This replaces magic constants for TCE Kill IODA2 register with macros.
Signed-off-by: Alexey Kardashevskiy <aik@xxxxxxxxx>
Reviewed-by: David Gibson <david@xxxxxxxxxxxxxxxxxxxxx>
---
arch/powerpc/platforms/powernv/pci-ioda.c | 7 +++++--
1 file changed, 5 insertions(+), 2 deletions(-)
diff --git a/arch/powerpc/platforms/powernv/pci-ioda.c b/arch/powerpc/platforms/powernv/pci-ioda.c
index ca307b6..03be25d 100644
--- a/arch/powerpc/platforms/powernv/pci-ioda.c
+++ b/arch/powerpc/platforms/powernv/pci-ioda.c
@@ -1811,10 +1811,13 @@ static struct iommu_table_ops pnv_ioda1_iommu_ops = {
.get = pnv_tce_get,
};
+#define TCE_KILL_INVAL_PE PPC_BIT(1)
+#define TCE_KILL_INVAL_TCE PPC_BIT(2)
+
static inline void pnv_pci_ioda2_tce_invalidate_pe(struct pnv_ioda_pe *pe)
{
/* 01xb - invalidate TCEs that match the specified PE# */
- unsigned long val = (0x4ull << 60) | (pe->pe_number & 0xFF);
+ unsigned long val = TCE_KILL_INVAL_PE | (pe->pe_number & 0xFF);
struct pnv_phb *phb = pe->phb;
struct pnv_ioda_pe *npe;
int i;
@@ -1842,7 +1845,7 @@ static void pnv_pci_ioda2_do_tce_invalidate(unsigned pe_number, bool rm,
unsigned long start, end, inc;
/* We'll invalidate DMA address in PE scope */
- start = 0x2ull << 60;
+ start = TCE_KILL_INVAL_TCE;
start |= (pe_number & 0xFF);
end = start;
--
2.5.0.rc3
--
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