From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-12.7 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,INCLUDES_PATCH,MAILING_LIST_MULTI, SPF_HELO_NONE,SPF_PASS,USER_AGENT_SANE_1 autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 40A32C2B9F4 for ; Mon, 14 Jun 2021 13:55:47 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 2298B6128C for ; Mon, 14 Jun 2021 13:55:47 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S233293AbhFNN5t (ORCPT ); Mon, 14 Jun 2021 09:57:49 -0400 Received: from mail.kernel.org ([198.145.29.99]:36124 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S233180AbhFNN5s (ORCPT ); Mon, 14 Jun 2021 09:57:48 -0400 Received: by mail.kernel.org (Postfix) with ESMTPSA id E404B610A0; Mon, 14 Jun 2021 13:55:44 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1623678946; bh=2AiA7ciNnoSYzbN02CAkdsFukMbfXZE+4JSMq8tgGBU=; h=Date:From:To:cc:Subject:In-Reply-To:References:From; b=BV4TkK1antJP4lTDE/dz4WIlxbR+8Y+58ctwKaX5qVUXTTwqBfEX3zYS2EjULSD9y MoxjniPD5fW1R0ztWA00y0ztben3QkUOzUX9p4cyH+oCh/pERz1zps0dNiH34YQz2g gQqjs3Oq8ECbJtLsturbR1ox3dZBLtDgHb2mungvpWUO06qjep2xJglL6p7Z2jVXFN ME/ODkwqmtmRddqz/xQI1JxJj0c2yyWD0NJyJhu3blZaRkEeymdT/3bcJlZxIeZAn6 Ps6ZmtBj30yjrHXQQ3pRbVP1Hr9uxhRHDrnU086SpKUkT3VM1lIQkTt+4biHwkyIDN tyL5xkctSef2g== Date: Mon, 14 Jun 2021 15:55:43 +0200 (CEST) From: Jiri Kosina To: Even Xu cc: srinivas.pandruvada@linux.intel.com, benjamin.tissoires@redhat.com, linux-input@vger.kernel.org Subject: Re: [PATCH 0/3] enable ISH DMA on EHL platform In-Reply-To: <1623306114-19208-1-git-send-email-even.xu@intel.com> Message-ID: References: <1623306114-19208-1-git-send-email-even.xu@intel.com> User-Agent: Alpine 2.21 (LSU 202 2017-01-01) MIME-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Precedence: bulk List-ID: X-Mailing-List: linux-input@vger.kernel.org On Thu, 10 Jun 2021, Even Xu wrote: > These patch set are used for enabling ISH DMA on EHL platform. > > During ISH DMA enabling, some platforms (such as EHL) don't > support cache snooping, bus driver (ishtp) has to involve > a new callback, dma_no_cache_snooping(), in hardware layer (ipc) > to get hardware DMA capability. > > When do cache flush, clflush_cache_range() API is used on X86 > which isn't supported by all other archs (such as ARM). > Considering ISH only exists on Intel platforms, adding ISH > depending on X86 in Kconfig to avoid build warnings or errors > on other archs. > > Even Xu (3): > hid: intel-ish-hid: Set ISH driver depends on x86 > hid: intel-ish-hid: ishtp: Add dma_no_cache_snooping() callback > hid: intel-ish-hid: ipc: Specify that EHL no cache snooping > > drivers/hid/intel-ish-hid/Kconfig | 1 + > drivers/hid/intel-ish-hid/ipc/ipc.c | 26 +++++++++++++++++++++++++- > drivers/hid/intel-ish-hid/ishtp/client.c | 18 ++++++++++++++++++ > drivers/hid/intel-ish-hid/ishtp/ishtp-dev.h | 1 + > 4 files changed, 45 insertions(+), 1 deletion(-) Now queued in for-5.14/intel-ish, thanks. -- Jiri Kosina SUSE Labs