From bef9253f551189febf0052a06dc079eb34137a58 Mon Sep 17 00:00:00 2001 From: Alexey Kardashevskiy Date: Fri, 29 Apr 2016 18:55:17 +1000 Subject: [PATCH] powerpc/powernv: Define TCE Kill flags This replaces magic constants for TCE Kill IODA2 register with macros. Signed-off-by: Alexey Kardashevskiy Reviewed-by: David Gibson Signed-off-by: Michael Ellerman --- 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 acce430..d7fbbf18 100644 --- a/arch/powerpc/platforms/powernv/pci-ioda.c +++ b/arch/powerpc/platforms/powernv/pci-ioda.c @@ -1840,10 +1840,13 @@ 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; @@ -1871,7 +1874,7 @@ 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; -- 2.7.4