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 743571474CB; Tue, 25 Jun 2024 08:11:47 +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=1719303109; cv=none; b=lhLitvoULQv7TTVoQvnL2gp5I80Q8OiGV4H5mqr+nOyMwGgIo0BOb+/rOaVrFKA8P4b9V0w9NSCmv1X3Qxl0NmyxCes0/1tZQhWZVgNecTvDYHPOwSDNB6l5J4moePN46l31Bk+9JrRcscHDUK1BAENCYeJc5/Q4iadEpnTeymw= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1719303109; c=relaxed/simple; bh=JM1sD9QP4RyHSPhRqlUabkVUXwe0DuYqN6xM1zvvobw=; h=From:To:Cc:Subject:Date:Message-Id:In-Reply-To:References: MIME-Version; b=Y2eVCGwK4KfjG6sAodf2mSecji7yxOCRNYJT2ztWwM7LLpCNlrK+gC6jaVpxDaeB6+dmow8BMGEHdpek5EzLatMtybFQL3I83n/ngbZLpUlowiazJr9mVpfZY9ZXT4TDoZuE7w2l5mEvq2/3k6jiUf5/l0IQ3fuWVdYdIDYRDPU= 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=Fygv4TRq; 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="Fygv4TRq" DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1719303107; x=1750839107; h=from:to:cc:subject:date:message-id:in-reply-to: references:mime-version:content-transfer-encoding; bh=JM1sD9QP4RyHSPhRqlUabkVUXwe0DuYqN6xM1zvvobw=; b=Fygv4TRqqkeNsqamr9dAf10RUZbfvOd01dwOLlkYHNBenVImEDLAtTEv hqwR0v+spDzcvsyIY5UrRR7Om+fGbPuSSczoHK1jXYNJ+Cj2upf7AW5Wo hiAS09JhRH+5zcTxfRA2suY/16PCIKezalFYAlBUbIgKq648bkHZN0gxz idigVhAzLSGeqi253QUUG5Z+czSsOC3OkTOI7mkgLH2CRvCDiSDb07VSp 5nRAfGSxS++vdqduZRHchM7KyvWKE0BHSy0cUg452gpoD8VnEulWQjHbZ 2WIfkl7F+Lx3AWtMqP0Uy26mupmgDN5sdduLLFYl+PZZ67Ilt4MnTMM+j A==; X-CSE-ConnectionGUID: /xqCv4CwRmSlxhmZSUprGA== X-CSE-MsgGUID: e6WTGiEoT+yRpVdaZ6gT/A== X-IronPort-AV: E=McAfee;i="6700,10204,11113"; a="12232503" X-IronPort-AV: E=Sophos;i="6.08,263,1712646000"; d="scan'208";a="12232503" Received: from fmviesa003.fm.intel.com ([10.60.135.143]) by fmvoesa110.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 25 Jun 2024 01:11:46 -0700 X-CSE-ConnectionGUID: RorVC/L3SuazX8B16Nn0Lg== X-CSE-MsgGUID: NkKf/9eSTIySmTKvZdCV7w== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.08,263,1712646000"; d="scan'208";a="47944900" Received: from wentongw-optiplex-7000.sh.intel.com ([10.239.154.127]) by fmviesa003.fm.intel.com with ESMTP; 25 Jun 2024 01:11:45 -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 v4 2/5] mei: vsc: Prevent timeout error with added delay post-firmware download Date: Tue, 25 Jun 2024 16:10:44 +0800 Message-Id: <20240625081047.4178494-3-wentong.wu@intel.com> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20240625081047.4178494-1-wentong.wu@intel.com> References: <20240625081047.4178494-1-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