From 8fccf8995c6d462db50265a5f7fa9a288a5a4590 Mon Sep 17 00:00:00 2001 From: Borislav Petkov Date: Wed, 23 Jul 2008 19:56:01 +0200 Subject: [PATCH] ide: use rq->cmd instead of pc->c in atapi common code There should be no functionality change resulting from this patch. [bart: s/HWGROUP(drive)/hwif->hwgroup/] Signed-off-by: Borislav Petkov Signed-off-by: Bartlomiej Zolnierkiewicz --- drivers/ide/ide-atapi.c | 18 +++++++++++++----- 1 file changed, 13 insertions(+), 5 deletions(-) diff --git a/drivers/ide/ide-atapi.c b/drivers/ide/ide-atapi.c index 0e9eeb08da2d..f848010c15a5 100644 --- a/drivers/ide/ide-atapi.c +++ b/drivers/ide/ide-atapi.c @@ -22,6 +22,7 @@ ide_startstop_t ide_pc_intr(ide_drive_t *drive, struct ide_atapi_pc *pc, void (*io_buffers)(ide_drive_t *, struct ide_atapi_pc *, unsigned, int)) { ide_hwif_t *hwif = drive->hwif; + struct request *rq = hwif->hwgroup->rq; const struct ide_tp_ops *tp_ops = hwif->tp_ops; xfer_func_t *xferfunc; unsigned int temp; @@ -64,8 +65,9 @@ ide_startstop_t ide_pc_intr(ide_drive_t *drive, struct ide_atapi_pc *pc, local_irq_enable_in_hardirq(); if (drive->media == ide_tape && !scsi && - (stat & ERR_STAT) && pc->c[0] == REQUEST_SENSE) + (stat & ERR_STAT) && rq->cmd[0] == REQUEST_SENSE) stat &= ~ERR_STAT; + if ((stat & ERR_STAT) || (pc->flags & PC_FLAG_DMA_ERROR)) { /* Error detected */ debug_log("%s: I/O error\n", drive->name); @@ -76,16 +78,17 @@ ide_startstop_t ide_pc_intr(ide_drive_t *drive, struct ide_atapi_pc *pc, goto cmd_finished; } - if (pc->c[0] == REQUEST_SENSE) { + if (rq->cmd[0] == REQUEST_SENSE) { printk(KERN_ERR "%s: I/O error in request sense" " command\n", drive->name); return ide_do_reset(drive); } - debug_log("[cmd %x]: check condition\n", pc->c[0]); + debug_log("[cmd %x]: check condition\n", rq->cmd[0]); /* Retry operation */ retry_pc(drive); + /* queued, but not started */ return ide_stopped; } @@ -96,8 +99,10 @@ ide_startstop_t ide_pc_intr(ide_drive_t *drive, struct ide_atapi_pc *pc, dsc_handle(drive); return ide_stopped; } + /* Command finished - Call the callback function */ drive->pc_callback(drive); + return ide_stopped; } @@ -116,6 +121,7 @@ ide_startstop_t ide_pc_intr(ide_drive_t *drive, struct ide_atapi_pc *pc, printk(KERN_ERR "%s: CoD != 0 in %s\n", drive->name, __func__); return ide_do_reset(drive); } + if (((ireason & IO) == IO) == !!(pc->flags & PC_FLAG_WRITING)) { /* Hopefully, we will never get here */ printk(KERN_ERR "%s: We wanted to %s, but the device wants us " @@ -124,6 +130,7 @@ ide_startstop_t ide_pc_intr(ide_drive_t *drive, struct ide_atapi_pc *pc, (ireason & IO) ? "Read" : "Write"); return ide_do_reset(drive); } + if (!(pc->flags & PC_FLAG_WRITING)) { /* Reading - Check that we have enough space */ temp = pc->xferred + bcount; @@ -174,7 +181,7 @@ ide_startstop_t ide_pc_intr(ide_drive_t *drive, struct ide_atapi_pc *pc, pc->cur_pos += bcount; debug_log("[cmd %x] transferred %d bytes on that intr.\n", - pc->c[0], bcount); + rq->cmd[0], bcount); /* And set the interrupt handler again */ ide_set_handler(drive, handler, timeout, expiry); @@ -220,6 +227,7 @@ ide_startstop_t ide_transfer_pc(ide_drive_t *drive, struct ide_atapi_pc *pc, ide_expiry_t *expiry) { ide_hwif_t *hwif = drive->hwif; + struct request *rq = hwif->hwgroup->rq; ide_startstop_t startstop; u8 ireason; @@ -250,7 +258,7 @@ ide_startstop_t ide_transfer_pc(ide_drive_t *drive, struct ide_atapi_pc *pc, /* Send the actual packet */ if ((pc->flags & PC_FLAG_ZIP_DRIVE) == 0) - hwif->tp_ops->output_data(drive, NULL, pc->c, 12); + hwif->tp_ops->output_data(drive, NULL, rq->cmd, 12); return ide_started; }