powerpc/vas: Free send window in VAS instance after credits returned
authorHaren Myneni <haren@linux.ibm.com>
Thu, 16 Apr 2020 06:07:36 +0000 (23:07 -0700)
committerMichael Ellerman <mpe@ellerman.id.au>
Mon, 20 Apr 2020 06:53:01 +0000 (16:53 +1000)
commit1d955f981895464d8f112179a20bfdb92e6c63d4
treec74077e57ebf711a0bb5c2fe8e276f71f4d524aa
parentbd4da68dbd5fd2e83841b3500ac575967a948cfa
powerpc/vas: Free send window in VAS instance after credits returned

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 <haren@linux.ibm.com>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Link: https://lore.kernel.org/r/1587017256.2275.1076.camel@hbabu-laptop
arch/powerpc/platforms/powernv/vas-window.c