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Commit 0ab3d8b3 authored by Bartlomiej Zolnierkiewicz's avatar Bartlomiej Zolnierkiewicz Committed by David S. Miller
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cy82c693: fix PCI device selection 



Wrong PCI device may be selected by cy82c693_set_pio_mode() if modular
IDE host drivers are used and there are additional IDE PCI devices
installed in the system.  Fix it.

Signed-off-by: default avatarBartlomiej Zolnierkiewicz <bzolnier@gmail.com>
Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
parent acc8dbe7

drivers/ide/cy82c693.c

+3 −3
Original line number Diff line number Diff line 
/*

 *  Copyright (C) 1998-2000 Andreas S. Krebs (akrebs@altavista.net), Maintainer

 *  Copyright (C) 1998-2002 Andre Hedrick <andre@linux-ide.org>, Integrator

 *  Copyright (C) 2007-2010 Bartlomiej Zolnierkiewicz

 *  Copyright (C) 2007-2011 Bartlomiej Zolnierkiewicz

 *

 * CYPRESS CY82C693 chipset IDE controller

 *
@@ -90,7 +90,7 @@ static void cy82c693_set_pio_mode(ide_hwif_t *hwif, ide_drive_t *drive) 
	u8 time_16, time_8;



	/* select primary or secondary channel */

	if (hwif->index > 0) {  /* drive is on the secondary channel */

	if (drive->dn > 1) {  /* drive is on the secondary channel */

		dev = pci_get_slot(dev->bus, dev->devfn+1);

		if (!dev) {

			printk(KERN_ERR "%s: tune_drive: "
@@ -141,7 +141,7 @@ static void cy82c693_set_pio_mode(ide_hwif_t *hwif, ide_drive_t *drive) 
		pci_write_config_byte(dev, CY82_IDE_SLAVE_IOW, time_16);

		pci_write_config_byte(dev, CY82_IDE_SLAVE_8BIT, time_8);

	}

	if (hwif->index > 0)

	if (drive->dn > 1)

		pci_dev_put(dev);

}