X-Git-Url: http://pilppa.org/gitweb/gitweb.cgi?a=blobdiff_plain;f=drivers%2Fide%2Fpci%2Fpdc202xx_old.c;h=143239c093d5a5b6da40e5d48b8cda549d358692;hb=51e6ed23fc95c3e710d8a98717924ccb2571aa66;hp=b46022a11bef82a2576d0e684282780ba814e0d6;hpb=a8c4c20dfa8b28a3c99e33c639d9c2ea5657741e;p=linux-2.6-omap-h63xx.git

diff --git a/drivers/ide/pci/pdc202xx_old.c b/drivers/ide/pci/pdc202xx_old.c
index b46022a11be..143239c093d 100644
--- a/drivers/ide/pci/pdc202xx_old.c
+++ b/drivers/ide/pci/pdc202xx_old.c
@@ -154,7 +154,8 @@ static int pdc202xx_tune_chipset (ide_drive_t *drive, u8 xferspeed)
 	u8			AP, BP, CP, DP;
 	u8			TA = 0, TB = 0, TC = 0;
 
-	if ((drive->media != ide_disk) && (speed < XFER_SW_DMA_0))
+	if (drive->media != ide_disk &&
+		drive->media != ide_cdrom && speed < XFER_SW_DMA_0)
 		return -1;
 
 	pci_read_config_dword(dev, drive_pci, &drive_conf);
@@ -330,14 +331,12 @@ static int config_chipset_for_dma (ide_drive_t *drive)
 
 chipset_is_set:
 
-	if (drive->media == ide_disk) {
-		pci_read_config_byte(dev, (drive_pci), &AP);
-		if (id->capability & 4)	/* IORDY_EN */
-			pci_write_config_byte(dev, (drive_pci), AP|IORDY_EN);
-		pci_read_config_byte(dev, (drive_pci), &AP);
-		if (drive->media == ide_disk)	/* PREFETCH_EN */
-			pci_write_config_byte(dev, (drive_pci), AP|PREFETCH_EN);
-	}
+	pci_read_config_byte(dev, (drive_pci), &AP);
+	if (id->capability & 4) /* IORDY_EN */
+		pci_write_config_byte(dev, (drive_pci), AP|IORDY_EN);
+	pci_read_config_byte(dev, (drive_pci), &AP);
+	if (drive->media == ide_disk)	/* PREFETCH_EN */
+		pci_write_config_byte(dev, (drive_pci), AP|PREFETCH_EN);
 
 	speed = ide_dma_speed(drive, pdc202xx_ratemask(drive));
 
@@ -385,7 +384,7 @@ static void pdc202xx_old_ide_dma_start(ide_drive_t *drive)
 {
 	if (drive->current_speed > XFER_UDMA_2)
 		pdc_old_enable_66MHz_clock(drive->hwif);
-	if (drive->addressing == 1) {
+	if (drive->media != ide_disk || drive->addressing == 1) {
 		struct request *rq	= HWGROUP(drive)->rq;
 		ide_hwif_t *hwif	= HWIF(drive);
 		unsigned long high_16   = hwif->dma_master;
@@ -405,7 +404,7 @@ static void pdc202xx_old_ide_dma_start(ide_drive_t *drive)
 
 static int pdc202xx_old_ide_dma_end(ide_drive_t *drive)
 {
-	if (drive->addressing == 1) {
+	if (drive->media != ide_disk || drive->addressing == 1) {
 		ide_hwif_t *hwif	= HWIF(drive);
 		unsigned long high_16	= hwif->dma_master;
 		unsigned long atapi_reg	= high_16 + (hwif->channel ? 0x24 : 0x20);
@@ -519,6 +518,7 @@ static void __devinit init_hwif_pdc202xx(ide_hwif_t *hwif)
 	hwif->ultra_mask = 0x3f;
 	hwif->mwdma_mask = 0x07;
 	hwif->swdma_mask = 0x07;
+	hwif->atapi_dma = 1;
 
 	hwif->err_stops_fifo = 1;
 
@@ -719,7 +719,7 @@ static struct pci_driver driver = {
 	.probe		= pdc202xx_init_one,
 };
 
-static int pdc202xx_ide_init(void)
+static int __init pdc202xx_ide_init(void)
 {
 	return ide_pci_register_driver(&driver);
 }