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Commit d77612ab authored by Borislav Petkov's avatar Borislav Petkov Committed by Bartlomiej Zolnierkiewicz
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ide-atapi: split drive-specific functionality in ide_issue_pc 



There should be no functionality change resulting from this patch.

Signed-off-by: default avatarBorislav Petkov <petkovbb@gmail.com>
Signed-off-by: default avatarBartlomiej Zolnierkiewicz <bzolnier@gmail.com>
parent def860d0

drivers/ide/ide-atapi.c

+20 −16
Original line number Diff line number Diff line
@@ -564,39 +564,43 @@ static ide_startstop_t ide_transfer_pc(ide_drive_t *drive) 


ide_startstop_t ide_issue_pc(ide_drive_t *drive, unsigned int timeout)

{

	struct ide_atapi_pc *pc = drive->pc;

	struct ide_atapi_pc *pc;

	ide_hwif_t *hwif = drive->hwif;

	ide_expiry_t *expiry = NULL;

	u32 tf_flags;

	u16 bcount;



	/* We haven't transferred any data yet */

	pc->xferred = 0;

	pc->cur_pos = pc->buf;



	if (dev_is_idecd(drive)) {

		tf_flags = IDE_TFLAG_OUT_NSECT | IDE_TFLAG_OUT_LBAL;

		bcount = ide_cd_get_xferlen(hwif->hwgroup->rq);

		expiry = ide_cd_expiry;



		if (drive->dma)

			drive->dma = !hwif->dma_ops->dma_setup(drive);

	} else {

		pc = drive->pc;



		/* We haven't transferred any data yet */

		pc->xferred = 0;

		pc->cur_pos = pc->buf;



		tf_flags = IDE_TFLAG_OUT_DEVICE;

		bcount = ((drive->media == ide_tape) ?

				pc->req_xfer :

				min(pc->req_xfer, 63 * 1024));

	}



		if (pc->flags & PC_FLAG_DMA_ERROR) {

			pc->flags &= ~PC_FLAG_DMA_ERROR;

			ide_dma_off(drive);

		}



	if (((pc->flags & PC_FLAG_DMA_OK) &&

		(drive->dev_flags & IDE_DFLAG_USING_DMA)) ||

	    drive->dma)

		if ((pc->flags & PC_FLAG_DMA_OK) &&

		     (drive->dev_flags & IDE_DFLAG_USING_DMA))

			drive->dma = !hwif->dma_ops->dma_setup(drive);



		if (!drive->dma)

			pc->flags &= ~PC_FLAG_DMA_OK;

	}



	ide_pktcmd_tf_load(drive, tf_flags, bcount, drive->dma);