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x86_64: grab PLSSR too when a DMA error occurs 

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 17:10:57 +02:00 committed by Linus Torvalds
parent 8cb32dc748
commit ddbd41b4e7
1 changed files with 6 additions and 3 deletions
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9
arch/x86_64/kernel/pci-calgary.c
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@ -900,15 +900,18 @@ static void __init calgary_free_bus(struct pci_dev *dev)
static void calgary_dump_error_regs(struct iommu_table *tbl)
{
void __iomem *bbar = tbl->bbar;
u32 val32;
void __iomem *target;
u32 csr, plssr;
target = calgary_reg(bbar, phb_offset(tbl->it_busno) | PHB_CSR_OFFSET);
val32 = be32_to_cpu(readl(target));
csr = be32_to_cpu(readl(target));
target = calgary_reg(bbar, phb_offset(tbl->it_busno) | PHB_PLSSR_OFFSET);
plssr = be32_to_cpu(readl(target));
/* If no error, the agent ID in the CSR is not valid */
printk(KERN_EMERG "Calgary: DMA error on Calgary PHB 0x%x, "
"CSR = 0x%08x\n", tbl->it_busno, val32);
"0x%08x@CSR 0x%08x@PLSSR\n", tbl->it_busno, csr, plssr);
}
static void calioc2_dump_error_regs(struct iommu_table *tbl)