Commit 07af5a5b authored by Bartlomiej Zolnierkiewicz's avatar Bartlomiej Zolnierkiewicz
Browse files

it821x: use ide_get_pair_dev() helper 



Because presence of the peer device was not checked in
it821x_set_pio_mode() PIO0 mode was used for taskfile PIO
in single device configurations.

Acked-by: default avatarSergei Shtylyov <sshtylyov@ru.mvista.com>
Signed-off-by: default avatarBartlomiej Zolnierkiewicz <bzolnier@gmail.com>
parent 5d44a150

drivers/ide/it821x.c

+2 −6
Original line number Diff line number Diff line
@@ -167,12 +167,10 @@ static void it821x_clock_strategy(ide_drive_t *drive) 
	ide_hwif_t *hwif = drive->hwif;

	struct pci_dev *dev = to_pci_dev(hwif->dev);

	struct it821x_dev *itdev = ide_get_hwifdata(hwif);

	ide_drive_t *pair;

	ide_drive_t *pair = ide_get_pair_dev(drive);

	int clock, altclock, sel = 0;

	u8 unit = drive->dn & 1, v;



	pair = &hwif->drives[1 - unit];



	if(itdev->want[0][0] > itdev->want[1][0]) {

		clock = itdev->want[0][1];

		altclock = itdev->want[1][1];
@@ -239,15 +237,13 @@ static void it821x_set_pio_mode(ide_drive_t *drive, const u8 pio) 
{

	ide_hwif_t *hwif = drive->hwif;

	struct it821x_dev *itdev = ide_get_hwifdata(hwif);

	ide_drive_t *pair;

	ide_drive_t *pair = ide_get_pair_dev(drive);

	u8 unit = drive->dn & 1, set_pio = pio;



	/* Spec says 89 ref driver uses 88 */

	static u16 pio_timings[]= { 0xAA88, 0xA382, 0xA181, 0x3332, 0x3121 };

	static u8 pio_want[]    = { ATA_66, ATA_66, ATA_66, ATA_66, ATA_ANY };



	pair = &hwif->drives[1 - unit];



	/*

	 * Compute the best PIO mode we can for a given device. We must

	 * pick a speed that does not cause problems with the other device