (tf->lbah << 16) | (tf->lbam << 8) | tf->lbal; + } else + high = tf->device & 0xf; return ((u64)high << 24) | low; } @@ -82,7 +83,7 @@ static void ide_dump_sector(ide_drive_t *drive) if (lba48 || (tf->device & ATA_LBA)) printk(KERN_CONT ", LBAsect=%llu", - (unsigned long long)ide_get_lba_addr(tf, lba48)); + (unsigned long long)ide_get_lba_addr(&cmd, lba48)); else printk(KERN_CONT ", CHS=%d/%d/%d", (tf->lbah << 8) + tf->lbam, tf->device & 0xf, tf->lbal); |