From patchwork Fri Jan 22 07:06:29 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: "Liao, Bard" X-Patchwork-Id: 369502 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=-16.8 required=3.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID, HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_CR_TRAILER, INCLUDES_PATCH, MAILING_LIST_MULTI, SPF_HELO_NONE, SPF_PASS, URIBL_BLOCKED, USER_AGENT_GIT 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 9387DC433E6 for ; Fri, 22 Jan 2021 07:09:19 +0000 (UTC) Received: from alsa0.perex.cz (alsa0.perex.cz [77.48.224.243]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id C873B22283 for ; Fri, 22 Jan 2021 07:09:18 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org C873B22283 Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=linux.intel.com Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=alsa-devel-bounces@alsa-project.org Received: from alsa1.perex.cz (alsa1.perex.cz [207.180.221.201]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by alsa0.perex.cz (Postfix) with ESMTPS id 2861D1AAE; Fri, 22 Jan 2021 08:08:27 +0100 (CET) DKIM-Filter: OpenDKIM Filter v2.11.0 alsa0.perex.cz 2861D1AAE DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=alsa-project.org; s=default; t=1611299357; bh=CYn5LKDR5x31RpzAFZ4UNGrqJBdXucnTc8Nv62JrtG0=; h=From:To:Subject:Date:In-Reply-To:References:Cc:List-Id: List-Unsubscribe:List-Archive:List-Post:List-Help:List-Subscribe: From; b=W1P+6uGwEMXJepO/rNoWi4GSJlNGF926F+tg5OfA/KrEPvNJXnNiRq2PiJ6ayITt3 UdIBmemyXnZ2ZyxJy+o/IgB/rTtQ4xwUgjjDvLwPcuGOqqcLfvjsG6eotehwsqMNt1 +lGYW8JKTblht1g4y8vDb9Pbeo1bx4t0SWRgeG9E= Received: from alsa1.perex.cz (localhost.localdomain [127.0.0.1]) by alsa1.perex.cz (Postfix) with ESMTP id BE6D0F8016E; Fri, 22 Jan 2021 08:07:01 +0100 (CET) Received: by alsa1.perex.cz (Postfix, from userid 50401) id 67BCFF804E1; Fri, 22 Jan 2021 08:06:58 +0100 (CET) Received: from mga12.intel.com (mga12.intel.com [192.55.52.136]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by alsa1.perex.cz (Postfix) with ESMTPS id CF8CCF80218 for ; Fri, 22 Jan 2021 08:06:47 +0100 (CET) DKIM-Filter: OpenDKIM Filter v2.11.0 alsa1.perex.cz CF8CCF80218 IronPort-SDR: gzC+Cijl8XdlwD+ZoZMveReXLsXMfSwSR3lXGDmm4aQQ891oUKNrlyFausKwo3LDTksS9udAFE tNI8N3H2IuGA== X-IronPort-AV: E=McAfee;i="6000,8403,9871"; a="158581058" X-IronPort-AV: E=Sophos;i="5.79,366,1602572400"; d="scan'208";a="158581058" Received: from orsmga001.jf.intel.com ([10.7.209.18]) by fmsmga106.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 21 Jan 2021 23:06:47 -0800 IronPort-SDR: 5+xqaTfKRqBQE5/G3Lk4zCKtNvYZltNAHSXV6GS8QrpOMif/tAx43UuCqAYtSJajo+xpBDwHfp BOyc7ker88gw== X-IronPort-AV: E=Sophos;i="5.79,366,1602572400"; d="scan'208";a="427863586" Received: from bard-ubuntu.sh.intel.com ([10.239.13.33]) by orsmga001-auth.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 21 Jan 2021 23:06:43 -0800 From: Bard Liao To: alsa-devel@alsa-project.org, vkoul@kernel.org Subject: [RESEND PATCH v2 4/9] soundwire: export sdw_write/read_no_pm functions Date: Fri, 22 Jan 2021 15:06:29 +0800 Message-Id: <20210122070634.12825-5-yung-chuan.liao@linux.intel.com> X-Mailer: git-send-email 2.17.1 In-Reply-To: <20210122070634.12825-1-yung-chuan.liao@linux.intel.com> References: <20210122070634.12825-1-yung-chuan.liao@linux.intel.com> Cc: pierre-louis.bossart@linux.intel.com, vinod.koul@linaro.org, tiwai@suse.de, gregkh@linuxfoundation.org, linux-kernel@vger.kernel.org, ranjani.sridharan@linux.intel.com, hui.wang@canonical.com, broonie@kernel.org, srinivas.kandagatla@linaro.org, jank@cadence.com, sanyog.r.kale@intel.com, rander.wang@linux.intel.com, bard.liao@intel.com X-BeenThere: alsa-devel@alsa-project.org X-Mailman-Version: 2.1.15 Precedence: list List-Id: "Alsa-devel mailing list for ALSA developers - http://www.alsa-project.org" List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: alsa-devel-bounces@alsa-project.org Sender: "Alsa-devel" sdw_write_no_pm and sdw_read_no_pm are useful when we want to do IO without touching PM. Fixes: 0231453bc08f ('soundwire: bus: add clock stop helpers') Fixes: 60ee9be25571 ('soundwire: bus: add PM/no-PM versions of read/write functions') Signed-off-by: Bard Liao --- drivers/soundwire/bus.c | 7 ++++--- include/linux/soundwire/sdw.h | 2 ++ 2 files changed, 6 insertions(+), 3 deletions(-) diff --git a/drivers/soundwire/bus.c b/drivers/soundwire/bus.c index 86c339d77a39..4eaeeb4090f0 100644 --- a/drivers/soundwire/bus.c +++ b/drivers/soundwire/bus.c @@ -405,10 +405,11 @@ sdw_nwrite_no_pm(struct sdw_slave *slave, u32 addr, size_t count, u8 *val) return sdw_transfer(slave->bus, &msg); } -static int sdw_write_no_pm(struct sdw_slave *slave, u32 addr, u8 value) +int sdw_write_no_pm(struct sdw_slave *slave, u32 addr, u8 value) { return sdw_nwrite_no_pm(slave, addr, 1, &value); } +EXPORT_SYMBOL(sdw_write_no_pm); static int sdw_bread_no_pm(struct sdw_bus *bus, u16 dev_num, u32 addr) @@ -476,8 +477,7 @@ int sdw_bwrite_no_pm_unlocked(struct sdw_bus *bus, u16 dev_num, u32 addr, u8 val } EXPORT_SYMBOL(sdw_bwrite_no_pm_unlocked); -static int -sdw_read_no_pm(struct sdw_slave *slave, u32 addr) +int sdw_read_no_pm(struct sdw_slave *slave, u32 addr) { u8 buf; int ret; @@ -488,6 +488,7 @@ sdw_read_no_pm(struct sdw_slave *slave, u32 addr) else return buf; } +EXPORT_SYMBOL(sdw_read_no_pm); static int sdw_update_no_pm(struct sdw_slave *slave, u32 addr, u8 mask, u8 val) { diff --git a/include/linux/soundwire/sdw.h b/include/linux/soundwire/sdw.h index f0b01b728640..d08039d65825 100644 --- a/include/linux/soundwire/sdw.h +++ b/include/linux/soundwire/sdw.h @@ -1005,6 +1005,8 @@ int sdw_bus_exit_clk_stop(struct sdw_bus *bus); int sdw_read(struct sdw_slave *slave, u32 addr); int sdw_write(struct sdw_slave *slave, u32 addr, u8 value); +int sdw_write_no_pm(struct sdw_slave *slave, u32 addr, u8 value); +int sdw_read_no_pm(struct sdw_slave *slave, u32 addr); int sdw_nread(struct sdw_slave *slave, u32 addr, size_t count, u8 *val); int sdw_nwrite(struct sdw_slave *slave, u32 addr, size_t count, u8 *val);