[POWERPC] cell: use spu_load_slb for SLB setup

Now that we have a helper function to setup a SPU SLB, use it for
__spu_trap_data_seq.

Signed-off-by: Jeremy Kerr <jk@ozlabs.org>
Signed-off-by: Arnd Bergmann <arnd@arndb.de>

1 files changed, 10 insertions, 13 deletions

diff --git a/arch/powerpc/platforms/cell/spu_base.c b/arch/powerpc/platforms/cell/spu_base.c
index 2ec1d38829dd..8398af6b5c0b 100644
--- a/arch/powerpc/platforms/cell/spu_base.c
+++ b/arch/powerpc/platforms/cell/spu_base.c
@@ -169,9 +169,8 @@ static inline void spu_load_slb(struct spu *spu, int slbe, struct spu_slb *slb)
 
 static int __spu_trap_data_seg(struct spu *spu, unsigned long ea)
 {
-        struct spu_priv2 __iomem *priv2 = spu->priv2;
         struct mm_struct *mm = spu->mm;
-        u64 esid, vsid, llp;
+        struct spu_slb slb;
         int psize;
 
         pr_debug("%s\n", __FUNCTION__);
@@ -183,7 +182,7 @@ static int __spu_trap_data_seg(struct spu *spu, unsigned long ea)
                 printk("%s: invalid access during switch!\n", __func__);
                 return 1;
         }
-        esid = (ea & ESID_MASK) | SLB_ESID_V;
+        slb.esid = (ea & ESID_MASK) | SLB_ESID_V;
 
         switch(REGION_ID(ea)) {
         case USER_REGION_ID:
@@ -192,21 +191,21 @@ static int __spu_trap_data_seg(struct spu *spu, unsigned long ea)
 #else
                 psize = mm->context.user_psize;
 #endif
-                vsid = (get_vsid(mm->context.id, ea, MMU_SEGSIZE_256M) << SLB_VSID_SHIFT) |
-                                SLB_VSID_USER;
+                slb.vsid = (get_vsid(mm->context.id, ea, MMU_SEGSIZE_256M)
+                                << SLB_VSID_SHIFT) | SLB_VSID_USER;
                 break;
         case VMALLOC_REGION_ID:
                 if (ea < VMALLOC_END)
                         psize = mmu_vmalloc_psize;
                 else
                         psize = mmu_io_psize;
-                vsid = (get_kernel_vsid(ea, MMU_SEGSIZE_256M) << SLB_VSID_SHIFT) |
-                        SLB_VSID_KERNEL;
+                slb.vsid = (get_kernel_vsid(ea, MMU_SEGSIZE_256M)
+                                << SLB_VSID_SHIFT) | SLB_VSID_KERNEL;
                 break;
         case KERNEL_REGION_ID:
                 psize = mmu_linear_psize;
-                vsid = (get_kernel_vsid(ea, MMU_SEGSIZE_256M) << SLB_VSID_SHIFT) |
-                        SLB_VSID_KERNEL;
+                slb.vsid = (get_kernel_vsid(ea, MMU_SEGSIZE_256M)
+                                << SLB_VSID_SHIFT) | SLB_VSID_KERNEL;
                 break;
         default:
                 /* Future: support kernel segments so that drivers
@@ -215,11 +214,9 @@ static int __spu_trap_data_seg(struct spu *spu, unsigned long ea)
                 pr_debug("invalid region access at %016lx\n", ea);
                 return 1;
         }
-        llp = mmu_psize_defs[psize].sllp;
+        slb.vsid |= mmu_psize_defs[psize].sllp;
 
-        out_be64(&priv2->slb_index_W, spu->slb_replace);
-        out_be64(&priv2->slb_vsid_RW, vsid | llp);
-        out_be64(&priv2->slb_esid_RW, esid);
+        spu_load_slb(spu, spu->slb_replace, &slb);
 
         spu->slb_replace++;
         if (spu->slb_replace >= 8)