From nobody Wed Dec 17 02:56:15 2025 Received: from mgamail.intel.com (mgamail.intel.com [198.175.65.21]) (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 9952912E1CE; Sun, 23 Jun 2024 09:32:44 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=198.175.65.21 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1719135166; cv=none; b=OnH2OeCnavjgs7/9/1s/0oXTXHleSC2nWE673EUo/duoGgQeHA5METBfug9B+CQRbxqGMeFxbwlDirKJsxI9OvW7DGfs0eZ8PIfJpgBwx4ATSgyUtDobfWaWNtv/kfqs8C2s6xHx5f6YYOZVOukghHFkw/JPi99HUI7yrTxw8m8= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1719135166; c=relaxed/simple; bh=JM1sD9QP4RyHSPhRqlUabkVUXwe0DuYqN6xM1zvvobw=; h=From:To:Cc:Subject:Date:Message-Id:In-Reply-To:References: MIME-Version; b=k4HrI6yKZI1KDml9jkqIhQEzVhB/YEAnmFSCV0Aoy1w/GYeM9wR6gPAVfd3C0gN7Cb0p2V0YOesCt+mC0HOJiU+NoFbx3eqnt7aaLnIj6bdF3LR1Pn8+vCaCvz/BM8eeZ9FdyU36CRMxCBrqxiC+3KfuipkNufFfXkU0wC+nYSw= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=intel.com; spf=pass smtp.mailfrom=intel.com; dkim=pass (2048-bit key) header.d=intel.com header.i=@intel.com header.b=h9xdMbrj; arc=none smtp.client-ip=198.175.65.21 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=intel.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=intel.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=intel.com header.i=@intel.com header.b="h9xdMbrj" DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1719135164; x=1750671164; h=from:to:cc:subject:date:message-id:in-reply-to: references:mime-version:content-transfer-encoding; bh=JM1sD9QP4RyHSPhRqlUabkVUXwe0DuYqN6xM1zvvobw=; b=h9xdMbrjV2k3RJx/2j8wlokYqibL1JMJfGLt0z0U7kDxUHMvGTQ0VKxI a9iesIwT6GEzldDo/dQonx6rdg/zFj98IN/og6IQSp8PLPIMQ7hI8zNJ7 sUY08yctto1X/R83IsjDBtK6NhJpStXYB6tsneSLMWC+XqbfLJtU+pan0 Bddkj7SzOeDcVMN8aYS11JXkfUDm6Yy/9lHKgeN88ECKzfOoCSBBoXEbg r4q8HwnzkQqIaLFgVqk9JNiRLgf5p4zNZLN29HkCeJOy/poGMmDDH1iUK UYKzZSByqz+sNquXhh7ET3lloamIsc/NXPZrbutPXGNDEwPN/1JRtOA0V w==; X-CSE-ConnectionGUID: FqoXEs9gS2utdn/Ndwmktg== X-CSE-MsgGUID: tFaomdIiRnytyI+oQ4UuSg== X-IronPort-AV: E=McAfee;i="6700,10204,11111"; a="16089098" X-IronPort-AV: E=Sophos;i="6.08,259,1712646000"; d="scan'208";a="16089098" Received: from orviesa002.jf.intel.com ([10.64.159.142]) by orvoesa113.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 23 Jun 2024 02:32:44 -0700 X-CSE-ConnectionGUID: wCZye3qESUy0kwHa2b+nxQ== X-CSE-MsgGUID: SUUb/IcfTy6jTTz8eKuVFQ== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.08,259,1712646000"; d="scan'208";a="73761754" Received: from wentongw-optiplex-7000.sh.intel.com ([10.239.154.127]) by orviesa002.jf.intel.com with ESMTP; 23 Jun 2024 02:32:43 -0700 From: Wentong Wu To: sakari.ailus@linux.intel.com, tomas.winkler@intel.com, gregkh@linuxfoundation.org Cc: linux-kernel@vger.kernel.org, Wentong Wu , stable@vger.kernel.org, Jason Chen Subject: [PATCH 5/6] mei: vsc: Prevent timeout error with added delay post-firmware download Date: Sun, 23 Jun 2024 17:30:55 +0800 Message-Id: <20240623093056.4169438-6-wentong.wu@intel.com> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20240623093056.4169438-1-wentong.wu@intel.com> References: <20240623093056.4169438-1-wentong.wu@intel.com> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset="utf-8" After completing the firmware download, the firmware requires some time to become functional. This change introduces additional sleep time before the first read operation to prevent a confusing timeout error in vsc_tp_xfer(). Fixes: 566f5ca97680 ("mei: Add transport driver for IVSC device") Cc: stable@vger.kernel.org # for 6.8+ Signed-off-by: Wentong Wu Tested-by: Jason Chen --- drivers/misc/mei/platform-vsc.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/drivers/misc/mei/platform-vsc.c b/drivers/misc/mei/platform-vs= c.c index 1ec65d87488a..d02f6e881139 100644 --- a/drivers/misc/mei/platform-vsc.c +++ b/drivers/misc/mei/platform-vsc.c @@ -28,8 +28,8 @@ =20 #define MEI_VSC_MAX_MSG_SIZE 512 =20 -#define MEI_VSC_POLL_DELAY_US (50 * USEC_PER_MSEC) -#define MEI_VSC_POLL_TIMEOUT_US (200 * USEC_PER_MSEC) +#define MEI_VSC_POLL_DELAY_US (100 * USEC_PER_MSEC) +#define MEI_VSC_POLL_TIMEOUT_US (400 * USEC_PER_MSEC) =20 #define mei_dev_to_vsc_hw(dev) ((struct mei_vsc_hw *)((dev)->hw)) =20 --=20 2.34.1