Commit d8f4469d authored by Bartlomiej Zolnierkiewicz's avatar Bartlomiej Zolnierkiewicz
Browse files

ide: disable DMA in ->ide_dma_check for "no IORDY" case (v2) 



If DMA is unsupported ->ide_dma_check should disable DMA.

v2:
* updated for scc_pata

Signed-off-by: default avatarBartlomiej Zolnierkiewicz <bzolnier@gmail.com>
parent 2ad1e558

drivers/ide/pci/aec62xx.c

+3 −5
Original line number Diff line number Diff line
@@ -214,13 +214,11 @@ static int aec62xx_config_drive_xfer_rate (ide_drive_t *drive) 
	if (ide_use_dma(drive) && config_chipset_for_dma(drive))

		return hwif->ide_dma_on(drive);



	if (ide_use_fast_pio(drive)) {

	if (ide_use_fast_pio(drive))

		aec62xx_tune_drive(drive, 5);



	return hwif->ide_dma_off_quietly(drive);

}

	/* IORDY not supported */

	return 0;

}



static int aec62xx_irq_timeout (ide_drive_t *drive)

{

drivers/ide/pci/atiixp.c

+2 −3
Original line number Diff line number Diff line
@@ -264,10 +264,9 @@ static int atiixp_dma_check(ide_drive_t *drive) 
		tspeed = ide_get_best_pio_mode(drive, 255, 5, NULL);

		speed = atiixp_dma_2_pio(XFER_PIO_0 + tspeed) + XFER_PIO_0;

		hwif->speedproc(drive, speed);

		return hwif->ide_dma_off_quietly(drive);

	}

	/* IORDY not supported */

	return 0;



	return hwif->ide_dma_off_quietly(drive);

}



/**

drivers/ide/pci/cmd64x.c

+3 −5
Original line number Diff line number Diff line
@@ -479,13 +479,11 @@ static int cmd64x_config_drive_for_dma (ide_drive_t *drive) 
	if (ide_use_dma(drive) && config_chipset_for_dma(drive))

		return hwif->ide_dma_on(drive);



	if (ide_use_fast_pio(drive)) {

	if (ide_use_fast_pio(drive))

		config_chipset_for_pio(drive, 1);



	return hwif->ide_dma_off_quietly(drive);

}

	/* IORDY not supported */

	return 0;

}



static int cmd64x_alt_dma_status (struct pci_dev *dev)

{

drivers/ide/pci/cs5535.c

+2 −3
Original line number Diff line number Diff line
@@ -206,10 +206,9 @@ static int cs5535_dma_check(ide_drive_t *drive) 
	if (ide_use_fast_pio(drive)) {

		speed = ide_get_best_pio_mode(drive, 255, 4, NULL);

		cs5535_set_drive(drive, speed);

		return hwif->ide_dma_off_quietly(drive);

	}

	/* IORDY not supported */

	return 0;



	return hwif->ide_dma_off_quietly(drive);

}



static u8 __devinit cs5535_cable_detect(struct pci_dev *dev)

drivers/ide/pci/hpt34x.c

+3 −5
Original line number Diff line number Diff line
@@ -120,13 +120,11 @@ static int hpt34x_config_drive_xfer_rate (ide_drive_t *drive) 
		return hwif->ide_dma_on(drive);

#endif



	if (ide_use_fast_pio(drive)) {

	if (ide_use_fast_pio(drive))

		hpt34x_tune_drive(drive, 255);



	return hwif->ide_dma_off_quietly(drive);

}

	/* IORDY not supported */

	return 0;

}



/*

 * If the BIOS does not set the IO base addaress to XX00, 343 will fail.

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