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author | Bartlomiej Zolnierkiewicz <bzolnier@gmail.com> | 2009-03-27 12:46:38 +0100 |
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committer | Bartlomiej Zolnierkiewicz <bzolnier@gmail.com> | 2009-03-27 12:46:38 +0100 |
commit | b6308ee0c55acd2e943d849773c9f0a49c516317 (patch) | |
tree | e56f59a7935fccdf0145ffd4638a066bf4ba1e17 /drivers/ide/ide-taskfile.c | |
parent | adb1af9803d167091c2cb4de14014185054bfe2c (diff) | |
download | linux-stable-b6308ee0c55acd2e943d849773c9f0a49c516317.tar.gz linux-stable-b6308ee0c55acd2e943d849773c9f0a49c516317.tar.bz2 linux-stable-b6308ee0c55acd2e943d849773c9f0a49c516317.zip |
ide: move command related fields from ide_hwif_t to struct ide_cmd
* Move command related fields from ide_hwif_t to struct ide_cmd.
* Make ide_init_sg_cmd() take command and sectors number as arguments.
There should be no functional changes caused by this patch.
Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
Diffstat (limited to 'drivers/ide/ide-taskfile.c')
-rw-r--r-- | drivers/ide/ide-taskfile.c | 33 |
1 files changed, 16 insertions, 17 deletions
diff --git a/drivers/ide/ide-taskfile.c b/drivers/ide/ide-taskfile.c index d3bd93afbf2b..249a707f88a4 100644 --- a/drivers/ide/ide-taskfile.c +++ b/drivers/ide/ide-taskfile.c @@ -209,7 +209,7 @@ static void ide_pio_sector(ide_drive_t *drive, struct ide_cmd *cmd, { ide_hwif_t *hwif = drive->hwif; struct scatterlist *sg = hwif->sg_table; - struct scatterlist *cursg = hwif->cursg; + struct scatterlist *cursg = cmd->cursg; struct page *page; #ifdef CONFIG_HIGHMEM unsigned long flags; @@ -217,14 +217,14 @@ static void ide_pio_sector(ide_drive_t *drive, struct ide_cmd *cmd, unsigned int offset; u8 *buf; - cursg = hwif->cursg; + cursg = cmd->cursg; if (!cursg) { cursg = sg; - hwif->cursg = sg; + cmd->cursg = sg; } page = sg_page(cursg); - offset = cursg->offset + hwif->cursg_ofs * SECTOR_SIZE; + offset = cursg->offset + cmd->cursg_ofs * SECTOR_SIZE; /* get the current page and offset */ page = nth_page(page, (offset >> PAGE_SHIFT)); @@ -235,12 +235,12 @@ static void ide_pio_sector(ide_drive_t *drive, struct ide_cmd *cmd, #endif buf = kmap_atomic(page, KM_BIO_SRC_IRQ) + offset; - hwif->nleft--; - hwif->cursg_ofs++; + cmd->nleft--; + cmd->cursg_ofs++; - if ((hwif->cursg_ofs * SECTOR_SIZE) == cursg->length) { - hwif->cursg = sg_next(hwif->cursg); - hwif->cursg_ofs = 0; + if ((cmd->cursg_ofs * SECTOR_SIZE) == cursg->length) { + cmd->cursg = sg_next(cmd->cursg); + cmd->cursg_ofs = 0; } /* do the actual data transfer */ @@ -260,7 +260,7 @@ static void ide_pio_multi(ide_drive_t *drive, struct ide_cmd *cmd, { unsigned int nsect; - nsect = min_t(unsigned int, drive->hwif->nleft, drive->mult_count); + nsect = min_t(unsigned int, cmd->nleft, drive->mult_count); while (nsect--) ide_pio_sector(drive, cmd, write); } @@ -295,19 +295,18 @@ static ide_startstop_t task_error(ide_drive_t *drive, struct ide_cmd *cmd, const char *s, u8 stat) { if (cmd->tf_flags & IDE_TFLAG_FS) { - ide_hwif_t *hwif = drive->hwif; - int sectors = hwif->nsect - hwif->nleft; + int sectors = cmd->nsect - cmd->nleft; switch (cmd->data_phase) { case TASKFILE_IN: - if (hwif->nleft) + if (cmd->nleft) break; /* fall through */ case TASKFILE_OUT: sectors--; break; case TASKFILE_MULTI_IN: - if (hwif->nleft) + if (cmd->nleft) break; /* fall through */ case TASKFILE_MULTI_OUT: @@ -375,7 +374,7 @@ static ide_startstop_t task_in_intr(ide_drive_t *drive) ide_pio_datablock(drive, cmd, 0); /* Are we done? Check status and finish transfer. */ - if (!hwif->nleft) { + if (cmd->nleft == 0) { stat = wait_drive_not_busy(drive); if (!OK_STAT(stat, 0, BAD_STAT)) return task_error(drive, cmd, __func__, stat); @@ -402,10 +401,10 @@ static ide_startstop_t task_out_intr (ide_drive_t *drive) return task_error(drive, cmd, __func__, stat); /* Deal with unexpected ATA data phase. */ - if (((stat & ATA_DRQ) == 0) ^ !hwif->nleft) + if (((stat & ATA_DRQ) == 0) ^ (cmd->nleft == 0)) return task_error(drive, cmd, __func__, stat); - if (!hwif->nleft) { + if (cmd->nleft == 0) { ide_finish_cmd(drive, cmd, stat); return ide_stopped; } |