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authorMuli Ben-Yehuda <muli@il.ibm.com>2007-07-21 17:10:57 +0200
committerLinus Torvalds <torvalds@woody.linux-foundation.org>2007-07-21 18:37:11 -0700
commitddbd41b4e76f2b586366df0e85df80729ef90bc5 (patch)
tree421203a38a779f55194ff33f5fe045dd9d3701cf
parent8cb32dc748571fb474018172e6b59e5a06123192 (diff)
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>
-rw-r--r--arch/x86_64/kernel/pci-calgary.c9
1 files changed, 6 insertions, 3 deletions
diff --git a/arch/x86_64/kernel/pci-calgary.c b/arch/x86_64/kernel/pci-calgary.c
index f5828db1522..ed16a107d2d 100644
--- a/arch/x86_64/kernel/pci-calgary.c
+++ b/arch/x86_64/kernel/pci-calgary.c
@@ -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)