[PATCH V7 14/14] powerpc/vas: Free send window in VAS instance after credits returned

[Haren Myneni]

NX may be processing requests while trying to close window. Wait until
all credits are returned and then free send window from VAS instance.

Signed-off-by: Haren Myneni <ha...@linux.ibm.com>
---
 arch/powerpc/platforms/powernv/vas-window.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/arch/powerpc/platforms/powernv/vas-window.c 
b/arch/powerpc/platforms/powernv/vas-window.c
index 40c303a..c60accd 100644
--- a/arch/powerpc/platforms/powernv/vas-window.c
+++ b/arch/powerpc/platforms/powernv/vas-window.c
@@ -1317,14 +1317,14 @@ int vas_win_close(struct vas_window *window)
 
        unmap_paste_region(window);
 
-       clear_vinst_win(window);
-
        poll_window_busy_state(window);
 
        unpin_close_window(window);
 
        poll_window_credits(window);
 
+       clear_vinst_win(window);
+
        poll_window_castout(window);
 
        /* if send window, drop reference to matching receive window */
-- 
1.8.3.1