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path: root/drivers/ide/ide-atapi.c
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Diffstat (limited to 'drivers/ide/ide-atapi.c')
-rw-r--r--drivers/ide/ide-atapi.c15
1 files changed, 7 insertions, 8 deletions
diff --git a/drivers/ide/ide-atapi.c b/drivers/ide/ide-atapi.c
index f7fe1decb59..2fb5d28a9be 100644
--- a/drivers/ide/ide-atapi.c
+++ b/drivers/ide/ide-atapi.c
@@ -493,6 +493,7 @@ static void ide_init_packet_cmd(struct ide_cmd *cmd, u32 tf_flags,
cmd->protocol = dma ? ATAPI_PROT_DMA : ATAPI_PROT_PIO;
cmd->tf_flags |= IDE_TFLAG_OUT_LBAH | IDE_TFLAG_OUT_LBAM |
IDE_TFLAG_OUT_FEATURE | tf_flags;
+ cmd->tf.command = ATA_CMD_PACKET;
cmd->tf.feature = dma; /* Use PIO/DMA */
cmd->tf.lbam = bcount & 0xff;
cmd->tf.lbah = (bcount >> 8) & 0xff;
@@ -638,6 +639,7 @@ ide_startstop_t ide_issue_pc(ide_drive_t *drive, struct ide_cmd *cmd)
unsigned int timeout;
u32 tf_flags;
u16 bcount;
+ u8 drq_int = !!(drive->atapi_flags & IDE_AFLAG_DRQ_INTERRUPT);
if (dev_is_idecd(drive)) {
tf_flags = IDE_TFLAG_OUT_NSECT | IDE_TFLAG_OUT_LBAL;
@@ -687,17 +689,14 @@ ide_startstop_t ide_issue_pc(ide_drive_t *drive, struct ide_cmd *cmd)
(void)do_rw_taskfile(drive, cmd);
- /* Issue the packet command */
- if (drive->atapi_flags & IDE_AFLAG_DRQ_INTERRUPT) {
+ if (drq_int) {
if (drive->dma)
drive->waiting_for_dma = 0;
hwif->expiry = expiry;
- ide_execute_command(drive, ATA_CMD_PACKET, ide_transfer_pc,
- timeout);
- return ide_started;
- } else {
- ide_execute_pkt_cmd(drive);
- return ide_transfer_pc(drive);
}
+
+ ide_execute_command(drive, cmd, ide_transfer_pc, timeout);
+
+ return drq_int ? ide_started : ide_transfer_pc(drive);
}
EXPORT_SYMBOL_GPL(ide_issue_pc);