From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-2.8 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,SPF_PASS,USER_AGENT_GIT autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id D00CCECDFB8 for ; Mon, 23 Jul 2018 10:23:35 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 96E9920846 for ; Mon, 23 Jul 2018 10:23:35 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 96E9920846 Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=intel.com Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=linux-kernel-owner@vger.kernel.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S2388196AbeGWLYD (ORCPT ); Mon, 23 Jul 2018 07:24:03 -0400 Received: from mga09.intel.com ([134.134.136.24]:40349 "EHLO mga09.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S2387887AbeGWLYD (ORCPT ); Mon, 23 Jul 2018 07:24:03 -0400 X-Amp-Result: SKIPPED(no attachment in message) X-Amp-File-Uploaded: False Received: from fmsmga006.fm.intel.com ([10.253.24.20]) by orsmga102.jf.intel.com with ESMTP/TLS/DHE-RSA-AES256-GCM-SHA384; 23 Jul 2018 03:23:33 -0700 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.51,393,1526367600"; d="scan'208";a="248064003" Received: from twinkler-lnx.jer.intel.com ([10.12.91.48]) by fmsmga006.fm.intel.com with ESMTP; 23 Jul 2018 03:23:14 -0700 From: Tomas Winkler To: Greg Kroah-Hartman Cc: Alexander Usyskin , linux-kernel@vger.kernel.org, Tomas Winkler Subject: [char-misc-next 3/3] mei: add mei_msg_hdr_init wrapper. Date: Mon, 23 Jul 2018 13:21:24 +0300 Message-Id: <20180723102124.27788-3-tomas.winkler@intel.com> X-Mailer: git-send-email 2.14.4 In-Reply-To: <20180723102124.27788-1-tomas.winkler@intel.com> References: <20180723102124.27788-1-tomas.winkler@intel.com> Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Wrap the mei header boilerplate initialization code in mei_msg_hdr_init function. On the way remove 'completed' field from mei_cl_cb structure as this information is already included in the header and is local to particular fragment. Signed-off-by: Tomas Winkler --- drivers/misc/mei/client.c | 33 ++++++++++++++++++++------------- drivers/misc/mei/mei_dev.h | 2 -- 2 files changed, 20 insertions(+), 15 deletions(-) diff --git a/drivers/misc/mei/client.c b/drivers/misc/mei/client.c index ca917b84ca5e..207d2f5d5702 100644 --- a/drivers/misc/mei/client.c +++ b/drivers/misc/mei/client.c @@ -1539,6 +1539,22 @@ int mei_cl_read_start(struct mei_cl *cl, size_t length, const struct file *fp) return rets; } +/** + * mei_msg_hdr_init - initialize mei message header + * + * @mei_hdr: mei message header + * @cb: message callback structure + */ +static void mei_msg_hdr_init(struct mei_msg_hdr *mei_hdr, struct mei_cl_cb *cb) +{ + mei_hdr->host_addr = mei_cl_host_addr(cb->cl); + mei_hdr->me_addr = mei_cl_me_id(cb->cl); + mei_hdr->length = 0; + mei_hdr->reserved = 0; + mei_hdr->msg_complete = 0; + mei_hdr->internal = cb->internal; +} + /** * mei_cl_irq_write - write a message to device * from the interrupt thread context @@ -1579,12 +1595,6 @@ int mei_cl_irq_write(struct mei_cl *cl, struct mei_cl_cb *cb, return 0; } - mei_hdr.host_addr = mei_cl_host_addr(cl); - mei_hdr.me_addr = mei_cl_me_id(cl); - mei_hdr.reserved = 0; - mei_hdr.msg_complete = 0; - mei_hdr.internal = cb->internal; - len = buf->size - cb->buf_idx; hbuf_slots = mei_hbuf_empty_slots(dev); if (hbuf_slots < 0) { @@ -1593,6 +1603,8 @@ int mei_cl_irq_write(struct mei_cl *cl, struct mei_cl_cb *cb, } hbuf_len = mei_slots2data(hbuf_slots) - sizeof(struct mei_msg_hdr); + mei_msg_hdr_init(&mei_hdr, cb); + /** * Split the message only if we can write the whole host buffer * otherwise wait for next time the host buffer is empty. @@ -1616,7 +1628,6 @@ int mei_cl_irq_write(struct mei_cl *cl, struct mei_cl_cb *cb, cl->status = 0; cl->writing_state = MEI_WRITING; cb->buf_idx += mei_hdr.length; - cb->completed = mei_hdr.msg_complete == 1; if (first_chunk) { if (mei_cl_tx_flow_ctrl_creds_reduce(cl)) { @@ -1680,16 +1691,13 @@ ssize_t mei_cl_write(struct mei_cl *cl, struct mei_cl_cb *cb) cb->buf_idx = 0; cl->writing_state = MEI_IDLE; - mei_hdr.host_addr = mei_cl_host_addr(cl); - mei_hdr.me_addr = mei_cl_me_id(cl); - mei_hdr.reserved = 0; - mei_hdr.msg_complete = 0; - mei_hdr.internal = cb->internal; rets = mei_cl_tx_flow_ctrl_creds(cl); if (rets < 0) goto err; + mei_msg_hdr_init(&mei_hdr, cb); + if (rets == 0) { cl_dbg(dev, cl, "No flow control credentials: not sending.\n"); rets = len; @@ -1726,7 +1734,6 @@ ssize_t mei_cl_write(struct mei_cl *cl, struct mei_cl_cb *cb) cl->writing_state = MEI_WRITING; cb->buf_idx = mei_hdr.length; - cb->completed = mei_hdr.msg_complete == 1; out: if (mei_hdr.msg_complete) diff --git a/drivers/misc/mei/mei_dev.h b/drivers/misc/mei/mei_dev.h index fa543dcfc111..e9f37085a628 100644 --- a/drivers/misc/mei/mei_dev.h +++ b/drivers/misc/mei/mei_dev.h @@ -175,7 +175,6 @@ struct mei_cl; * @status: io status of the cb * @internal: communication between driver and FW flag * @blocking: transmission blocking mode - * @completed: the transfer or reception has completed */ struct mei_cl_cb { struct list_head list; @@ -187,7 +186,6 @@ struct mei_cl_cb { int status; u32 internal:1; u32 blocking:1; - u32 completed:1; }; /** -- 2.14.4