From patchwork Fri Feb 19 12:42:00 2016 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Stefan Berger X-Patchwork-Id: 585191 Return-Path: X-Original-To: incoming@patchwork.ozlabs.org Delivered-To: patchwork-incoming@bilbo.ozlabs.org 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 ozlabs.org (Postfix) with ESMTPS id 0DAE814076A for ; Fri, 19 Feb 2016 23:42:35 +1100 (AEDT) Received: from localhost ([127.0.0.1] helo=sfs-ml-1.v29.ch3.sourceforge.com) by sfs-ml-1.v29.ch3.sourceforge.com with esmtp (Exim 4.76) (envelope-from ) id 1aWkOE-0003uY-7b; Fri, 19 Feb 2016 12:42:30 +0000 Received: from sog-mx-2.v43.ch3.sourceforge.com ([172.29.43.192] helo=mx.sourceforge.net) by sfs-ml-1.v29.ch3.sourceforge.com with esmtp (Exim 4.76) (envelope-from ) id 1aWkOB-0003u8-7v for tpmdd-devel@lists.sourceforge.net; Fri, 19 Feb 2016 12:42:27 +0000 X-ACL-Warn: Received: from e38.co.us.ibm.com ([32.97.110.159]) by sog-mx-2.v43.ch3.sourceforge.com with esmtps (TLSv1:AES256-SHA:256) (Exim 4.76) id 1aWkOA-0005Pv-5N for tpmdd-devel@lists.sourceforge.net; Fri, 19 Feb 2016 12:42:27 +0000 Received: from localhost by e38.co.us.ibm.com with IBM ESMTP SMTP Gateway: Authorized Use Only! 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Violators will be prosecuted; Fri, 19 Feb 2016 05:42:13 -0700 X-IBM-Helo: d03dlp02.boulder.ibm.com X-IBM-MailFrom: stefanb@linux.vnet.ibm.com X-IBM-RcptTo: tpmdd-devel@lists.sourceforge.net Received: from b03cxnp07028.gho.boulder.ibm.com (b03cxnp07028.gho.boulder.ibm.com [9.17.130.15]) by d03dlp02.boulder.ibm.com (Postfix) with ESMTP id 641E63E40030 for ; Fri, 19 Feb 2016 05:42:13 -0700 (MST) Received: from d03av03.boulder.ibm.com (d03av03.boulder.ibm.com [9.17.195.169]) by b03cxnp07028.gho.boulder.ibm.com (8.14.9/8.14.9/NCO v10.0) with ESMTP id u1JCgDke30474330 for ; Fri, 19 Feb 2016 05:42:13 -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 u1JCgCPm029038 for ; Fri, 19 Feb 2016 05:42:13 -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 u1JCgALG028880; Fri, 19 Feb 2016 05:42:12 -0700 From: Stefan Berger To: tpmdd-devel@lists.sourceforge.net Date: Fri, 19 Feb 2016 07:42:00 -0500 Message-Id: <1455885728-10315-4-git-send-email-stefanb@linux.vnet.ibm.com> X-Mailer: git-send-email 2.4.3 In-Reply-To: <1455885728-10315-1-git-send-email-stefanb@linux.vnet.ibm.com> References: <1455885728-10315-1-git-send-email-stefanb@linux.vnet.ibm.com> X-TM-AS-MML: disable X-Content-Scanned: Fidelis XPS MAILER x-cbid: 16021912-0029-0000-0000-000010A63F54 X-Spam-Score: -0.0 (/) X-Spam-Report: Spam Filtering performed by mx.sourceforge.net. See http://spamassassin.org/tag/ for more details. -0.0 RP_MATCHES_RCVD Envelope sender domain matches handover relay domain 0.0 AWL AWL: Adjusted score from AWL reputation of From: address X-Headers-End: 1aWkOA-0005Pv-5N Subject: [tpmdd-devel] [PATCH v3 03/11] 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 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 --- drivers/char/tpm/tpm-chip.c | 16 ++++++++++------ 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 | 4 ++-- 6 files changed, 15 insertions(+), 12 deletions(-) diff --git a/drivers/char/tpm/tpm-chip.c b/drivers/char/tpm/tpm-chip.c index 5ed9bed..5df0149 100644 --- a/drivers/char/tpm/tpm-chip.c +++ b/drivers/char/tpm/tpm-chip.c @@ -111,8 +111,6 @@ 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); - dev_set_drvdata(dev, chip); chip->dev.class = tpm_class; @@ -127,7 +125,9 @@ 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); + err = dev_set_name(&chip->dev, "tpm%d", chip->dev_num); + if (err) + goto out; device_initialize(&chip->dev); @@ -142,6 +142,10 @@ struct tpm_chip *tpmm_chip_alloc(struct device *dev, } return chip; + +out: + put_device(&chip->dev); + return ERR_PTR(err); } EXPORT_SYMBOL_GPL(tpmm_chip_alloc); @@ -153,7 +157,7 @@ static int tpm_dev_add_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); device_unregister(&chip->dev); @@ -164,7 +168,7 @@ static int tpm_dev_add_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); return rc; @@ -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 1ce6547..31d9a8e 100644 --- a/drivers/char/tpm/tpm.h +++ b/drivers/char/tpm/tpm.h @@ -178,7 +178,6 @@ 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 bd72fb0..49e5097 100644 --- a/drivers/char/tpm/tpm_eventlog.c +++ b/drivers/char/tpm/tpm_eventlog.c @@ -397,7 +397,7 @@ 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 0b5fc41..37f3d44 100644 --- a/drivers/char/tpm/tpm_tis.c +++ b/drivers/char/tpm/tpm_tis.c @@ -765,7 +765,7 @@ static int tpm_tis_init(struct device *dev, struct tpm_info *tpm_info, TPM_INT_VECTOR(chip->vendor.locality)); if (devm_request_irq (dev, i, tis_int_probe, IRQF_SHARED, - chip->devname, chip) != 0) { + dev_name(&chip->dev), chip) != 0) { dev_info(&chip->dev, "Unable to request irq: %d for probe\n", i); @@ -817,7 +817,7 @@ static int tpm_tis_init(struct device *dev, struct tpm_info *tpm_info, TPM_INT_VECTOR(chip->vendor.locality)); if (devm_request_irq (dev, chip->vendor.irq, tis_int_handler, IRQF_SHARED, - chip->devname, chip) != 0) { + dev_name(&chip->dev), chip) != 0) { dev_info(&chip->dev, "Unable to request irq: %d for use\n", chip->vendor.irq);