From patchwork Sat Jul 30 15:59:04 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Andy Shevchenko X-Patchwork-Id: 594588 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 54002C19F2A for ; Sat, 30 Jul 2022 15:59:02 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S234994AbiG3P7B (ORCPT ); Sat, 30 Jul 2022 11:59:01 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:38056 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229742AbiG3P67 (ORCPT ); Sat, 30 Jul 2022 11:58:59 -0400 Received: from mga14.intel.com (mga14.intel.com [192.55.52.115]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id E85FADF55; Sat, 30 Jul 2022 08:58:58 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1659196738; x=1690732738; h=from:to:cc:subject:date:message-id:mime-version: content-transfer-encoding; bh=9cKOU+81t6KkSi6zCm5L/gkHl9usaGGFPm85VfGl91U=; b=Zm2CmG7c9OBLbshXPAXQ8CX98Gl1SjnM5qWfbzK0pezMEcplPCsZbKyp foB4HDaVhxOA5wS5oPD5jukeyLdDvjUx1l4u5MzE+xKePLeuG/IMn/2hP v5/XxpG7TZefCGQl9/BHx76RsZKdd1MqPZDFaeZBQZ5QMu3Mxm9zyFsUM k5891SL1cwiWhDbfuy3AjD4JYwAFeqgRxBvm+2xxa7seBKKFA3KiXVqOq nZbIi2YomMojqUtNCdMSnCDcb5kLWbPgyk7iPSS5sBgL1F+YWq6gHXVNp MEqpnaBBXKw0DDiHaFs94ciJrBodP9/RLhKiumPqFPrnzbTKImUAOneA/ Q==; X-IronPort-AV: E=McAfee;i="6400,9594,10424"; a="288939832" X-IronPort-AV: E=Sophos;i="5.93,204,1654585200"; d="scan'208";a="288939832" Received: from orsmga004.jf.intel.com ([10.7.209.38]) by fmsmga103.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 30 Jul 2022 08:58:58 -0700 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.93,204,1654585200"; d="scan'208";a="728024568" Received: from black.fi.intel.com ([10.237.72.28]) by orsmga004.jf.intel.com with ESMTP; 30 Jul 2022 08:58:56 -0700 Received: by black.fi.intel.com (Postfix, from userid 1003) id 9A9CAF1; Sat, 30 Jul 2022 18:59:06 +0300 (EEST) From: Andy Shevchenko To: Mauro Carvalho Chehab , Hans de Goede , linux-media@vger.kernel.org, linux-staging@lists.linux.dev, linux-kernel@vger.kernel.org Cc: Sakari Ailus , Greg Kroah-Hartman , Andy Shevchenko Subject: [PATCH v2 1/1] media: atomisp_gmin_platform: Switch to use acpi_evaluate_dsm_typed() Date: Sat, 30 Jul 2022 18:59:04 +0300 Message-Id: <20220730155905.90091-1-andriy.shevchenko@linux.intel.com> X-Mailer: git-send-email 2.35.1 MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: linux-media@vger.kernel.org The acpi_evaluate_dsm_typed() provides a way to check the type of the object evaluated by _DSM call. Use it instead of open coded variant. Signed-off-by: Andy Shevchenko Acked-by: Sakari Ailus --- v2: fixed 80 character overgo (Sakari) drivers/staging/media/atomisp/pci/atomisp_gmin_platform.c | 8 +++----- 1 file changed, 3 insertions(+), 5 deletions(-) diff --git a/drivers/staging/media/atomisp/pci/atomisp_gmin_platform.c b/drivers/staging/media/atomisp/pci/atomisp_gmin_platform.c index bf527b366ab3..f7fc5137199c 100644 --- a/drivers/staging/media/atomisp/pci/atomisp_gmin_platform.c +++ b/drivers/staging/media/atomisp/pci/atomisp_gmin_platform.c @@ -1207,16 +1207,14 @@ static int gmin_get_config_dsm_var(struct device *dev, if (!strcmp(var, "CamClk")) return -EINVAL; - obj = acpi_evaluate_dsm(handle, &atomisp_dsm_guid, 0, 0, NULL); + /* Return on unexpected object type */ + obj = acpi_evaluate_dsm_typed(handle, &atomisp_dsm_guid, 0, 0, NULL, + ACPI_TYPE_PACKAGE); if (!obj) { dev_info_once(dev, "Didn't find ACPI _DSM table.\n"); return -EINVAL; } - /* Return on unexpected object type */ - if (obj->type != ACPI_TYPE_PACKAGE) - return -EINVAL; - #if 0 /* Just for debugging purposes */ for (i = 0; i < obj->package.count; i++) { union acpi_object *cur = &obj->package.elements[i];