From nobody Wed Apr 16 16:02:13 2025 Delivered-To: importer@patchew.org Received-SPF: pass (zoho.com: domain of gnu.org designates 208.118.235.17 as permitted sender) client-ip=208.118.235.17; envelope-from=qemu-devel-bounces+importer=patchew.org@nongnu.org; helo=lists.gnu.org; Authentication-Results: mx.zohomail.com; spf=pass (zoho.com: domain of gnu.org designates 208.118.235.17 as permitted sender) smtp.mailfrom=qemu-devel-bounces+importer=patchew.org@nongnu.org; dmarc=fail(p=none dis=none) header.from=linaro.org Return-Path: Received: from lists.gnu.org (lists.gnu.org [208.118.235.17]) by mx.zohomail.com with SMTPS id 153476163528425.402974858487596; Mon, 20 Aug 2018 03:40:35 -0700 (PDT) Received: from localhost ([::1]:46059 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1frhbt-0002vN-UH for importer@patchew.org; Mon, 20 Aug 2018 06:40:34 -0400 Received: from eggs.gnu.org ([2001:4830:134:3::10]:37033) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1frhUC-0003oi-Qk for qemu-devel@nongnu.org; Mon, 20 Aug 2018 06:32:37 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1frhUA-0005XA-St for qemu-devel@nongnu.org; Mon, 20 Aug 2018 06:32:36 -0400 Received: from orth.archaic.org.uk ([2001:8b0:1d0::2]:44566) by eggs.gnu.org with esmtps (TLS1.0:RSA_AES_256_CBC_SHA1:32) (Exim 4.71) (envelope-from ) id 1frhU8-0005PL-Te for qemu-devel@nongnu.org; Mon, 20 Aug 2018 06:32:34 -0400 Received: from pm215 by orth.archaic.org.uk with local (Exim 4.89) (envelope-from ) id 1frhTv-000366-Um for qemu-devel@nongnu.org; Mon, 20 Aug 2018 11:32:19 +0100 From: Peter Maydell To: qemu-devel@nongnu.org Date: Mon, 20 Aug 2018 11:31:51 +0100 Message-Id: <20180820103212.2810-5-peter.maydell@linaro.org> X-Mailer: git-send-email 2.18.0 In-Reply-To: <20180820103212.2810-1-peter.maydell@linaro.org> References: <20180820103212.2810-1-peter.maydell@linaro.org> X-detected-operating-system: by eggs.gnu.org: Genre and OS details not recognized. X-Received-From: 2001:8b0:1d0::2 Subject: [Qemu-devel] [PULL 04/25] imx_serial: Generate interrupt on receive data ready if enabled X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.21 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: qemu-devel-bounces+importer=patchew.org@nongnu.org Sender: "Qemu-devel" X-ZohoMail: RDMRC_1 RSF_0 Z_629925259 SPT_0 Content-Transfer-Encoding: quoted-printable MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" From: Hans-Erik Floryd Generate an interrupt if USR2_RDR and UCR4_DREN are both set. Signed-off-by: Hans-Erik Floryd Message-id: 1534341354-11956-1-git-send-email-hans-erik.floryd@rt-labs.com Reviewed-by: Peter Maydell Signed-off-by: Peter Maydell --- include/hw/char/imx_serial.h | 1 + hw/char/imx_serial.c | 3 ++- 2 files changed, 3 insertions(+), 1 deletion(-) diff --git a/include/hw/char/imx_serial.h b/include/hw/char/imx_serial.h index ee80da12e60..c8b74284f87 100644 --- a/include/hw/char/imx_serial.h +++ b/include/hw/char/imx_serial.h @@ -68,6 +68,7 @@ #define UCR2_RXEN (1<<1) /* Receiver enable */ #define UCR2_SRST (1<<0) /* Reset complete */ =20 +#define UCR4_DREN BIT(0) /* Receive Data Ready interrupt enable */ #define UCR4_TCEN BIT(3) /* TX complete interrupt enable */ =20 #define UTS1_TXEMPTY (1<<6) diff --git a/hw/char/imx_serial.c b/hw/char/imx_serial.c index 0747db9f2b9..1e363190e3d 100644 --- a/hw/char/imx_serial.c +++ b/hw/char/imx_serial.c @@ -74,8 +74,9 @@ static void imx_update(IMXSerialState *s) mask =3D (s->ucr1 & UCR1_TXMPTYEN) ? USR2_TXFE : 0; /* * TCEN and TXDC are both bit 3 + * RDR and DREN are both bit 0 */ - mask |=3D s->ucr4 & UCR4_TCEN; + mask |=3D s->ucr4 & (UCR4_TCEN | UCR4_DREN); =20 usr2 =3D s->usr2 & mask; =20 --=20 2.18.0