From nobody Tue Feb 10 22:56:33 2026 Delivered-To: importer@patchew.org Authentication-Results: mx.zohomail.com; spf=pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) smtp.mailfrom=qemu-devel-bounces+importer=patchew.org@nongnu.org Return-Path: Received: from lists.gnu.org (lists.gnu.org [209.51.188.17]) by mx.zohomail.com with SMTPS id 1747209845320367.50041039253233; Wed, 14 May 2025 01:04:05 -0700 (PDT) Received: from localhost ([::1] helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1uF74B-0002am-6j; Wed, 14 May 2025 04:02:15 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1uF749-0002Zi-L2 for qemu-devel@nongnu.org; Wed, 14 May 2025 04:02:13 -0400 Received: from mail.loongson.cn ([114.242.206.163]) by eggs.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1uF744-0002Az-Kz for qemu-devel@nongnu.org; Wed, 14 May 2025 04:02:13 -0400 Received: from loongson.cn (unknown [10.2.5.185]) by gateway (Coremail) with SMTP id _____8AxHHL9TSRowFbmAA--.47300S3; Wed, 14 May 2025 16:02:05 +0800 (CST) Received: from localhost.localdomain (unknown [10.2.5.185]) by front1 (Coremail) with SMTP id qMiowMBxn8XkTSRofwHRAA--.9319S8; Wed, 14 May 2025 16:02:04 +0800 (CST) From: Song Gao To: qemu-devel@nongnu.org Cc: stefanha@gmail.com, maobibo@loongson.cn Subject: [PULL 06/17] hw/intc/loongarch_pch: Discard write operation with ISR register Date: Wed, 14 May 2025 15:39:16 +0800 Message-Id: <20250514073927.2424543-7-gaosong@loongson.cn> X-Mailer: git-send-email 2.39.1 In-Reply-To: <20250514073927.2424543-1-gaosong@loongson.cn> References: <20250514073927.2424543-1-gaosong@loongson.cn> MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable X-CM-TRANSID: qMiowMBxn8XkTSRofwHRAA--.9319S8 X-CM-SenderInfo: 5jdr20tqj6z05rqj20fqof0/ X-Coremail-Antispam: 1Uk129KBjDUn29KB7ZKAUJUUUUU529EdanIXcx71UUUUU7KY7 ZEXasCq-sGcSsGvfJ3UbIjqfuFe4nvWSU5nxnvy29KBjDU0xBIdaVrnUUvcSsGvfC2Kfnx nUUI43ZEXa7xR_UUUUUUUUU== Received-SPF: pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) client-ip=209.51.188.17; envelope-from=qemu-devel-bounces+importer=patchew.org@nongnu.org; helo=lists.gnu.org; Received-SPF: pass client-ip=114.242.206.163; envelope-from=gaosong@loongson.cn; helo=mail.loongson.cn 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, RCVD_IN_VALIDITY_RPBL_BLOCKED=0.001, RCVD_IN_VALIDITY_SAFE_BLOCKED=0.001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=ham autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.29 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-bounces+importer=patchew.org@nongnu.org X-ZM-MESSAGEID: 1747209846374019000 Content-Type: text/plain; charset="utf-8" From: Bibo Mao With the latest 7A1000 user manual, interrupt status register ISR is read only. Here discard write operation with ISR register. Signed-off-by: Bibo Mao Reviewed-by: Song Gao Message-Id: <20250507023148.1877287-7-maobibo@loongson.cn> Signed-off-by: Song Gao --- hw/intc/loongarch_pch_pic.c | 6 ------ 1 file changed, 6 deletions(-) diff --git a/hw/intc/loongarch_pch_pic.c b/hw/intc/loongarch_pch_pic.c index 9b64bf938f..e6fcf645eb 100644 --- a/hw/intc/loongarch_pch_pic.c +++ b/hw/intc/loongarch_pch_pic.c @@ -234,12 +234,6 @@ static void loongarch_pch_pic_high_writew(void *opaque= , hwaddr addr, trace_loongarch_pch_pic_high_writew(size, addr, data); =20 switch (addr) { - case PCH_PIC_INT_STATUS: - s->intisr =3D get_writew_val(s->intisr, data, 0); - break; - case PCH_PIC_INT_STATUS + 4: - s->intisr =3D get_writew_val(s->intisr, data, 1); - break; case PCH_PIC_INT_POL: s->int_polarity =3D get_writew_val(s->int_polarity, data, 0); break; --=20 2.34.1