From: Bartlomiej Zolnierkiewicz Date: Thu, 18 Oct 2007 22:30:10 +0000 (+0200) Subject: aec62xx: no need to disable UDMA in ->init_hwif method for ATP850UF X-Git-Tag: v2.6.24-rc1~287^2~12 X-Git-Url: https://asedeno.scripts.mit.edu/gitweb/?a=commitdiff_plain;h=6a7f62af60fe903e74a8f8d530c2d5bfea1121bb;p=linux.git aec62xx: no need to disable UDMA in ->init_hwif method for ATP850UF * No need to disable UDMA in ->init_hwif method for ATP850UF (and since we now always tune PIO it will be disabled by ->set_pio_mode calls anyway). * Bump driver version. Acked-by: Sergei Shtylyov Signed-off-by: Bartlomiej Zolnierkiewicz --- diff --git a/drivers/ide/pci/aec62xx.c b/drivers/ide/pci/aec62xx.c index 3f03acea5987..be0d077dbbdf 100644 --- a/drivers/ide/pci/aec62xx.c +++ b/drivers/ide/pci/aec62xx.c @@ -1,5 +1,5 @@ /* - * linux/drivers/ide/pci/aec62xx.c Version 0.25 Aug 1, 2007 + * linux/drivers/ide/pci/aec62xx.c Version 0.26 Sep 1, 2007 * * Copyright (C) 1999-2002 Andre Hedrick * Copyright (C) 2007 MontaVista Software, Inc. @@ -184,8 +184,6 @@ static unsigned int __devinit init_chipset_aec62xx(struct pci_dev *dev, const ch static void __devinit init_hwif_aec62xx(ide_hwif_t *hwif) { struct pci_dev *dev = hwif->pci_dev; - u8 reg54 = 0, mask = hwif->channel ? 0xf0 : 0x0f; - unsigned long flags; hwif->set_pio_mode = &aec_set_pio_mode; @@ -203,12 +201,10 @@ static void __devinit init_hwif_aec62xx(ide_hwif_t *hwif) hwif->dma_lost_irq = &aec62xx_dma_lost_irq; - if (dev->device == PCI_DEVICE_ID_ARTOP_ATP850UF) { - spin_lock_irqsave(&ide_lock, flags); - pci_read_config_byte (dev, 0x54, ®54); - pci_write_config_byte(dev, 0x54, (reg54 & ~mask)); - spin_unlock_irqrestore(&ide_lock, flags); - } else if (hwif->cbl != ATA_CBL_PATA40_SHORT) { + if (dev->device == PCI_DEVICE_ID_ARTOP_ATP850UF) + return; + + if (hwif->cbl != ATA_CBL_PATA40_SHORT) { u8 ata66 = 0, mask = hwif->channel ? 0x02 : 0x01; pci_read_config_byte(hwif->pci_dev, 0x49, &ata66);