From patchwork Mon Jul 3 12:14:07 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Andy Shevchenko X-Patchwork-Id: 699391 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 CAF37C001DB for ; Mon, 3 Jul 2023 12:14:17 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S230411AbjGCMOQ (ORCPT ); Mon, 3 Jul 2023 08:14:16 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:38410 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229980AbjGCMOP (ORCPT ); Mon, 3 Jul 2023 08:14:15 -0400 Received: from mga05.intel.com (mga05.intel.com [192.55.52.43]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 1AB7B10E; Mon, 3 Jul 2023 05:14:14 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1688386454; x=1719922454; h=from:to:cc:subject:date:message-id:in-reply-to: references:mime-version:content-transfer-encoding; bh=tcBflnra7gCALSSSxjriqj/Y8FpJYDW+EY6Pd4pNPvY=; b=m0+VtHtTC98PYJH+/ZS3/VhNpVotMRPrfKP0en2aLPL5CKa9buWDL4ja hG3Bn+a4j/EGmFzzsx1N7NGJH/ifOliSk1zFeyzR+T+pUNPbaefjNrFXr I4Af4pPcnu5JfgUk8+rnpgqWis8MoTQPJsw+/PbYClLxkKl5mJcTbEQSi EY2b9ceml+6ynUUO/PsJcSDuMBaWAia1dV5istWwVB9ToQq4LBUWUoxfs 6whsyvYCbFV3B4QbvSxPyCdjNw8KChyVkJOBO0oWvtNQRUKefIpmtSrME TIBIxQuuT6OKtczy4TmpKQzmTCEEL553DnL30YqFNEw3sNlaK2/4lE1eW g==; X-IronPort-AV: E=McAfee;i="6600,9927,10759"; a="449241138" X-IronPort-AV: E=Sophos;i="6.01,178,1684825200"; d="scan'208";a="449241138" Received: from orsmga002.jf.intel.com ([10.7.209.21]) by fmsmga105.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 03 Jul 2023 05:14:13 -0700 X-ExtLoop1: 1 X-IronPort-AV: E=McAfee;i="6600,9927,10759"; a="718574508" X-IronPort-AV: E=Sophos;i="6.01,178,1684825200"; d="scan'208";a="718574508" Received: from black.fi.intel.com ([10.237.72.28]) by orsmga002.jf.intel.com with ESMTP; 03 Jul 2023 05:14:09 -0700 Received: by black.fi.intel.com (Postfix, from userid 1003) id F0B4A13C; Mon, 3 Jul 2023 15:14:12 +0300 (EEST) From: Andy Shevchenko To: Andy Shevchenko , "Rafael J. Wysocki" , Wolfram Sang , Andi Shyti , linux-acpi@vger.kernel.org, linux-kernel@vger.kernel.org, linux-i2c@vger.kernel.org, acpica-devel@lists.linuxfoundation.org Cc: "Rafael J. Wysocki" , Len Brown , Robert Moore , Michael Walle Subject: [PATCH v4 1/5] ACPI: bus: Introduce acpi_match_acpi_device() helper Date: Mon, 3 Jul 2023 15:14:07 +0300 Message-Id: <20230703121411.69606-2-andriy.shevchenko@linux.intel.com> X-Mailer: git-send-email 2.40.0.1.gaa8946217a0b In-Reply-To: <20230703121411.69606-1-andriy.shevchenko@linux.intel.com> References: <20230703121411.69606-1-andriy.shevchenko@linux.intel.com> MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: linux-i2c@vger.kernel.org Match the ACPI device against a given list of ACPI IDs. This may be helpful in different cases. Signed-off-by: Andy Shevchenko --- drivers/acpi/bus.c | 25 +++++++++++++++++++++---- include/linux/acpi.h | 9 +++++++++ 2 files changed, 30 insertions(+), 4 deletions(-) diff --git a/drivers/acpi/bus.c b/drivers/acpi/bus.c index 20cdfb37da79..2fc2b43a4ed3 100644 --- a/drivers/acpi/bus.c +++ b/drivers/acpi/bus.c @@ -850,6 +850,26 @@ static bool __acpi_match_device(const struct acpi_device *device, return true; } +/** + * acpi_match_acpi_device - Match an ACPI device against a given list of ACPI IDs + * @ids: Array of struct acpi_device_id objects to match against. + * @adev: The ACPI device pointer to match. + * + * Match the ACPI device @adev against a given list of ACPI IDs @ids. + * + * Return: + * a pointer to the first matching ACPI ID on success or %NULL on failure. + */ +const struct acpi_device_id *acpi_match_acpi_device(const struct acpi_device_id *ids, + const struct acpi_device *adev) +{ + const struct acpi_device_id *id = NULL; + + __acpi_match_device(adev, ids, NULL, &id, NULL); + return id; +} +EXPORT_SYMBOL_GPL(acpi_match_acpi_device); + /** * acpi_match_device - Match a struct device against a given list of ACPI IDs * @ids: Array of struct acpi_device_id object to match against. @@ -864,10 +884,7 @@ static bool __acpi_match_device(const struct acpi_device *device, const struct acpi_device_id *acpi_match_device(const struct acpi_device_id *ids, const struct device *dev) { - const struct acpi_device_id *id = NULL; - - __acpi_match_device(acpi_companion_match(dev), ids, NULL, &id, NULL); - return id; + return acpi_match_acpi_device(ids, acpi_companion_match(dev)); } EXPORT_SYMBOL_GPL(acpi_match_device); diff --git a/include/linux/acpi.h b/include/linux/acpi.h index 640f1c07c894..641dc4843987 100644 --- a/include/linux/acpi.h +++ b/include/linux/acpi.h @@ -707,6 +707,9 @@ extern int acpi_nvs_register(__u64 start, __u64 size); extern int acpi_nvs_for_each_region(int (*func)(__u64, __u64, void *), void *data); +const struct acpi_device_id *acpi_match_acpi_device(const struct acpi_device_id *ids, + const struct acpi_device *adev); + const struct acpi_device_id *acpi_match_device(const struct acpi_device_id *ids, const struct device *dev); @@ -922,6 +925,12 @@ static inline int acpi_nvs_for_each_region(int (*func)(__u64, __u64, void *), struct acpi_device_id; +static inline const struct acpi_device_id *acpi_match_acpi_device( + const struct acpi_device_id *ids, const struct acpi_device *adev) +{ + return NULL; +} + static inline const struct acpi_device_id *acpi_match_device( const struct acpi_device_id *ids, const struct device *dev) { From patchwork Mon Jul 3 12:14:08 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Andy Shevchenko X-Patchwork-Id: 699390 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 D919CC001B1 for ; Mon, 3 Jul 2023 12:14:19 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S231221AbjGCMOS (ORCPT ); Mon, 3 Jul 2023 08:14:18 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:38424 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S230262AbjGCMOQ (ORCPT ); Mon, 3 Jul 2023 08:14:16 -0400 Received: from mga05.intel.com (mga05.intel.com [192.55.52.43]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 2DD4A11F; Mon, 3 Jul 2023 05:14:15 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1688386455; x=1719922455; h=from:to:cc:subject:date:message-id:in-reply-to: references:mime-version:content-transfer-encoding; bh=0+SSNItGZd8DaGAVZM/aUS3kbeqhy2m38fy5KVkHewA=; b=DcvuSax7COzNFhXb9gdsI6E2rdAe6wUQvvbRu2SpIDrS4d+mhrai6A/k /TqsiWWFeNYGLd7zK6YVcQJJG8RbQSRKddUIh3Gdpji6pIl4LGYig3g1Y lg/s/2anTqv2ja0QT/z8r/6dESYJzdf2ST9VwNyAvG+lEsHM+3wDRRDB0 6fnBZpibxU3hraxkgQYIXOTvabg7x9Uh5NMKHqPtXQil4iMoSgq3BiBQf KrNCB7L1I1bDbowy6pm9wjmyUBQWRLm0tyZ8n5wzmEdO3Vjd49ZbWxNlQ gP1J5JpyM8D/rnOp7vPkEkeARNR6m/ggwqIFGDq/1ldkT3MAUY4r16a+S Q==; X-IronPort-AV: E=McAfee;i="6600,9927,10759"; a="449241149" X-IronPort-AV: E=Sophos;i="6.01,178,1684825200"; d="scan'208";a="449241149" Received: from orsmga002.jf.intel.com ([10.7.209.21]) by fmsmga105.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 03 Jul 2023 05:14:14 -0700 X-ExtLoop1: 1 X-IronPort-AV: E=McAfee;i="6600,9927,10759"; a="718574513" X-IronPort-AV: E=Sophos;i="6.01,178,1684825200"; d="scan'208";a="718574513" Received: from black.fi.intel.com ([10.237.72.28]) by orsmga002.jf.intel.com with ESMTP; 03 Jul 2023 05:14:10 -0700 Received: by black.fi.intel.com (Postfix, from userid 1003) id 085C6178; Mon, 3 Jul 2023 15:14:13 +0300 (EEST) From: Andy Shevchenko To: Andy Shevchenko , "Rafael J. Wysocki" , Wolfram Sang , Andi Shyti , linux-acpi@vger.kernel.org, linux-kernel@vger.kernel.org, linux-i2c@vger.kernel.org, acpica-devel@lists.linuxfoundation.org Cc: "Rafael J. Wysocki" , Len Brown , Robert Moore , Michael Walle Subject: [PATCH v4 2/5] ACPI: platform: Ignore SMB0001 only when it has resources Date: Mon, 3 Jul 2023 15:14:08 +0300 Message-Id: <20230703121411.69606-3-andriy.shevchenko@linux.intel.com> X-Mailer: git-send-email 2.40.0.1.gaa8946217a0b In-Reply-To: <20230703121411.69606-1-andriy.shevchenko@linux.intel.com> References: <20230703121411.69606-1-andriy.shevchenko@linux.intel.com> MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: linux-i2c@vger.kernel.org After switching i2c-scmi driver to be a platform one, it stopped being enumerated on number of Kontron platforms, because it's listed in the forbidden_id_list. To resolve the situation, add a flag to driver data to allow devices with no resources in _CRS to be enumerated via platform bus. Fixes: 03d4287add6e ("i2c: scmi: Convert to be a platform driver") Closes: https://lore.kernel.org/r/60c1756765b9a3f1eab0dcbd84f59f00fe1caf48.camel@kontron.com Link: https://lore.kernel.org/r/20230621151652.79579-1-andriy.shevchenko@linux.intel.com Signed-off-by: Andy Shevchenko Reviewed-by: Andi Shyti --- drivers/acpi/acpi_platform.c | 30 +++++++++++++++++++++++++++--- 1 file changed, 27 insertions(+), 3 deletions(-) diff --git a/drivers/acpi/acpi_platform.c b/drivers/acpi/acpi_platform.c index fe00a5783f53..c2ce558bd032 100644 --- a/drivers/acpi/acpi_platform.c +++ b/drivers/acpi/acpi_platform.c @@ -9,6 +9,7 @@ */ #include +#include #include #include #include @@ -19,13 +20,16 @@ #include "internal.h" +/* Exclude devices that have no _CRS resources provided */ +#define ACPI_ALLOW_WO_RESOURCES BIT(0) + static const struct acpi_device_id forbidden_id_list[] = { {"ACPI0009", 0}, /* IOxAPIC */ {"ACPI000A", 0}, /* IOAPIC */ {"PNP0000", 0}, /* PIC */ {"PNP0100", 0}, /* Timer */ {"PNP0200", 0}, /* AT DMA Controller */ - {"SMB0001", 0}, /* ACPI SMBUS virtual device */ + {"SMB0001", ACPI_ALLOW_WO_RESOURCES}, /* ACPI SMBUS virtual device */ { } }; @@ -83,6 +87,15 @@ static void acpi_platform_fill_resource(struct acpi_device *adev, dest->parent = pci_find_resource(to_pci_dev(parent), dest); } +static unsigned int acpi_platform_resource_count(struct acpi_resource *ares, void *data) +{ + bool *has_resources = data; + + *has_resources = true; + + return AE_CTRL_TERMINATE; +} + /** * acpi_create_platform_device - Create platform device for ACPI device node * @adev: ACPI device node to create a platform device for. @@ -100,17 +113,28 @@ struct platform_device *acpi_create_platform_device(struct acpi_device *adev, struct acpi_device *parent = acpi_dev_parent(adev); struct platform_device *pdev = NULL; struct platform_device_info pdevinfo; + const struct acpi_device_id *match; struct resource_entry *rentry; struct list_head resource_list; struct resource *resources = NULL; + bool has_resources; int count; /* If the ACPI node already has a physical device attached, skip it. */ if (adev->physical_node_count) return NULL; - if (!acpi_match_device_ids(adev, forbidden_id_list)) - return ERR_PTR(-EINVAL); + match = acpi_match_acpi_device(forbidden_id_list, adev); + if (match) { + if (match->driver_data & ACPI_ALLOW_WO_RESOURCES) { + acpi_walk_resources(adev->handle, METHOD_NAME__CRS, + acpi_platform_resource_count, &has_resources); + if (has_resources) + return ERR_PTR(-EINVAL); + } else { + return ERR_PTR(-EINVAL); + } + } INIT_LIST_HEAD(&resource_list); count = acpi_dev_get_resources(adev, &resource_list, NULL, NULL);