From patchwork Fri Dec 17 07:45:41 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Ye Xiang X-Patchwork-Id: 12683857 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id A4E15C433F5 for ; Fri, 17 Dec 2021 07:41:12 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S230224AbhLQHlM (ORCPT ); Fri, 17 Dec 2021 02:41:12 -0500 Received: from mga01.intel.com ([192.55.52.88]:20314 "EHLO mga01.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229725AbhLQHlM (ORCPT ); Fri, 17 Dec 2021 02:41:12 -0500 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1639726872; x=1671262872; h=from:to:cc:subject:date:message-id; bh=1dLPK95x3eU2yzo1L8SF2MlB2t5nsUGwVoHTt5tWHBA=; b=i/cPL8FYNv22vF+Y8z4Mpv3yOF9KXIHLxgDlBAP+Aad+BSGt5Rl5sw38 uYmsCprwnYxX87eL/CRTWw1I/LbPKd4cXLxMuiTCAYgGhr/ibVzrHaHFO faJznsvx5mVOOVThSAfurQJ8wFo8+VLTt5q9Vqfm6N0dEh/su7/hC7/wG 6EjTaG66256NREZDZfWgpobfVuUXMia5qoA6cpNFd39AIwKTgxBX7Dter UuRlCFjsANpxN8cq4BpB6ABdIZvNSszsbV4tgOylXaBbxIjVNwh5Jsygm A61B5KqOemvE1TDSVfEPOfsctxhy3q0QkdxUfuYIbNpxAnH823GBURisM w==; X-IronPort-AV: E=McAfee;i="6200,9189,10200"; a="263872883" X-IronPort-AV: E=Sophos;i="5.88,213,1635231600"; d="scan'208";a="263872883" Received: from orsmga007.jf.intel.com ([10.7.209.58]) by fmsmga101.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 16 Dec 2021 23:41:11 -0800 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.88,213,1635231600"; d="scan'208";a="506669099" Received: from host.sh.intel.com ([10.239.154.115]) by orsmga007.jf.intel.com with ESMTP; 16 Dec 2021 23:41:09 -0800 From: Ye Xiang To: jikos@kernel.org, jic23@kernel.org, srinivas.pandruvada@linux.intel.com Cc: linux-input@vger.kernel.org, linux-iio@vger.kernel.org, linux-kernel@vger.kernel.org, Ye Xiang Subject: [PATCH] HID: intel-ish-hid: ipc: Specify no cache snooping on TGL and ADL Date: Fri, 17 Dec 2021 15:45:41 +0800 Message-Id: <20211217074541.4705-1-xiang.ye@intel.com> X-Mailer: git-send-email 2.17.1 Precedence: bulk List-ID: X-Mailing-List: linux-iio@vger.kernel.org Specify that both TGL and ADL don't support DMA cache snooping. Signed-off-by: Ye Xiang Acked-by: Srinivas Pandruvada --- drivers/hid/intel-ish-hid/ipc/ipc.c | 6 +++++- 1 file changed, 5 insertions(+), 1 deletion(-) diff --git a/drivers/hid/intel-ish-hid/ipc/ipc.c b/drivers/hid/intel-ish-hid/ipc/ipc.c index 45e0c7b1c9ec..8ccb246b0114 100644 --- a/drivers/hid/intel-ish-hid/ipc/ipc.c +++ b/drivers/hid/intel-ish-hid/ipc/ipc.c @@ -909,7 +909,11 @@ static uint32_t ish_ipc_get_header(struct ishtp_device *dev, int length, */ static bool _dma_no_cache_snooping(struct ishtp_device *dev) { - return dev->pdev->device == EHL_Ax_DEVICE_ID; + return (dev->pdev->device == EHL_Ax_DEVICE_ID || + dev->pdev->device == TGL_LP_DEVICE_ID || + dev->pdev->device == TGL_H_DEVICE_ID || + dev->pdev->device == ADL_S_DEVICE_ID || + dev->pdev->device == ADL_P_DEVICE_ID); } static const struct ishtp_hw_ops ish_hw_ops = {