[POWERPC] Celleb: interfaces to the hypervisor

[linux-2.6] / drivers / ide / ide-cd.c

diff --git a/drivers/ide/ide-cd.c b/drivers/ide/ide-cd.c
index e7513e55ace8b57d40018ac0e8e595898d97d051..5969cec58dc155c2f21aea7e72c4b6d6aca9eb94 100644 (file)
--- a/drivers/ide/ide-cd.c
+++ b/drivers/ide/ide-cd.c
@@ -687,8 +687,15 @@ static void ide_dump_status_no_sense(ide_drive_t *drive, const char *msg, u8 sta
 static int cdrom_decode_status(ide_drive_t *drive, int good_stat, int *stat_ret)
 {
        struct request *rq = HWGROUP(drive)->rq;
+       ide_hwif_t *hwif = HWIF(drive);
        int stat, err, sense_key;
        
+       /* We may have bogus DMA interrupts in PIO state here */
+       if (HWIF(drive)->dma_status && hwif->atapi_irq_bogon) {
+               stat = hwif->INB(hwif->dma_status);
+               /* Should we force the bit as well ? */
+               hwif->OUTB(stat, hwif->dma_status);
+       }
        /* Check for errors. */
        stat = HWIF(drive)->INB(IDE_STATUS_REG);
        if (stat_ret)
@@ -716,7 +723,7 @@ static int cdrom_decode_status(ide_drive_t *drive, int good_stat, int *stat_ret)
                ide_error(drive, "request sense failure", stat);
                return 1;
 
-       } else if (blk_pc_request(rq)) {
+       } else if (blk_pc_request(rq) || rq->cmd_type == REQ_TYPE_ATA_PC) {
                /* All other functions, except for READ. */
                unsigned long flags;
 
@@ -724,7 +731,7 @@ static int cdrom_decode_status(ide_drive_t *drive, int good_stat, int *stat_ret)
                 * if we have an error, pass back CHECK_CONDITION as the
                 * scsi status byte
                 */
-               if (!rq->errors)
+               if (blk_pc_request(rq) && !rq->errors)
                        rq->errors = SAM_STAT_CHECK_CONDITION;
 
                /* Check for tray open. */