diff options
| -rw-r--r-- | drivers/ide/ide-floppy.c | 10 | ||||
| -rw-r--r-- | drivers/scsi/ide-scsi.c | 11 | ||||
| -rw-r--r-- | include/linux/ide.h | 27 |
3 files changed, 9 insertions, 39 deletions
diff --git a/drivers/ide/ide-floppy.c b/drivers/ide/ide-floppy.c index 2a37a08ddd57..95e302790001 100644 --- a/drivers/ide/ide-floppy.c +++ b/drivers/ide/ide-floppy.c @@ -1019,9 +1019,9 @@ static ide_startstop_t idefloppy_issue_pc (ide_drive_t *drive, idefloppy_pc_t *p { idefloppy_floppy_t *floppy = drive->driver_data; ide_hwif_t *hwif = drive->hwif; - atapi_feature_t feature; atapi_bcount_t bcount; ide_handler_t *pkt_xfer_routine; + u8 dma; if (floppy->failed_pc == NULL && pc->c[0] != IDEFLOPPY_REQUEST_SENSE_CMD) @@ -1064,20 +1064,20 @@ static ide_startstop_t idefloppy_issue_pc (ide_drive_t *drive, idefloppy_pc_t *p if (test_and_clear_bit(PC_DMA_ERROR, &pc->flags)) ide_dma_off(drive); - feature.all = 0; + dma = 0; if (test_bit(PC_DMA_RECOMMENDED, &pc->flags) && drive->using_dma) - feature.b.dma = !hwif->dma_setup(drive); + dma = !hwif->dma_setup(drive); if (IDE_CONTROL_REG) HWIF(drive)->OUTB(drive->ctl, IDE_CONTROL_REG); /* Use PIO/DMA */ - HWIF(drive)->OUTB(feature.all, IDE_FEATURE_REG); + hwif->OUTB(dma, IDE_FEATURE_REG); HWIF(drive)->OUTB(bcount.b.high, IDE_BCOUNTH_REG); HWIF(drive)->OUTB(bcount.b.low, IDE_BCOUNTL_REG); HWIF(drive)->OUTB(drive->select.all, IDE_SELECT_REG); - if (feature.b.dma) { /* Begin DMA, if necessary */ + if (dma) { /* Begin DMA, if necessary */ set_bit(PC_DMA_IN_PROGRESS, &pc->flags); hwif->dma_start(drive); } diff --git a/drivers/scsi/ide-scsi.c b/drivers/scsi/ide-scsi.c index bd2b56912472..c009f2351346 100644 --- a/drivers/scsi/ide-scsi.c +++ b/drivers/scsi/ide-scsi.c @@ -399,7 +399,6 @@ static ide_startstop_t idescsi_pc_intr (ide_drive_t *drive) struct request *rq = pc->rq; atapi_bcount_t bcount; atapi_ireason_t ireason; - atapi_feature_t feature; unsigned int temp; u8 stat; @@ -424,7 +423,6 @@ static ide_startstop_t idescsi_pc_intr (ide_drive_t *drive) (void) HWIF(drive)->ide_dma_end(drive); } - feature.all = 0; /* Clear the interrupt */ stat = drive->hwif->INB(IDE_STATUS_REG); @@ -572,18 +570,17 @@ static ide_startstop_t idescsi_issue_pc (ide_drive_t *drive, idescsi_pc_t *pc) { idescsi_scsi_t *scsi = drive_to_idescsi(drive); ide_hwif_t *hwif = drive->hwif; - atapi_feature_t feature; atapi_bcount_t bcount; + u8 dma = 0; scsi->pc=pc; /* Set the current packet command */ pc->actually_transferred=0; /* We haven't transferred any data yet */ pc->current_position=pc->buffer; bcount.all = min(pc->request_transfer, 63 * 1024); /* Request to transfer the entire buffer at once */ - feature.all = 0; if (drive->using_dma && !idescsi_map_sg(drive, pc)) { hwif->sg_mapped = 1; - feature.b.dma = !hwif->dma_setup(drive); + dma = !hwif->dma_setup(drive); hwif->sg_mapped = 0; } @@ -591,11 +588,11 @@ static ide_startstop_t idescsi_issue_pc (ide_drive_t *drive, idescsi_pc_t *pc) if (IDE_CONTROL_REG) HWIF(drive)->OUTB(drive->ctl, IDE_CONTROL_REG); - HWIF(drive)->OUTB(feature.all, IDE_FEATURE_REG); + hwif->OUTB(dma, IDE_FEATURE_REG); HWIF(drive)->OUTB(bcount.b.high, IDE_BCOUNTH_REG); HWIF(drive)->OUTB(bcount.b.low, IDE_BCOUNTL_REG); - if (feature.b.dma) + if (dma) set_bit(PC_DMA_OK, &pc->flags); if (test_bit(IDESCSI_DRQ_INTERRUPT, &scsi->flags)) { diff --git a/include/linux/ide.h b/include/linux/ide.h index 0c1b0aaa2865..a638dde17e77 100644 --- a/include/linux/ide.h +++ b/include/linux/ide.h @@ -366,33 +366,6 @@ typedef union { } select_t, ata_select_t; /* - * ATAPI Feature Register - * - * dma : Using DMA or PIO - * reserved321 : Reserved - * reserved654 : Reserved (Tag Type) - * reserved7 : Reserved - */ -typedef union { - unsigned all :8; - struct { -#if defined(__LITTLE_ENDIAN_BITFIELD) - unsigned dma :1; - unsigned reserved321 :3; - unsigned reserved654 :3; - unsigned reserved7 :1; -#elif defined(__BIG_ENDIAN_BITFIELD) - unsigned reserved7 :1; - unsigned reserved654 :3; - unsigned reserved321 :3; - unsigned dma :1; -#else -#error "Please fix <asm/byteorder.h>" -#endif - } b; -} atapi_feature_t; - -/* * ATAPI Interrupt Reason Register. * * cod : Information transferred is command (1) or data (0) |