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Commit e4afb29f authored by David S. Miller's avatar David S. Miller
Browse files

Revert "via82cxxx: workaround h/w bugs" 



This reverts commit f931a5d5.

It causes regressions for some users.

Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
parent b72c4094

drivers/ide/via82cxxx.c

+0 −57
Original line number Diff line number Diff line
@@ -110,7 +110,6 @@ struct via82cxxx_dev 
{

	struct via_isa_bridge *via_config;

	unsigned int via_80w;

	u8 cached_device[2];

};



/**
@@ -403,66 +402,10 @@ static const struct ide_port_ops via_port_ops = { 
	.cable_detect		= via82cxxx_cable_detect,

};



static void via_write_devctl(ide_hwif_t *hwif, u8 ctl)

{

	struct via82cxxx_dev *vdev = hwif->host->host_priv;



	outb(ctl, hwif->io_ports.ctl_addr);

	outb(vdev->cached_device[hwif->channel], hwif->io_ports.device_addr);

}



static void __via_dev_select(ide_drive_t *drive, u8 select)

{

	ide_hwif_t *hwif = drive->hwif;

	struct via82cxxx_dev *vdev = hwif->host->host_priv;



	outb(select, hwif->io_ports.device_addr);

	vdev->cached_device[hwif->channel] = select;

}



static void via_dev_select(ide_drive_t *drive)

{

	__via_dev_select(drive, drive->select | ATA_DEVICE_OBS);

}



static void via_tf_load(ide_drive_t *drive, struct ide_taskfile *tf, u8 valid)

{

	ide_hwif_t *hwif = drive->hwif;

	struct ide_io_ports *io_ports = &hwif->io_ports;



	if (valid & IDE_VALID_FEATURE)

		outb(tf->feature, io_ports->feature_addr);

	if (valid & IDE_VALID_NSECT)

		outb(tf->nsect, io_ports->nsect_addr);

	if (valid & IDE_VALID_LBAL)

		outb(tf->lbal, io_ports->lbal_addr);

	if (valid & IDE_VALID_LBAM)

		outb(tf->lbam, io_ports->lbam_addr);

	if (valid & IDE_VALID_LBAH)

		outb(tf->lbah, io_ports->lbah_addr);

	if (valid & IDE_VALID_DEVICE)

		__via_dev_select(drive, tf->device);

}



const struct ide_tp_ops via_tp_ops = {

	.exec_command		= ide_exec_command,

	.read_status		= ide_read_status,

	.read_altstatus		= ide_read_altstatus,

	.write_devctl		= via_write_devctl,



	.dev_select		= via_dev_select,

	.tf_load		= via_tf_load,

	.tf_read		= ide_tf_read,



	.input_data		= ide_input_data,

	.output_data		= ide_output_data,

};



static const struct ide_port_info via82cxxx_chipset __devinitdata = {

	.name		= DRV_NAME,

	.init_chipset	= init_chipset_via82cxxx,

	.enablebits	= { { 0x40, 0x02, 0x02 }, { 0x40, 0x01, 0x01 } },

	.tp_ops		= &via_tp_ops,

	.port_ops	= &via_port_ops,

	.host_flags	= IDE_HFLAG_PIO_NO_BLACKLIST |

			  IDE_HFLAG_POST_SET_MODE |