From nobody Wed Dec 17 17:43:21 2025 Received: from mgamail.intel.com (mgamail.intel.com [192.198.163.11]) (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 820C81448D9; Mon, 24 Jun 2024 13:29:53 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=192.198.163.11 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1719235795; cv=none; b=OwZ3/8VRxZ/oefJhvU3O/qMA5qZjzsFiP+G8q7nevZr+CXIfDTkHmHTkzGRY7dmFTcOx60r9Y66efAfMB2i9XkOohKGuZAxrHthXB0M7uA3HOrP0jNHzzuX+x2NWJ5WMvTFLX9wAMfaxRN/PxBgmG1iAT+GjipHWGTsnSJhqmAE= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1719235795; c=relaxed/simple; bh=JM1sD9QP4RyHSPhRqlUabkVUXwe0DuYqN6xM1zvvobw=; h=From:To:Cc:Subject:Date:Message-Id:In-Reply-To:References: MIME-Version; b=h7fhmh+Bg+c+lofj+zrJTwc55z+oDTKlKIzJ+pxHP/BOah+2Yj0+aXjOUxBKzxgb+uhYZ2o/DbBVBbYzJMBVKbVZwBH3avwsJ2mO/06lv5IizW4D33aUH7lyVvuafI4ZXq0Rv+Asn4prADmnNvwvsKYGD69+1KTBrfJuwyeJ68Y= 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=eDoJCowY; arc=none smtp.client-ip=192.198.163.11 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="eDoJCowY" DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1719235794; x=1750771794; h=from:to:cc:subject:date:message-id:in-reply-to: references:mime-version:content-transfer-encoding; bh=JM1sD9QP4RyHSPhRqlUabkVUXwe0DuYqN6xM1zvvobw=; b=eDoJCowYyDhPVtxYhrwt6h0zt/u3fseu6y1oldX0P3mCCFmnsnSHeIz+ iHDiHUXU1WuBp9Hsf3qHIrmcDA1tNXNfPF2RGTr/c2Ys53ulyQyXZPl4d Fz3YRicHKNvn0WLo7tINKQUnA3bg0OG9zm9dybQ+lrbP9vclFdGlSKom3 0mdGkxLsNYNjM1mJgvL597VsbnjKOxZTgps52z+mNIGwGy6S8h8kfuOu3 0wKtbQRVJfJ3c2av+0jbvk2x86oBPp0gf1EqAxbjf69PIKqm8XuVkBRy2 9vQ8bTvq9T974/4fkp5dszEJpR52rIpydISb/DXEYFYoPjY6a85nPAeWs A==; X-CSE-ConnectionGUID: JaBHE5U1RcaED/hWOVPynw== X-CSE-MsgGUID: wEQl7WLCRteK4wIEEuZWWQ== X-IronPort-AV: E=McAfee;i="6700,10204,11112"; a="26830755" X-IronPort-AV: E=Sophos;i="6.08,262,1712646000"; d="scan'208";a="26830755" Received: from fmviesa005.fm.intel.com ([10.60.135.145]) by fmvoesa105.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 24 Jun 2024 06:29:54 -0700 X-CSE-ConnectionGUID: K+q5CI5dTZaceQrjTvCvmA== X-CSE-MsgGUID: xXN1cEZkQIG+SfpCEqsjiQ== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.08,262,1712646000"; d="scan'208";a="47746743" Received: from wentongw-optiplex-7000.sh.intel.com ([10.239.154.127]) by fmviesa005.fm.intel.com with ESMTP; 24 Jun 2024 06:29:51 -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 v3 4/5] mei: vsc: Prevent timeout error with added delay post-firmware download Date: Mon, 24 Jun 2024 21:28:48 +0800 Message-Id: <20240624132849.4174494-5-wentong.wu@intel.com> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20240624132849.4174494-1-wentong.wu@intel.com> References: <20240624132849.4174494-1-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