From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mgamail.intel.com (mgamail.intel.com [192.198.163.16]) (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 F410F749A; Mon, 24 Jun 2024 01:43:44 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=192.198.163.16 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1719193426; cv=none; b=ZbNzQPW8uQyaikozl3tjZp1iPaNLFqX1n8VsRLIFf3kkR2dnZnT+6fsuM0Y7RPhEM9qgiY3in/R6B2f2aQEX4JeON1iAySAGey/s6YKG4CgeOeEV86JG6mkjfISPzaamDZOTrl4fwiuvfVlSEzqz8KjKuZe5hsaiTu4g+uV808Q= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1719193426; c=relaxed/simple; bh=JM1sD9QP4RyHSPhRqlUabkVUXwe0DuYqN6xM1zvvobw=; h=From:To:Cc:Subject:Date:Message-Id:In-Reply-To:References: MIME-Version; b=n5kKIeWkMw7jRo4k1Nt/zkA89Zio+Wtce9IAyrD9WCpiytP5xw5MXYEVVqFiAIbt8DHHoHp0IbThKP+V9wBpq5Hihbj+lhJQpo3QuZrQvMWiKUYEgrG7BiJUekbPZ5Y4P8vlbk4PPrJ3qaTALZW5DzeJi8isLHDUV1bf4I/i6N4= 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=m0+JEOVL; arc=none smtp.client-ip=192.198.163.16 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="m0+JEOVL" DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1719193425; x=1750729425; h=from:to:cc:subject:date:message-id:in-reply-to: references:mime-version:content-transfer-encoding; bh=JM1sD9QP4RyHSPhRqlUabkVUXwe0DuYqN6xM1zvvobw=; b=m0+JEOVLAbA61Y8JaSbEx+6Jacm/W05pvyQapaXtP15GbfFjhVdpyHR9 kaL/XClnDEqLNB9CNpeKcE4rJwE781k+bisi25K9Y75Ui7AaWBIB+66x9 sxR37ND4QmJHsTTt0Fq67AiBiqupZfXDQZKM6Wa0+9w+RzxRH951Onsb9 YUlu4Drvy7Qd5pXVPPxcbDuLU8+UIjpRAe3zLdK7mCpnuG8643weSTDnY 7Ly8om2EfUH88kLj6fGf1VcIUupi5iwN73RR/Ek8JWlDDbSJaoqqc+qo9 RYAT9hLtnwyaACXM4ypyKFrIFZQoEHD0Xv5MWO55fJE7kK0G6Cqp5bsp6 g==; X-CSE-ConnectionGUID: OO/uiz14QuaV8c5fLg1WYg== X-CSE-MsgGUID: qRBf8u+7SQiOl/Dkhh/rxw== X-IronPort-AV: E=McAfee;i="6700,10204,11112"; a="12202780" X-IronPort-AV: E=Sophos;i="6.08,261,1712646000"; d="scan'208";a="12202780" Received: from orviesa007.jf.intel.com ([10.64.159.147]) by fmvoesa110.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 23 Jun 2024 18:43:44 -0700 X-CSE-ConnectionGUID: jQm4zB0LR0qSf5sKmLzWmg== X-CSE-MsgGUID: JEQc1Ez3S/aHVMdeoFjo6g== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.08,261,1712646000"; d="scan'208";a="43821399" Received: from wentongw-optiplex-7000.sh.intel.com ([10.239.154.127]) by orviesa007.jf.intel.com with ESMTP; 23 Jun 2024 18:43:42 -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 v2 4/5] mei: vsc: Prevent timeout error with added delay post-firmware download Date: Mon, 24 Jun 2024 09:42:22 +0800 Message-Id: <20240624014223.4171341-5-wentong.wu@intel.com> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20240624014223.4171341-1-wentong.wu@intel.com> References: <20240624014223.4171341-1-wentong.wu@intel.com> Precedence: bulk X-Mailing-List: stable@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit 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-vsc.c index 1ec65d87488a..d02f6e881139 100644 --- a/drivers/misc/mei/platform-vsc.c +++ b/drivers/misc/mei/platform-vsc.c @@ -28,8 +28,8 @@ #define MEI_VSC_MAX_MSG_SIZE 512 -#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) #define mei_dev_to_vsc_hw(dev) ((struct mei_vsc_hw *)((dev)->hw)) -- 2.34.1