Commit ddbd41b4 authored by Muli Ben-Yehuda's avatar Muli Ben-Yehuda Committed by Linus Torvalds

x86_64: grab PLSSR too when a DMA error occurs

Signed-off-by: default avatarMuli Ben-Yehuda <muli@il.ibm.com>
Signed-off-by: default avatarAndrew Morton <akpm@linux-foundation.org>
Signed-off-by: default avatarAndi Kleen <ak@suse.de>
Signed-off-by: default avatarLinus Torvalds <torvalds@linux-foundation.org>
parent 8cb32dc7
......@@ -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)
......
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