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ide: refactor tf_load() method

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Simplify tf_load() method, making it deal only with 'struct ide_taskfile' and
the validity flags that the upper layer passes, and moving the code that deals
with the high order bytes into the only function interested, do_rw_taskfile().

This should stop the needless code duplication in this method and so make
it about twice smaller than it was; along with simplifying the setup for the
method call, this should save both time and space...

Signed-off-by: Sergei Shtylyov <sshtylyov@ru.mvista.com>
Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
This commit is contained in:
Sergei Shtylyov
2009-04-08 14:13:03 +02:00
committed by Bartlomiej Zolnierkiewicz
parent 30881b9ac9
commit c9ff9e7b64
7 changed files with 18 additions and 51 deletions
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4
include/linux/ide.h
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@ -624,7 +624,7 @@ struct ide_tp_ops {
void (*write_devctl)(struct hwif_s *, u8);
void (*dev_select)(ide_drive_t *);
void (*tf_load)(ide_drive_t *, struct ide_cmd *);
void (*tf_load)(ide_drive_t *, struct ide_taskfile *, u8);
void (*tf_read)(ide_drive_t *, struct ide_cmd *);
void (*input_data)(ide_drive_t *, struct ide_cmd *,
@ -1132,7 +1132,7 @@ u8 ide_read_altstatus(ide_hwif_t *);
void ide_write_devctl(ide_hwif_t *, u8);
void ide_dev_select(ide_drive_t *);
void ide_tf_load(ide_drive_t *, struct ide_cmd *);
void ide_tf_load(ide_drive_t *, struct ide_taskfile *, u8);
void ide_tf_read(ide_drive_t *, struct ide_cmd *);
void ide_input_data(ide_drive_t *, struct ide_cmd *, void *, unsigned int);