From 27ca8a7b2bdfb3e22e67fbd5df58e6b6f0bbcd48 Mon Sep 17 00:00:00 2001 From: Jack Steiner Date: Thu, 2 Apr 2009 16:59:11 -0700 Subject: sgi-gru: fix bugs related to module unload of the GRU driver Fix bugs related to module unload of the GRU driver. Signed-off-by: Jack Steiner Signed-off-by: Andrew Morton Signed-off-by: Linus Torvalds --- drivers/misc/sgi-gru/grukservices.c | 19 +++++++++++++++++++ 1 file changed, 19 insertions(+) (limited to 'drivers/misc/sgi-gru/grukservices.c') diff --git a/drivers/misc/sgi-gru/grukservices.c b/drivers/misc/sgi-gru/grukservices.c index a3712843115..6b1efe44727 100644 --- a/drivers/misc/sgi-gru/grukservices.c +++ b/drivers/misc/sgi-gru/grukservices.c @@ -690,3 +690,22 @@ int gru_kservices_init(struct gru_state *gru) quicktest(gru); return 0; } + +void gru_kservices_exit(struct gru_state *gru) +{ + struct gru_context_configuration_handle *cch; + struct gru_blade_state *bs; + + bs = gru->gs_blade; + if (gru != &bs->bs_grus[1]) + return; + + cch = get_cch(gru->gs_gru_base_vaddr, KERNEL_CTXNUM); + lock_cch_handle(cch); + if (cch_interrupt_sync(cch)) + BUG(); + if (cch_deallocate(cch)) + BUG(); + unlock_cch_handle(cch); +} + -- cgit v1.2.3