From: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
To: linux-ide@vger.kernel.org
Subject: [PATCH 1/13] aec62xx: no need to disable UDMA in ->init_hwif method for ATP850UF
Date: Wed, 5 Sep 2007 23:50:36 +0200 [thread overview]
Message-ID: <200709052350.36494.bzolnier@gmail.com> (raw)
* 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.
Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
---
drivers/ide/pci/aec62xx.c | 14 +++++---------
1 file changed, 5 insertions(+), 9 deletions(-)
Index: b/drivers/ide/pci/aec62xx.c
===================================================================
--- 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 <andre@linux-ide.org>
* Copyright (C) 2007 MontaVista Software, Inc. <source@mvista.com>
@@ -184,8 +184,6 @@ static unsigned int __devinit init_chips
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(
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);
next reply other threads:[~2007-09-05 21:58 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2007-09-05 21:50 Bartlomiej Zolnierkiewicz [this message]
2007-09-29 19:27 ` [PATCH 1/13] aec62xx: no need to disable UDMA in ->init_hwif method for ATP850UF Sergei Shtylyov
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