From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 1525E350286; Tue, 16 Dec 2025 11:48:08 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=10.30.226.201 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1765885688; cv=none; b=OroyfVMgPLniESrXInni0SZJvObMalCh1B/QWzhqdfzyLrOEk9AQAit8Z8fYFpUYzjdM3CBcqJ010ZOZb7h5Rl3XKU8ncCBxcbXaQD7EmKS0lsRq2tcX1ShmDmGrxAItrlFfc09gT62aLhWkQ1x9qfB+uuxCl0n+ojix2m2ZV1A= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1765885688; c=relaxed/simple; bh=jnLddWrYZTPKFqQMSPG1YtjCgrz7ZUQ8+zN+ExkVDjM=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=Q3f6NMOVnGiluaahWJQpfu4UgqvNrO2dppv0Mn9HFkdTkVwnzhYGF4ddlF8WO5c7sz2UxB09ooMnrvoWzc3++6Qm5UpUkQqFpWB0/xNfIy2TM3NLAevey73wxephuwQqkcCSyCmKp86ihaPnaKTaspKKTARRh4Q91jy2ZDZRIog= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linuxfoundation.org header.i=@linuxfoundation.org header.b=jJOOcPv/; arc=none smtp.client-ip=10.30.226.201 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linuxfoundation.org header.i=@linuxfoundation.org header.b="jJOOcPv/" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 7AD2FC4CEF1; Tue, 16 Dec 2025 11:48:07 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1765885687; bh=jnLddWrYZTPKFqQMSPG1YtjCgrz7ZUQ8+zN+ExkVDjM=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=jJOOcPv/9Aazf9/pVJapBfe6cIHT1NwLcO35mU3VRT3IZQ0Aek5vTyJ+usZswg/td giIVbYWq1TxDgpO78yzlH0HLCFhJvV+6xrrOmmyquSAIPWbfU7pNZQIY/FLBtwoUgA ++IdV/YdJolkDJ/Dfckne8uUgbUUDyI5aPkhRnJo= From: Greg Kroah-Hartman To: stable@vger.kernel.org Cc: Greg Kroah-Hartman , patches@lists.linux.dev, Yeoreum Yun , Mike Leach , James Clark , Leo Yan , Suzuki K Poulose , Sasha Levin Subject: [PATCH 6.17 215/507] coresight: etm4x: Correct polling IDLE bit Date: Tue, 16 Dec 2025 12:10:56 +0100 Message-ID: <20251216111353.297291110@linuxfoundation.org> X-Mailer: git-send-email 2.52.0 In-Reply-To: <20251216111345.522190956@linuxfoundation.org> References: <20251216111345.522190956@linuxfoundation.org> User-Agent: quilt/0.69 X-stable: review X-Patchwork-Hint: ignore Precedence: bulk X-Mailing-List: patches@lists.linux.dev List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit 6.17-stable review patch. If anyone has any objections, please let me know. ------------------ From: Leo Yan [ Upstream commit 4dc4e22f9536341255f5de6047977a80ff47eaef ] Since commit 4ff6039ffb79 ("coresight-etm4x: add isb() before reading the TRCSTATR"), the code has incorrectly been polling the PMSTABLE bit instead of the IDLE bit. This commit corrects the typo. Fixes: 4ff6039ffb79 ("coresight-etm4x: add isb() before reading the TRCSTATR") Reviewed-by: Yeoreum Yun Reviewed-by: Mike Leach Tested-by: James Clark Signed-off-by: Leo Yan Signed-off-by: Suzuki K Poulose Link: https://lore.kernel.org/r/20251111-arm_coresight_power_management_fix-v6-4-f55553b6c8b3@arm.com Signed-off-by: Sasha Levin --- drivers/hwtracing/coresight/coresight-etm4x-core.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/hwtracing/coresight/coresight-etm4x-core.c b/drivers/hwtracing/coresight/coresight-etm4x-core.c index baf38142b317f..1fa6d123b8143 100644 --- a/drivers/hwtracing/coresight/coresight-etm4x-core.c +++ b/drivers/hwtracing/coresight/coresight-etm4x-core.c @@ -1924,7 +1924,7 @@ static int __etm4_cpu_save(struct etmv4_drvdata *drvdata) state->trcpdcr = etm4x_read32(csa, TRCPDCR); /* wait for TRCSTATR.IDLE to go up */ - if (etm4x_wait_status(csa, TRCSTATR_PMSTABLE_BIT, 1)) { + if (etm4x_wait_status(csa, TRCSTATR_IDLE_BIT, 1)) { dev_err(etm_dev, "timeout while waiting for Idle Trace Status\n"); etm4_os_unlock(drvdata); -- 2.51.0