From patchwork Mon Mar 7 12:25:05 2016 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Stefan Berger X-Patchwork-Id: 8518921 Return-Path: X-Original-To: patchwork-tpmdd-devel@patchwork.kernel.org Delivered-To: patchwork-parsemail@patchwork1.web.kernel.org Received: from mail.kernel.org (mail.kernel.org [198.145.29.136]) by patchwork1.web.kernel.org (Postfix) with ESMTP id 32CF19F38C for ; Mon, 7 Mar 2016 12:25:37 +0000 (UTC) Received: from mail.kernel.org (localhost [127.0.0.1]) by mail.kernel.org (Postfix) with ESMTP id 6D155201C0 for ; Mon, 7 Mar 2016 12:25:35 +0000 (UTC) Received: from lists.sourceforge.net (lists.sourceforge.net [216.34.181.88]) (using TLSv1 with cipher DHE-RSA-AES256-SHA (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id 2AD5920149 for ; Mon, 7 Mar 2016 12:25:34 +0000 (UTC) Received: from localhost ([127.0.0.1] helo=sfs-ml-4.v29.ch3.sourceforge.com) by sfs-ml-4.v29.ch3.sourceforge.com with esmtp (Exim 4.76) (envelope-from ) id 1acuE6-0004pV-Lp; Mon, 07 Mar 2016 12:25:30 +0000 Received: from sog-mx-1.v43.ch3.sourceforge.com ([172.29.43.191] helo=mx.sourceforge.net) by sfs-ml-4.v29.ch3.sourceforge.com with esmtp (Exim 4.76) (envelope-from ) id 1acuE5-0004pK-Sa for tpmdd-devel@lists.sourceforge.net; Mon, 07 Mar 2016 12:25:29 +0000 X-ACL-Warn: Received: from e35.co.us.ibm.com ([32.97.110.153]) by sog-mx-1.v43.ch3.sourceforge.com with esmtps (TLSv1:AES256-SHA:256) (Exim 4.76) id 1acuE4-0001WN-Ne for tpmdd-devel@lists.sourceforge.net; Mon, 07 Mar 2016 12:25:29 +0000 Received: from localhost by e35.co.us.ibm.com with IBM ESMTP SMTP Gateway: Authorized Use Only! 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Violators will be prosecuted; Mon, 7 Mar 2016 05:25:19 -0700 X-IBM-Helo: d03dlp01.boulder.ibm.com X-IBM-MailFrom: stefanb@linux.vnet.ibm.com X-IBM-RcptTo: tpmdd-devel@lists.sourceforge.net Received: from b03cxnp07029.gho.boulder.ibm.com (b03cxnp07029.gho.boulder.ibm.com [9.17.130.16]) by d03dlp01.boulder.ibm.com (Postfix) with ESMTP id 2C7E81FF0021 for ; Mon, 7 Mar 2016 05:13:28 -0700 (MST) Received: from d03av03.boulder.ibm.com (d03av03.boulder.ibm.com [9.17.195.169]) by b03cxnp07029.gho.boulder.ibm.com (8.14.9/8.14.9/NCO v10.0) with ESMTP id u27CPIsI38469820 for ; Mon, 7 Mar 2016 05:25:18 -0700 Received: from d03av03.boulder.ibm.com (localhost [127.0.0.1]) by d03av03.boulder.ibm.com (8.14.4/8.14.4/NCO v10.0 AVout) with ESMTP id u27CPIVx005030 for ; Mon, 7 Mar 2016 05:25:18 -0700 Received: from dhcp-9-2-140-43.watson.ibm.com (dhcp-9-2-140-28.watson.ibm.com [9.2.140.28]) by d03av03.boulder.ibm.com (8.14.4/8.14.4/NCO v10.0 AVin) with ESMTP id u27CPFhY004846; Mon, 7 Mar 2016 05:25:17 -0700 From: Stefan Berger To: tpmdd-devel@lists.sourceforge.net Date: Mon, 7 Mar 2016 07:25:05 -0500 Message-Id: <1457353514-2509-3-git-send-email-stefanb@linux.vnet.ibm.com> X-Mailer: git-send-email 2.4.3 In-Reply-To: <1457353514-2509-1-git-send-email-stefanb@linux.vnet.ibm.com> References: <1457353514-2509-1-git-send-email-stefanb@linux.vnet.ibm.com> X-TM-AS-MML: disable X-Content-Scanned: Fidelis XPS MAILER x-cbid: 16030712-0013-0000-0000-00001DA162A4 X-Spam-Score: -0.0 (/) X-Headers-End: 1acuE4-0001WN-Ne Subject: [tpmdd-devel] [PATCH v5 02/11] tpm: Get rid of devname X-BeenThere: tpmdd-devel@lists.sourceforge.net X-Mailman-Version: 2.1.9 Precedence: list List-Id: Tpm Device Driver maintainance List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , MIME-Version: 1.0 Errors-To: tpmdd-devel-bounces@lists.sourceforge.net X-Spam-Status: No, score=-6.9 required=5.0 tests=BAYES_00, HK_RANDOM_ENVFROM, RCVD_IN_DNSWL_HI, RP_MATCHES_RCVD, UNPARSEABLE_RELAY autolearn=unavailable version=3.3.1 X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on mail.kernel.org X-Virus-Scanned: ClamAV using ClamSMTP From: Jason Gunthorpe Now that we have a proper struct device just use dev_name() to access this value instead of keeping two copies. Signed-off-by: Jason Gunthorpe Signed-off-by: Stefan Berger Reviewed-by: Jarkko Sakkinen Tested-by: Jarkko Sakkinen Signed-off-by: Jarkko Sakkinen --- drivers/char/tpm/tpm-chip.c | 18 +++++++++++------- drivers/char/tpm/tpm.h | 1 - drivers/char/tpm/tpm_eventlog.c | 2 +- drivers/char/tpm/tpm_eventlog.h | 2 +- drivers/char/tpm/tpm_i2c_nuvoton.c | 2 +- drivers/char/tpm/tpm_tis.c | 2 +- 6 files changed, 15 insertions(+), 12 deletions(-) diff --git a/drivers/char/tpm/tpm-chip.c b/drivers/char/tpm/tpm-chip.c index 12829dd..c21d81c 100644 --- a/drivers/char/tpm/tpm-chip.c +++ b/drivers/char/tpm/tpm-chip.c @@ -111,7 +111,7 @@ struct tpm_chip *tpmm_chip_alloc(struct device *dev, set_bit(chip->dev_num, dev_mask); - scnprintf(chip->devname, sizeof(chip->devname), "tpm%d", chip->dev_num); + device_initialize(&chip->dev); dev_set_drvdata(dev, chip); @@ -127,9 +127,9 @@ struct tpm_chip *tpmm_chip_alloc(struct device *dev, else chip->dev.devt = MKDEV(MAJOR(tpm_devt), chip->dev_num); - dev_set_name(&chip->dev, "%s", chip->devname); - - device_initialize(&chip->dev); + rc = dev_set_name(&chip->dev, "tpm%d", chip->dev_num); + if (rc) + goto out; cdev_init(&chip->cdev, &tpm_fops); chip->cdev.owner = dev->driver->owner; @@ -142,6 +142,10 @@ struct tpm_chip *tpmm_chip_alloc(struct device *dev, } return chip; + +out: + put_device(&chip->dev); + return ERR_PTR(rc); } EXPORT_SYMBOL_GPL(tpmm_chip_alloc); @@ -153,7 +157,7 @@ static int tpm_add_char_device(struct tpm_chip *chip) if (rc) { dev_err(&chip->dev, "unable to cdev_add() %s, major %d, minor %d, err=%d\n", - chip->devname, MAJOR(chip->dev.devt), + dev_name(&chip->dev), MAJOR(chip->dev.devt), MINOR(chip->dev.devt), rc); return rc; @@ -163,7 +167,7 @@ static int tpm_add_char_device(struct tpm_chip *chip) if (rc) { dev_err(&chip->dev, "unable to device_register() %s, major %d, minor %d, err=%d\n", - chip->devname, MAJOR(chip->dev.devt), + dev_name(&chip->dev), MAJOR(chip->dev.devt), MINOR(chip->dev.devt), rc); cdev_del(&chip->cdev); @@ -190,7 +194,7 @@ static int tpm1_chip_register(struct tpm_chip *chip) if (rc) return rc; - chip->bios_dir = tpm_bios_log_setup(chip->devname); + chip->bios_dir = tpm_bios_log_setup(dev_name(&chip->dev)); return 0; } diff --git a/drivers/char/tpm/tpm.h b/drivers/char/tpm/tpm.h index 9c9be6c..5d33ba5 100644 --- a/drivers/char/tpm/tpm.h +++ b/drivers/char/tpm/tpm.h @@ -174,7 +174,6 @@ struct tpm_chip { unsigned int flags; int dev_num; /* /dev/tpm# */ - char devname[7]; unsigned long is_open; /* only one allowed */ int time_expired; diff --git a/drivers/char/tpm/tpm_eventlog.c b/drivers/char/tpm/tpm_eventlog.c index 4e6940a..e722886 100644 --- a/drivers/char/tpm/tpm_eventlog.c +++ b/drivers/char/tpm/tpm_eventlog.c @@ -403,7 +403,7 @@ static int is_bad(void *p) return 0; } -struct dentry **tpm_bios_log_setup(char *name) +struct dentry **tpm_bios_log_setup(const char *name) { struct dentry **ret = NULL, *tpm_dir, *bin_file, *ascii_file; diff --git a/drivers/char/tpm/tpm_eventlog.h b/drivers/char/tpm/tpm_eventlog.h index 267bfbd..cc9672f 100644 --- a/drivers/char/tpm/tpm_eventlog.h +++ b/drivers/char/tpm/tpm_eventlog.h @@ -77,7 +77,7 @@ int read_log(struct tpm_bios_log *log); #if defined(CONFIG_TCG_IBMVTPM) || defined(CONFIG_TCG_IBMVTPM_MODULE) || \ defined(CONFIG_ACPI) -extern struct dentry **tpm_bios_log_setup(char *); +extern struct dentry **tpm_bios_log_setup(const char *); extern void tpm_bios_log_teardown(struct dentry **); #else static inline struct dentry **tpm_bios_log_setup(char *name) diff --git a/drivers/char/tpm/tpm_i2c_nuvoton.c b/drivers/char/tpm/tpm_i2c_nuvoton.c index a1e1474..d61d43f 100644 --- a/drivers/char/tpm/tpm_i2c_nuvoton.c +++ b/drivers/char/tpm/tpm_i2c_nuvoton.c @@ -560,7 +560,7 @@ static int i2c_nuvoton_probe(struct i2c_client *client, rc = devm_request_irq(dev, chip->vendor.irq, i2c_nuvoton_int_handler, IRQF_TRIGGER_LOW, - chip->devname, + dev_name(&chip->dev), chip); if (rc) { dev_err(dev, "%s() Unable to request irq: %d for use\n", diff --git a/drivers/char/tpm/tpm_tis.c b/drivers/char/tpm/tpm_tis.c index 0a9aee9..eed3bf5 100644 --- a/drivers/char/tpm/tpm_tis.c +++ b/drivers/char/tpm/tpm_tis.c @@ -577,7 +577,7 @@ static int tpm_tis_probe_irq_single(struct tpm_chip *chip, u32 intmask, u8 original_int_vec; if (devm_request_irq(&chip->dev, irq, tis_int_handler, flags, - chip->devname, chip) != 0) { + dev_name(&chip->dev), chip) != 0) { dev_info(&chip->dev, "Unable to request irq: %d for probe\n", irq); return -1;