From nobody Fri Apr 3 00:31:01 2026 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 69AF4ECAAD3 for ; Mon, 19 Sep 2022 17:51:20 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S231435AbiISRvS (ORCPT ); Mon, 19 Sep 2022 13:51:18 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:38260 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S231372AbiISRu7 (ORCPT ); Mon, 19 Sep 2022 13:50:59 -0400 Received: from mga07.intel.com (mga07.intel.com [134.134.136.100]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id C97494362B for ; Mon, 19 Sep 2022 10:50:54 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1663609854; x=1695145854; h=from:to:cc:subject:date:message-id:in-reply-to: references:mime-version:content-transfer-encoding; bh=JLrBqsp8Ryp2ISD8I4vo0ddVnpHvol6JNhobDsbmiJ0=; b=PJzWt6NCFKYd2OObsetlx0EbzcMXtHkCM+xlOx0ueW0T1r99BP6G8H7K cw828pewzGprm4Vay9gMD7tACEcli8JXEWMLeWcmF06wpAcWBresig3k0 qDfU3EroEjnyESvFGfOeF3iDvVhN6fDQuUjoTrgZzg3bOwdTJhAwVX/gP SX+GPl9Z9YlPX2DZM897aOE9psTpLZu+GVGaw6PCHjsJXVQVufRHke9xj yBHOAFZ53o78z0Z3OXkYlHlIu+5VXzwoWjcA6ecpYIUs80dOr4GxhCSvy 819Mk0Unxb8TrZdQ8OveS/DyM1+Adi1eqEfDT/gxV1XR+Zsm58c0b7c/a g==; X-IronPort-AV: E=McAfee;i="6500,9779,10475"; a="363429278" X-IronPort-AV: E=Sophos;i="5.93,328,1654585200"; d="scan'208";a="363429278" Received: from fmsmga006.fm.intel.com ([10.253.24.20]) by orsmga105.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 19 Sep 2022 10:50:53 -0700 X-IronPort-AV: E=Sophos;i="5.93,328,1654585200"; d="scan'208";a="863658468" Received: from bard-ubuntu.sh.intel.com ([10.239.185.57]) by fmsmga006-auth.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 19 Sep 2022 10:50:52 -0700 From: Bard Liao To: alsa-devel@alsa-project.org, vkoul@kernel.org Cc: vinod.koul@linaro.org, linux-kernel@vger.kernel.org, pierre-louis.bossart@linux.intel.com, bard.liao@intel.com Subject: [PATCH 07/11] soundwire: intel: remove intel_init() wrapper Date: Tue, 20 Sep 2022 01:57:17 +0800 Message-Id: <20220919175721.354679-8-yung-chuan.liao@linux.intel.com> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20220919175721.354679-1-yung-chuan.liao@linux.intel.com> References: <20220919175721.354679-1-yung-chuan.liao@linux.intel.com> MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Type: text/plain; charset="utf-8" From: Pierre-Louis Bossart We can directly call intel_link_power_up and do power_up+shim_init in the same function. This simplifies the code with a better symmetry between power_up and power_down operations. Signed-off-by: Pierre-Louis Bossart Reviewed-by: Rander Wang Signed-off-by: Bard Liao --- drivers/soundwire/intel.c | 33 ++++++++++----------------------- 1 file changed, 10 insertions(+), 23 deletions(-) diff --git a/drivers/soundwire/intel.c b/drivers/soundwire/intel.c index 140cf36eb407..4eeb2b5c1594 100644 --- a/drivers/soundwire/intel.c +++ b/drivers/soundwire/intel.c @@ -311,15 +311,13 @@ static void intel_shim_master_ip_to_glue(struct sdw_i= ntel *sdw) /* at this point Integration Glue has full control of the I/Os */ } =20 -static int intel_shim_init(struct sdw_intel *sdw) +/* this needs to be called with shim_lock */ +static void intel_shim_init(struct sdw_intel *sdw) { void __iomem *shim =3D sdw->link_res->shim; unsigned int link_id =3D sdw->instance; - int ret =3D 0; u16 ioctl =3D 0, act =3D 0; =20 - mutex_lock(sdw->link_res->shim_lock); - /* Initialize Shim */ ioctl |=3D SDW_SHIM_IOCTL_BKE; intel_writew(shim, SDW_SHIM_IOCTL(link_id), ioctl); @@ -344,10 +342,6 @@ static int intel_shim_init(struct sdw_intel *sdw) act |=3D SDW_SHIM_CTMCTL_DODS; intel_writew(shim, SDW_SHIM_CTMCTL(link_id), act); usleep_range(10, 15); - - mutex_unlock(sdw->link_res->shim_lock); - - return ret; } =20 static void intel_shim_wake(struct sdw_intel *sdw, bool wake_enable) @@ -449,6 +443,9 @@ static int intel_link_power_up(struct sdw_intel *sdw) *shim_mask |=3D BIT(link_id); =20 sdw->cdns.link_up =3D true; + + intel_shim_init(sdw); + out: mutex_unlock(sdw->link_res->shim_lock); =20 @@ -1274,16 +1271,6 @@ static struct sdw_master_ops sdw_intel_ops =3D { .post_bank_switch =3D intel_post_bank_switch, }; =20 -static int intel_init(struct sdw_intel *sdw) -{ - /* Initialize shim and controller */ - intel_link_power_up(sdw); - - intel_shim_init(sdw); - - return 0; -} - /* * probe and init (aux_dev_id argument is required by function prototype b= ut not used) */ @@ -1384,7 +1371,7 @@ int intel_link_startup(struct auxiliary_device *auxde= v) } =20 /* Initialize shim, controller */ - ret =3D intel_init(sdw); + ret =3D intel_link_power_up(sdw); if (ret) goto err_init; =20 @@ -1773,7 +1760,7 @@ static int __maybe_unused intel_resume(struct device = *dev) pm_runtime_idle(dev); } =20 - ret =3D intel_init(sdw); + ret =3D intel_link_power_up(sdw); if (ret) { dev_err(dev, "%s failed: %d\n", __func__, ret); return ret; @@ -1862,7 +1849,7 @@ static int __maybe_unused intel_resume_runtime(struct= device *dev) clock_stop_quirks =3D sdw->link_res->clock_stop_quirks; =20 if (clock_stop_quirks & SDW_INTEL_CLK_STOP_TEARDOWN) { - ret =3D intel_init(sdw); + ret =3D intel_link_power_up(sdw); if (ret) { dev_err(dev, "%s failed: %d\n", __func__, ret); return ret; @@ -1910,7 +1897,7 @@ static int __maybe_unused intel_resume_runtime(struct= device *dev) true, INTEL_MASTER_RESET_ITERATIONS); =20 } else if (clock_stop_quirks & SDW_INTEL_CLK_STOP_BUS_RESET) { - ret =3D intel_init(sdw); + ret =3D intel_link_power_up(sdw); if (ret) { dev_err(dev, "%s failed: %d\n", __func__, ret); return ret; @@ -1991,7 +1978,7 @@ static int __maybe_unused intel_resume_runtime(struct= device *dev) if (!clock_stop0) dev_err(dev, "%s invalid configuration, clock was not stopped", __func_= _); =20 - ret =3D intel_init(sdw); + ret =3D intel_link_power_up(sdw); if (ret) { dev_err(dev, "%s failed: %d\n", __func__, ret); return ret; --=20 2.25.1