From patchwork Tue May 25 18:14:38 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Patchwork-Submitter: =?utf-8?q?Volker_R=C3=BCmelin?= X-Patchwork-Id: 1483727 Return-Path: X-Original-To: incoming@patchwork.ozlabs.org Delivered-To: patchwork-incoming@bilbo.ozlabs.org Authentication-Results: ozlabs.org; spf=pass (sender SPF authorized) smtp.mailfrom=nongnu.org (client-ip=209.51.188.17; helo=lists.gnu.org; envelope-from=qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org; receiver=) Received: from lists.gnu.org (lists.gnu.org [209.51.188.17]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by ozlabs.org (Postfix) with ESMTPS id 4FqMt52bHJz9s24 for ; Wed, 26 May 2021 04:24:13 +1000 (AEST) Received: from localhost ([::1]:42272 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1llbit-0005Di-Cm for incoming@patchwork.ozlabs.org; Tue, 25 May 2021 14:24:11 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]:48794) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1llba8-0002c7-MD for qemu-devel@nongnu.org; Tue, 25 May 2021 14:15:09 -0400 Received: from mailout03.t-online.de ([194.25.134.81]:50930) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1llba5-0003gY-KL for qemu-devel@nongnu.org; Tue, 25 May 2021 14:15:08 -0400 Received: from fwd02.aul.t-online.de (fwd02.aul.t-online.de [172.20.26.148]) by mailout03.t-online.de (Postfix) with SMTP id 72BCD72226; Tue, 25 May 2021 20:15:04 +0200 (CEST) Received: from linpower.localnet (EqWspmZeYhQQEY2kLwTZsswmeWGOO55UGOvPgfmqGfpeut1VNd+uUxWbfTuJQFxZY8@[93.236.158.49]) by fwd02.t-online.de with (TLSv1.2:ECDHE-RSA-AES256-GCM-SHA384 encrypted) esmtp id 1llba3-0Z5NuC0; Tue, 25 May 2021 20:15:03 +0200 Received: by linpower.localnet (Postfix, from userid 1000) id 9744C200619; Tue, 25 May 2021 20:14:41 +0200 (CEST) From: =?utf-8?q?Volker_R=C3=BCmelin?= To: "Michael S. Tsirkin" , Paolo Bonzini , =?utf-8?q?Philippe_Mathieu-Daud=C3=A9?= , Gerd Hoffmann Subject: [PATCH v4 09/12] pckbd: add function kbd_pending() Date: Tue, 25 May 2021 20:14:38 +0200 Message-Id: <20210525181441.27768-9-vr_qemu@t-online.de> X-Mailer: git-send-email 2.26.2 In-Reply-To: <79355790-0f6f-7a3f-3525-4846c88ba8e2@t-online.de> References: <79355790-0f6f-7a3f-3525-4846c88ba8e2@t-online.de> MIME-Version: 1.0 X-ID: EqWspmZeYhQQEY2kLwTZsswmeWGOO55UGOvPgfmqGfpeut1VNd+uUxWbfTuJQFxZY8 X-TOI-EXPURGATEID: 150726::1621966503-0000AFC8-E6CC8708/0/0 CLEAN NORMAL X-TOI-MSGID: f03aeb4f-a2e1-4fd7-b63e-feb5ad9b064d Received-SPF: none client-ip=194.25.134.81; envelope-from=volker.ruemelin@t-online.de; helo=mailout03.t-online.de X-Spam_score_int: -18 X-Spam_score: -1.9 X-Spam_bar: - X-Spam_report: (-1.9 / 5.0 requ) BAYES_00=-1.9, FREEMAIL_FROM=0.001, RCVD_IN_DNSWL_NONE=-0.0001, RCVD_IN_MSPIKE_H3=0.001, RCVD_IN_MSPIKE_WL=0.001, SPF_HELO_NONE=0.001, SPF_NONE=0.001 autolearn=ham autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: qemu-devel@nongnu.org Errors-To: qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org Sender: "Qemu-devel" Replace reads of the variable s->pending with a call to a new function kbd_pending() to ease the review of the next patch. There is no functional change. Reviewed-by: Philippe Mathieu-Daudé Signed-off-by: Volker Rümelin --- hw/input/pckbd.c | 21 ++++++++++++++------- 1 file changed, 14 insertions(+), 7 deletions(-) diff --git a/hw/input/pckbd.c b/hw/input/pckbd.c index 294b315901..e9905e1c6b 100644 --- a/hw/input/pckbd.c +++ b/hw/input/pckbd.c @@ -198,21 +198,28 @@ static void kbd_deassert_irq(KBDState *s) kbd_update_irq_lines(s); } +static uint8_t kbd_pending(KBDState *s) +{ + return s->pending; +} + /* update irq and KBD_STAT_[MOUSE_]OBF */ static void kbd_update_irq(KBDState *s) { + uint8_t pending = kbd_pending(s); + s->status &= ~(KBD_STAT_OBF | KBD_STAT_MOUSE_OBF); s->outport &= ~(KBD_OUT_OBF | KBD_OUT_MOUSE_OBF); - if (s->pending) { + if (pending) { s->status |= KBD_STAT_OBF; s->outport |= KBD_OUT_OBF; - if (s->pending & KBD_PENDING_CTRL_KBD) { + if (pending & KBD_PENDING_CTRL_KBD) { s->obsrc = KBD_OBSRC_CTRL; - } else if (s->pending & KBD_PENDING_CTRL_AUX) { + } else if (pending & KBD_PENDING_CTRL_AUX) { s->status |= KBD_STAT_MOUSE_OBF; s->outport |= KBD_OUT_MOUSE_OBF; s->obsrc = KBD_OBSRC_CTRL; - } else if (s->pending & KBD_PENDING_KBD) { + } else if (pending & KBD_PENDING_KBD) { s->obsrc = KBD_OBSRC_KBD; } else { s->status |= KBD_STAT_MOUSE_OBF; @@ -236,7 +243,7 @@ static void kbd_safe_update_irq(KBDState *s) if (s->throttle_timer && timer_pending(s->throttle_timer)) { return; } - if (s->pending) { + if (kbd_pending(s)) { kbd_update_irq(s); } } @@ -269,7 +276,7 @@ static void kbd_throttle_timeout(void *opaque) { KBDState *s = opaque; - if (s->pending) { + if (kbd_pending(s)) { kbd_update_irq(s); } } @@ -301,7 +308,7 @@ static uint8_t kbd_dequeue(KBDState *s) uint8_t b = s->cbdata; s->pending &= ~KBD_PENDING_CTRL_KBD & ~KBD_PENDING_CTRL_AUX; - if (s->pending) { + if (kbd_pending(s)) { kbd_update_irq(s); } return b;