From patchwork Sat Jul 29 15:15:16 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Michal Schmidt X-Patchwork-Id: 13333192 X-Patchwork-Delegate: kuba@kernel.org Received: from lindbergh.monkeyblade.net (lindbergh.monkeyblade.net [23.128.96.19]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 312173D60 for ; Sat, 29 Jul 2023 15:15:49 +0000 (UTC) Received: from us-smtp-delivery-124.mimecast.com (us-smtp-delivery-124.mimecast.com [170.10.133.124]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id C739C1BE5 for ; Sat, 29 Jul 2023 08:15:48 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1690643748; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version: content-transfer-encoding:content-transfer-encoding; bh=EOm3XXeQH/VnjIfi+1wNPzalu9P/P8SBxT9b035Ot8s=; b=A0J6lWb+6fMRz5FpOpYwzrFJ9NTIZRDgwYBAvXlGihGHxfssT5TSCeLtCa9iiaZxgxXLct dlcCHMjUuMxz0NWcapkY+f6RZDrh6A3eF+AQBeReCzXCTy2nDx8YU9IvRC1TgyeChRmAkb Hycs/iFC3aV5VlmqLZt+0m3vmRHtrHk= Received: from mimecast-mx02.redhat.com (66.187.233.73 [66.187.233.73]) by relay.mimecast.com with ESMTP with STARTTLS (version=TLSv1.2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id us-mta-378-av-JrdHYNveMTYi5l4Hkfw-1; Sat, 29 Jul 2023 11:15:39 -0400 X-MC-Unique: av-JrdHYNveMTYi5l4Hkfw-1 Received: from smtp.corp.redhat.com (int-mx01.intmail.prod.int.rdu2.redhat.com [10.11.54.1]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mimecast-mx02.redhat.com (Postfix) with ESMTPS id 7FAC61C0432A; Sat, 29 Jul 2023 15:15:38 +0000 (UTC) Received: from localhost.localdomain (unknown [10.45.224.50]) by smtp.corp.redhat.com (Postfix) with ESMTP id 8D2B940C2063; Sat, 29 Jul 2023 15:15:36 +0000 (UTC) From: Michal Schmidt To: netdev@vger.kernel.org Cc: Abhijit Ayarekar , Veerasenareddy Burru , Vimlesh Kumar , Shinas Rasheed , Sathesh Edara , "David S. Miller" Subject: [PATCH net] octeon_ep: initialize mbox mutexes Date: Sat, 29 Jul 2023 17:15:16 +0200 Message-ID: <20230729151516.24153-1-mschmidt@redhat.com> Precedence: bulk X-Mailing-List: netdev@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-Scanned-By: MIMEDefang 3.1 on 10.11.54.1 X-Spam-Status: No, score=-2.1 required=5.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,DKIM_VALID_EF,RCVD_IN_DNSWL_NONE, RCVD_IN_MSPIKE_H4,RCVD_IN_MSPIKE_WL,SPF_HELO_NONE,SPF_NONE, T_SCC_BODY_TEXT_LINE,URIBL_BLOCKED autolearn=ham autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on lindbergh.monkeyblade.net X-Patchwork-Delegate: kuba@kernel.org The two mbox-related mutexes are destroyed in octep_ctrl_mbox_uninit(), but the corresponding mutex_init calls were missing. A "DEBUG_LOCKS_WARN_ON(lock->magic != lock)" warning was emitted with CONFIG_DEBUG_MUTEXES on. Initialize the two mutexes in octep_ctrl_mbox_init(). Fixes: 577f0d1b1c5f ("octeon_ep: add separate mailbox command and response queues") Signed-off-by: Michal Schmidt Reviewed-by: Leon Romanovsky --- drivers/net/ethernet/marvell/octeon_ep/octep_ctrl_mbox.c | 3 +++ 1 file changed, 3 insertions(+) diff --git a/drivers/net/ethernet/marvell/octeon_ep/octep_ctrl_mbox.c b/drivers/net/ethernet/marvell/octeon_ep/octep_ctrl_mbox.c index 035ead7935c7..dab61cc1acb5 100644 --- a/drivers/net/ethernet/marvell/octeon_ep/octep_ctrl_mbox.c +++ b/drivers/net/ethernet/marvell/octeon_ep/octep_ctrl_mbox.c @@ -98,6 +98,9 @@ int octep_ctrl_mbox_init(struct octep_ctrl_mbox *mbox) writeq(OCTEP_CTRL_MBOX_STATUS_INIT, OCTEP_CTRL_MBOX_INFO_HOST_STATUS(mbox->barmem)); + mutex_init(&mbox->h2fq_lock); + mutex_init(&mbox->f2hq_lock); + mbox->h2fq.sz = readl(OCTEP_CTRL_MBOX_H2FQ_SZ(mbox->barmem)); mbox->h2fq.hw_prod = OCTEP_CTRL_MBOX_H2FQ_PROD(mbox->barmem); mbox->h2fq.hw_cons = OCTEP_CTRL_MBOX_H2FQ_CONS(mbox->barmem);