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| author | Bartlomiej Zolnierkiewicz <bzolnier@gmail.com> | 2008-10-10 22:39:37 +0200 |
|---|---|---|
| committer | Bartlomiej Zolnierkiewicz <bzolnier@gmail.com> | 2008-10-10 22:39:37 +0200 |
| commit | 7bf7420a318978cd6042e5a5da34b7cfa18ae559 (patch) | |
| tree | 7498ae013e3603dc66628873eaa2647fd001fe98 /include/linux/ide.h | |
| parent | 385a4b8787c70b708688bee65139f15b0f79f144 (diff) | |
| download | talos-obmc-linux-7bf7420a318978cd6042e5a5da34b7cfa18ae559.tar.gz talos-obmc-linux-7bf7420a318978cd6042e5a5da34b7cfa18ae559.zip | |
ide: add ide_init_pc() helper
* Add IDE_PC_BUFFER_SIZE define.
* Add ide_init_pc() and convert ide-{floppy,tape}.c to use it
instead of ide*_init_pc().
* Remove no longer used IDE*_PC_BUFFER_SIZE and ide*_init_pc().
There should be no functional changes caused by this patch.
Acked-by: Borislav Petkov <petkovbb@gmail.com>
Acked-by: Sergei Shtylyov <sshtylyov@ru.mvista.com>
Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
Diffstat (limited to 'include/linux/ide.h')
| -rw-r--r-- | include/linux/ide.h | 10 |
1 files changed, 9 insertions, 1 deletions
diff --git a/include/linux/ide.h b/include/linux/ide.h index 03dc2157a2b5..bba2f73b99a0 100644 --- a/include/linux/ide.h +++ b/include/linux/ide.h @@ -724,6 +724,12 @@ enum { PC_FLAG_TIMEDOUT = (1 << 7), }; +/* + * With each packet command, we allocate a buffer of IDE_PC_BUFFER_SIZE bytes. + * This is used for several packet commands (not for READ/WRITE commands). + */ +#define IDE_PC_BUFFER_SIZE 256 + struct ide_atapi_pc { /* actual packet bytes */ u8 c[12]; @@ -753,7 +759,7 @@ struct ide_atapi_pc { * those are more or less driver-specific and some of them are subject * to change/removal later. */ - u8 pc_buf[256]; + u8 pc_buf[IDE_PC_BUFFER_SIZE]; /* idetape only */ struct idetape_bh *bh; @@ -1113,6 +1119,8 @@ void ide_pktcmd_tf_load(ide_drive_t *, u32, u16, u8); int ide_check_atapi_device(ide_drive_t *, const char *); +void ide_init_pc(struct ide_atapi_pc *); + ide_startstop_t ide_pc_intr(ide_drive_t *drive, struct ide_atapi_pc *pc, ide_handler_t *handler, unsigned int timeout, ide_expiry_t *expiry, void (*update_buffers)(ide_drive_t *, struct ide_atapi_pc *), |
