gru: support cch_allocate for kernel threads

Change the interface to cch_allocate so that it can be used to allocate
GRU contexts for kernel threads.  Kernel threads use the GRU in unmapped
mode and do not require ASIDs for the GRU TLB.

Signed-off-by: Jack Steiner <steiner@sgi.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

1 files changed, 1 insertions, 11 deletions

diff --git a/drivers/misc/sgi-gru/gruhandles.c b/drivers/misc/sgi-gru/gruhandles.c
index 9b7ccb32869..a3a870ad915 100644
--- a/drivers/misc/sgi-gru/gruhandles.c
+++ b/drivers/misc/sgi-gru/gruhandles.c
@@ -72,18 +72,8 @@ static int wait_instruction_complete(void *h, enum mcs_op opc)
         return status;
 }
 
-int cch_allocate(struct gru_context_configuration_handle *cch,
-                int asidval, int sizeavail, unsigned long cbrmap,
-                unsigned long dsrmap)
+int cch_allocate(struct gru_context_configuration_handle *cch)
 {
-        int i;
-
-        for (i = 0; i < 8; i++) {
-                cch->asid[i] = (asidval++);
-                cch->sizeavail[i] = sizeavail;
-        }
-        cch->dsr_allocation_map = dsrmap;
-        cch->cbr_allocation_map = cbrmap;
         cch->opc = CCHOP_ALLOCATE;
         start_instruction(cch);
         return wait_instruction_complete(cch, cchop_allocate);