From patchwork Fri Oct 25 21:36:53 2019 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: "Schmauss, Erik" X-Patchwork-Id: 11213081 Return-Path: Received: from mail.kernel.org (pdx-korg-mail-1.web.codeaurora.org [172.30.200.123]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id 55D451951 for ; Fri, 25 Oct 2019 21:54:54 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 393AD222BE for ; Fri, 25 Oct 2019 21:54:54 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726363AbfJYVyx (ORCPT ); Fri, 25 Oct 2019 17:54:53 -0400 Received: from mga11.intel.com ([192.55.52.93]:27336 "EHLO mga11.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1725801AbfJYVyw (ORCPT ); Fri, 25 Oct 2019 17:54:52 -0400 X-Amp-Result: SKIPPED(no attachment in message) X-Amp-File-Uploaded: False Received: from orsmga003.jf.intel.com ([10.7.209.27]) by fmsmga102.fm.intel.com with ESMTP/TLS/DHE-RSA-AES256-GCM-SHA384; 25 Oct 2019 14:54:51 -0700 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.68,230,1569308400"; d="scan'208";a="201936042" Received: from sibelius.jf.intel.com ([10.54.75.23]) by orsmga003.jf.intel.com with ESMTP; 25 Oct 2019 14:54:51 -0700 From: Erik Schmauss To: "Rafael J . Wysocki" , linux-acpi@vger.kernel.org Cc: andriy.shevchenko@linux.intel.com, Nikolaus Voss , Erik Schmauss , Bob Moore Subject: [PATCH v2 05/12] ACPICA: make acpi_load_table() return table index Date: Fri, 25 Oct 2019 14:36:53 -0700 Message-Id: <20191025213700.14685-6-erik.schmauss@intel.com> X-Mailer: git-send-email 2.21.0 In-Reply-To: <20191025213700.14685-1-erik.schmauss@intel.com> References: <20191025213700.14685-1-erik.schmauss@intel.com> MIME-Version: 1.0 Sender: linux-acpi-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-acpi@vger.kernel.org From: Nikolaus Voss ACPICA commit d1716a829d19be23277d9157c575a03b9abb7457 For unloading an ACPI table, it is necessary to provide the index of the table. The method intended for dynamically loading or hotplug addition of tables, acpi_load_table(), should provide this information via an optional pointer to the loaded table index. This patch fixes the table unload function of acpi_configfs. Reported-by: Andy Shevchenko Fixes: d06c47e3dd07f ("ACPI: configfs: Resolve objects on host-directed table loads") Link: https://github.com/acpica/acpica/commit/d1716a82 Signed-off-by: Nikolaus Voss Signed-off-by: Erik Schmauss Signed-off-by: Bob Moore Tested-by: Andy Shevchenko --- drivers/acpi/acpi_configfs.c | 2 +- drivers/acpi/acpica/dbfileio.c | 2 +- drivers/acpi/acpica/tbxfload.c | 8 +++++++- drivers/firmware/efi/efi.c | 2 +- include/acpi/acpixf.h | 3 ++- 5 files changed, 12 insertions(+), 5 deletions(-) diff --git a/drivers/acpi/acpi_configfs.c b/drivers/acpi/acpi_configfs.c index 57d9d574d4dd..77f81242a28e 100644 --- a/drivers/acpi/acpi_configfs.c +++ b/drivers/acpi/acpi_configfs.c @@ -53,7 +53,7 @@ static ssize_t acpi_table_aml_write(struct config_item *cfg, if (!table->header) return -ENOMEM; - ret = acpi_load_table(table->header); + ret = acpi_load_table(table->header, &table->index); if (ret) { kfree(table->header); table->header = NULL; diff --git a/drivers/acpi/acpica/dbfileio.c b/drivers/acpi/acpica/dbfileio.c index c6e25734dc5c..e1b6e54a96ac 100644 --- a/drivers/acpi/acpica/dbfileio.c +++ b/drivers/acpi/acpica/dbfileio.c @@ -93,7 +93,7 @@ acpi_status acpi_db_load_tables(struct acpi_new_table_desc *list_head) while (table_list_head) { table = table_list_head->table; - status = acpi_load_table(table); + status = acpi_load_table(table, NULL); if (ACPI_FAILURE(status)) { if (status == AE_ALREADY_EXISTS) { acpi_os_printf diff --git a/drivers/acpi/acpica/tbxfload.c b/drivers/acpi/acpica/tbxfload.c index ce86e7945e90..0782acf85722 100644 --- a/drivers/acpi/acpica/tbxfload.c +++ b/drivers/acpi/acpica/tbxfload.c @@ -268,6 +268,8 @@ ACPI_EXPORT_SYMBOL_INIT(acpi_install_table) * * PARAMETERS: table - Pointer to a buffer containing the ACPI * table to be loaded. + * table_idx - Pointer to a u32 for storing the table + * index, might be NULL * * RETURN: Status * @@ -278,7 +280,7 @@ ACPI_EXPORT_SYMBOL_INIT(acpi_install_table) * to ensure that the table is not deleted or unmapped. * ******************************************************************************/ -acpi_status acpi_load_table(struct acpi_table_header *table) +acpi_status acpi_load_table(struct acpi_table_header *table, u32 *table_idx) { acpi_status status; u32 table_index; @@ -297,6 +299,10 @@ acpi_status acpi_load_table(struct acpi_table_header *table) status = acpi_tb_install_and_load_table(ACPI_PTR_TO_PHYSADDR(table), ACPI_TABLE_ORIGIN_EXTERNAL_VIRTUAL, FALSE, &table_index); + if (table_idx) { + *table_idx = table_index; + } + if (ACPI_SUCCESS(status)) { /* Complete the initialization/resolution of new objects */ diff --git a/drivers/firmware/efi/efi.c b/drivers/firmware/efi/efi.c index 69f00f7453a3..0d65cb21519d 100644 --- a/drivers/firmware/efi/efi.c +++ b/drivers/firmware/efi/efi.c @@ -296,7 +296,7 @@ static __init int efivar_ssdt_load(void) goto free_data; } - ret = acpi_load_table(data); + ret = acpi_load_table(data, NULL); if (ret) { pr_err("failed to load table: %d\n", ret); goto free_data; diff --git a/include/acpi/acpixf.h b/include/acpi/acpixf.h index 109b2f14b6c6..867170049b07 100644 --- a/include/acpi/acpixf.h +++ b/include/acpi/acpixf.h @@ -458,7 +458,8 @@ ACPI_EXTERNAL_RETURN_STATUS(acpi_status ACPI_INIT_FUNCTION u8 physical)) ACPI_EXTERNAL_RETURN_STATUS(acpi_status - acpi_load_table(struct acpi_table_header *table)) + acpi_load_table(struct acpi_table_header *table, + u32 *table_idx)) ACPI_EXTERNAL_RETURN_STATUS(acpi_status acpi_unload_table(u32 table_index))