From: Borislav Petkov <petkovbb@googlemail.com>
Date: Mon, 13 Oct 2008 19:39:50 +0000 (+0200)
Subject: ide-atapi: assign taskfile flags per device type
X-Git-Url: https://git.stricted.de/?a=commitdiff_plain;h=f9476b96b5c19a843d6256b8d228ebf1edabb1b6;p=GitHub%2FLineageOS%2FG12%2Fandroid_kernel_amlogic_linux-4.9.git

ide-atapi: assign taskfile flags per device type

There should be no functional change resulting from this patch.

Signed-off-by: Borislav Petkov <petkovbb@gmail.com>
Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
---

diff --git a/drivers/ide/ide-atapi.c b/drivers/ide/ide-atapi.c
index d55784173a79..2e305714c209 100644
--- a/drivers/ide/ide-atapi.c
+++ b/drivers/ide/ide-atapi.c
@@ -544,6 +544,7 @@ ide_startstop_t ide_issue_pc(ide_drive_t *drive, unsigned int timeout,
 {
 	struct ide_atapi_pc *pc = drive->pc;
 	ide_hwif_t *hwif = drive->hwif;
+	u32 tf_flags;
 	u16 bcount;
 	u8 scsi = !!(drive->dev_flags & IDE_DFLAG_SCSI);
 
@@ -574,8 +575,14 @@ ide_startstop_t ide_issue_pc(ide_drive_t *drive, unsigned int timeout,
 	if (!drive->dma)
 		pc->flags &= ~PC_FLAG_DMA_OK;
 
-	ide_pktcmd_tf_load(drive, scsi ? 0 : IDE_TFLAG_OUT_DEVICE, bcount,
-			   drive->dma);
+	if (scsi)
+		tf_flags = 0;
+	else if (drive->media == ide_cdrom || drive->media == ide_optical)
+		tf_flags = IDE_TFLAG_OUT_NSECT | IDE_TFLAG_OUT_LBAL;
+	else
+		tf_flags = IDE_TFLAG_OUT_DEVICE;
+
+	ide_pktcmd_tf_load(drive, tf_flags, bcount, drive->dma);
 
 	/* Issue the packet command */
 	if (drive->atapi_flags & IDE_AFLAG_DRQ_INTERRUPT) {