From patchwork Tue Jun 23 02:47:44 2009 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: "Zhao, Yakui" X-Patchwork-Id: 31906 Received: from vger.kernel.org (vger.kernel.org [209.132.176.167]) by demeter.kernel.org (8.14.2/8.14.2) with ESMTP id n5N2kjl6028006 for ; Tue, 23 Jun 2009 02:46:45 GMT Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1751010AbZFWCql (ORCPT ); Mon, 22 Jun 2009 22:46:41 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1752511AbZFWCql (ORCPT ); Mon, 22 Jun 2009 22:46:41 -0400 Received: from mga02.intel.com ([134.134.136.20]:2230 "EHLO mga02.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751010AbZFWCqk (ORCPT ); Mon, 22 Jun 2009 22:46:40 -0400 Received: from orsmga002.jf.intel.com ([10.7.209.21]) by orsmga101.jf.intel.com with ESMTP; 22 Jun 2009 19:37:25 -0700 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="4.42,273,1243839600"; d="scan'208";a="424451422" Received: from yakui_zhao.sh.intel.com (HELO [10.239.13.177]) ([10.239.13.177]) by orsmga002.jf.intel.com with ESMTP; 22 Jun 2009 19:53:54 -0700 Subject: [PATCH]: ACPI: Depreciate the ACPI processor proc I/F From: yakui_zhao To: lenb@kernel.org Cc: linux-acpi@vger.kernel.org Organization: Intel Open Source Technology Center Date: Tue, 23 Jun 2009 10:47:44 +0800 Message-Id: <1245725264.7266.1.camel@localhost.localdomain> Mime-Version: 1.0 X-Mailer: Evolution 2.22.1 (2.22.1-2.fc9) Sender: linux-acpi-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-acpi@vger.kernel.org Now whether the ACPI processor proc I/F is registered depends on the CONFIG_PROC. It had better depend on the CONFIG_ACPI_PROCFS. Depreciate the ACPI processor proc I/F. When the CONFIG_ACPI_PROCFS is unset in kernel configuration, it won't be registered. Signed-off-by: Zhao Yakui --- drivers/acpi/processor_core.c | 25 +++++++++++++++++++++---- drivers/acpi/processor_idle.c | 8 ++++++-- drivers/acpi/processor_thermal.c | 3 ++- drivers/acpi/processor_throttling.c | 3 ++- 4 files changed, 31 insertions(+), 8 deletions(-) -- To unsubscribe from this list: send the line "unsubscribe linux-acpi" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Index: linux-2.6/drivers/acpi/processor_core.c =================================================================== --- linux-2.6.orig/drivers/acpi/processor_core.c 2009-06-23 10:09:11.000000000 +0800 +++ linux-2.6/drivers/acpi/processor_core.c 2009-06-23 10:40:25.000000000 +0800 @@ -81,7 +81,9 @@ static int acpi_processor_add(struct acpi_device *device); static int acpi_processor_start(struct acpi_device *device); static int acpi_processor_remove(struct acpi_device *device, int type); +#ifdef CONFIG_ACPI_PROCFS static int acpi_processor_info_open_fs(struct inode *inode, struct file *file); +#endif static void acpi_processor_notify(struct acpi_device *device, u32 event); static acpi_status acpi_processor_hotadd_init(acpi_handle handle, int *p_cpu); static int acpi_processor_handle_eject(struct acpi_processor *pr); @@ -110,7 +112,7 @@ #define INSTALL_NOTIFY_HANDLER 1 #define UNINSTALL_NOTIFY_HANDLER 2 - +#ifdef CONFIG_ACPI_PROCFS static const struct file_operations acpi_processor_info_fops = { .owner = THIS_MODULE, .open = acpi_processor_info_open_fs, @@ -118,6 +120,7 @@ .llseek = seq_lseek, .release = single_release, }; +#endif DEFINE_PER_CPU(struct acpi_processor *, processors); struct acpi_processor_errata errata __read_mostly; @@ -316,6 +319,7 @@ FS Interface (/proc) -------------------------------------------------------------------------- */ +#ifdef CONFIG_ACPI_PROCFS static struct proc_dir_entry *acpi_processor_dir = NULL; static int acpi_processor_info_seq_show(struct seq_file *seq, void *offset) @@ -388,7 +392,6 @@ return -EIO; return 0; } - static int acpi_processor_remove_fs(struct acpi_device *device) { @@ -405,6 +408,16 @@ return 0; } +#else +static inline int acpi_processor_add_fs(struct acpi_device *device) +{ + return 0; +} +static inline int acpi_processor_remove_fs(struct acpi_device *device) +{ + return 0; +} +#endif /* Use the acpiid in MADT to map cpus in case of SMP */ @@ -1147,11 +1160,11 @@ (struct acpi_table_header **)&madt))) madt = NULL; #endif - +#ifdef CONFIG_ACPI_PROCFS acpi_processor_dir = proc_mkdir(ACPI_PROCESSOR_CLASS, acpi_root_dir); if (!acpi_processor_dir) return -ENOMEM; - +#endif /* * Check whether the system is DMI table. If yes, OSPM * should not use mwait for CPU-states. @@ -1179,7 +1192,9 @@ cpuidle_unregister_driver(&acpi_idle_driver); out_proc: +#ifdef CONFIG_ACPI_PROCFS remove_proc_entry(ACPI_PROCESSOR_CLASS, acpi_root_dir); +#endif return result; } @@ -1196,7 +1211,9 @@ cpuidle_unregister_driver(&acpi_idle_driver); +#ifdef CONFIG_ACPI_PROCFS remove_proc_entry(ACPI_PROCESSOR_CLASS, acpi_root_dir); +#endif return; } Index: linux-2.6/drivers/acpi/processor_idle.c =================================================================== --- linux-2.6.orig/drivers/acpi/processor_idle.c 2009-06-23 10:09:11.000000000 +0800 +++ linux-2.6/drivers/acpi/processor_idle.c 2009-06-23 10:40:25.000000000 +0800 @@ -679,6 +679,7 @@ return 0; } +#ifdef CONFIG_ACPI_PROCFS static int acpi_processor_power_seq_show(struct seq_file *seq, void *offset) { struct acpi_processor *pr = seq->private; @@ -758,7 +759,7 @@ .llseek = seq_lseek, .release = single_release, }; - +#endif /** * acpi_idle_bm_check - checks if bus master activity was detected @@ -1216,7 +1217,7 @@ pr->power.states[i].type); printk(")\n"); } - +#ifdef CONFIG_ACPI_PROCFS /* 'power' [R] */ entry = proc_create_data(ACPI_PROCESSOR_FILE_POWER, S_IRUGO, acpi_device_dir(device), @@ -1224,6 +1225,7 @@ acpi_driver_data(device)); if (!entry) return -EIO; +#endif return 0; } @@ -1236,9 +1238,11 @@ cpuidle_unregister_device(&pr->power.dev); pr->flags.power_setup_done = 0; +#ifdef CONFIG_ACPI_PROCFS if (acpi_device_dir(device)) remove_proc_entry(ACPI_PROCESSOR_FILE_POWER, acpi_device_dir(device)); +#endif return 0; } Index: linux-2.6/drivers/acpi/processor_throttling.c =================================================================== --- linux-2.6.orig/drivers/acpi/processor_throttling.c 2009-06-16 13:49:58.000000000 +0800 +++ linux-2.6/drivers/acpi/processor_throttling.c 2009-06-23 10:40:25.000000000 +0800 @@ -1214,7 +1214,7 @@ } /* proc interface */ - +#ifdef CONFIG_ACPI_PROCFS static int acpi_processor_throttling_seq_show(struct seq_file *seq, void *offset) { @@ -1322,3 +1322,4 @@ .llseek = seq_lseek, .release = single_release, }; +#endif Index: linux-2.6/drivers/acpi/processor_thermal.c =================================================================== --- linux-2.6.orig/drivers/acpi/processor_thermal.c 2009-06-16 13:49:58.000000000 +0800 +++ linux-2.6/drivers/acpi/processor_thermal.c 2009-06-23 10:40:25.000000000 +0800 @@ -438,7 +438,7 @@ }; /* /proc interface */ - +#ifdef CONFIG_ACPI_PROCFS static int acpi_processor_limit_seq_show(struct seq_file *seq, void *offset) { struct acpi_processor *pr = (struct acpi_processor *)seq->private; @@ -517,3 +517,4 @@ .llseek = seq_lseek, .release = single_release, }; +#endif