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Commit f3610376 authored by Bartlomiej Zolnierkiewicz's avatar Bartlomiej Zolnierkiewicz
Browse files

opti621: remove DMA support 



These controllers don't support DMA.

Based on a bugreport from Juergen Kosel & inspired by pata_opti.c code.

Tested-by: default avatarJuergen Kosel <juergen.kosel@gmx.de>
Acked-by: default avatarSergei Shtylyov <sshtylyov@ru.mvista.com>
Signed-off-by: default avatarBartlomiej Zolnierkiewicz <bzolnier@gmail.com>
parent 62128b2c

drivers/ide/pci/opti621.c

+2 −6
Original line number Diff line number Diff line
@@ -324,18 +324,14 @@ static const struct ide_port_info opti621_chipsets[] __devinitdata = { 
		.name		= "OPTI621",

		.enablebits	= { {0x45, 0x80, 0x00}, {0x40, 0x08, 0x00} },

		.port_ops	= &opti621_port_ops,

		.host_flags	= IDE_HFLAG_TRUST_BIOS_FOR_DMA,

		.host_flags	= IDE_HFLAG_NO_DMA,

		.pio_mask	= ATA_PIO3,

		.swdma_mask	= ATA_SWDMA2,

		.mwdma_mask	= ATA_MWDMA2,

	}, {	/* 1 */

		.name		= "OPTI621X",

		.enablebits	= { {0x45, 0x80, 0x00}, {0x40, 0x08, 0x00} },

		.port_ops	= &opti621_port_ops,

		.host_flags	= IDE_HFLAG_TRUST_BIOS_FOR_DMA,

		.host_flags	= IDE_HFLAG_NO_DMA,

		.pio_mask	= ATA_PIO3,

		.swdma_mask	= ATA_SWDMA2,

		.mwdma_mask	= ATA_MWDMA2,

	}

};