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x86_64: introduce handle_quirks() for various chipset quirks

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Move the aic94xx split completion timeout handling there.

Signed-off-by: Muli Ben-Yehuda <muli@il.ibm.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Andi Kleen <ak@suse.de>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
This commit is contained in:
Muli Ben-Yehuda 2007-07-21 17:10:49 +02:00 committed by Linus Torvalds
parent 9882234bf2
commit b8d2ea1b87
1 changed files with 17 additions and 8 deletions
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25
arch/x86_64/kernel/pci-calgary.c
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@ -807,6 +807,20 @@ static void __init calgary_set_split_completion_timeout(void __iomem *bbar,
readq(target); /* flush */
}
static void __init calgary_handle_quirks(struct pci_dev* dev)
{
unsigned char busnum = dev->bus->number;
struct iommu_table *tbl = dev->sysdata;
/*
* Give split completion a longer timeout on bus 1 for aic94xx
* http://bugzilla.kernel.org/show_bug.cgi?id=7180
*/
if (busnum == 1)
calgary_set_split_completion_timeout(tbl->bbar, busnum,
CCR_2SEC_TIMEOUT);
}
static void __init calgary_enable_translation(struct pci_dev *dev)
{
u32 val32;
@ -831,14 +845,6 @@ static void __init calgary_enable_translation(struct pci_dev *dev)
writel(cpu_to_be32(val32), target);
readl(target); /* flush */
/*
* Give split completion a longer timeout on bus 1 for aic94xx
* http://bugzilla.kernel.org/show_bug.cgi?id=7180
*/
if (busnum == 1)
calgary_set_split_completion_timeout(bbar, busnum,
CCR_2SEC_TIMEOUT);
init_timer(&tbl->watchdog_timer);
tbl->watchdog_timer.function = &calgary_watchdog;
tbl->watchdog_timer.data = (unsigned long)dev;
@ -890,6 +896,9 @@ static int __init calgary_init_one(struct pci_dev *dev)
pci_dev_get(dev);
dev->bus->self = dev;
calgary_handle_quirks(dev);
calgary_enable_translation(dev);
return 0;