From patchwork Tue Oct 29 09:17:24 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Patchwork-Submitter: Jamin Lin X-Patchwork-Id: 13854536 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org 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 smtp.lore.kernel.org (Postfix) with ESMTPS id F10B7D2AB08 for ; Tue, 29 Oct 2024 09:18:33 +0000 (UTC) Received: from localhost ([::1] helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1t5iMJ-0000Zf-3c; Tue, 29 Oct 2024 05:17:51 -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 1t5iMG-0000YE-0F; Tue, 29 Oct 2024 05:17:48 -0400 Received: from mail.aspeedtech.com ([211.20.114.72] helo=TWMBX01.aspeed.com) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1t5iME-0003A3-Pd; Tue, 29 Oct 2024 05:17:47 -0400 Received: from TWMBX01.aspeed.com (192.168.0.62) by TWMBX01.aspeed.com (192.168.0.62) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.2.1258.12; Tue, 29 Oct 2024 17:17:30 +0800 Received: from localhost.localdomain (192.168.10.10) by TWMBX01.aspeed.com (192.168.0.62) with Microsoft SMTP Server id 15.2.1258.12 via Frontend Transport; Tue, 29 Oct 2024 17:17:30 +0800 To: =?utf-8?q?C=C3=A9dric_Le_Goater?= , Peter Maydell , Steven Lee , Troy Lee , Andrew Jeffery , "Joel Stanley" , =?utf-8?q?Philippe_Mathieu-Daud=C3=A9?= , Bin Meng , "open list:ASPEED BMCs" , "open list:All patches CC here" , "open list:SD (Secure Card)" CC: , , Subject: [PATCH v1 3/8] hw/timer/aspeed: Fix interrupt status does not be cleared for AST2600 Date: Tue, 29 Oct 2024 17:17:24 +0800 Message-ID: <20241029091729.3317512-4-jamin_lin@aspeedtech.com> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20241029091729.3317512-1-jamin_lin@aspeedtech.com> References: <20241029091729.3317512-1-jamin_lin@aspeedtech.com> MIME-Version: 1.0 Received-SPF: pass client-ip=211.20.114.72; envelope-from=jamin_lin@aspeedtech.com; helo=TWMBX01.aspeed.com 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_FAIL=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: , Reply-to: Jamin Lin X-Patchwork-Original-From: Jamin Lin via From: Jamin Lin Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org According to the datasheet of AST2600 description, interrupt status set by HW and clear to "0" by software writing "1" on the specific bit. Therefore, if firmware set the specific bit "1" in the interrupt status register(0x34), the specific bit of "s->irq_sts" should be cleared 0. Signed-off-by: Jamin Lin Reviewed-by: Andrew Jeffery Reviewed-by: Cédric Le Goater --- hw/timer/aspeed_timer.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/hw/timer/aspeed_timer.c b/hw/timer/aspeed_timer.c index 5af268ea9e..149f7cc5a6 100644 --- a/hw/timer/aspeed_timer.c +++ b/hw/timer/aspeed_timer.c @@ -580,7 +580,7 @@ static void aspeed_2600_timer_write(AspeedTimerCtrlState *s, hwaddr offset, switch (offset) { case 0x34: - s->irq_sts &= tv; + s->irq_sts &= ~tv; break; case 0x3C: aspeed_timer_set_ctrl(s, s->ctrl & ~tv);