From mboxrd@z Thu Jan 1 00:00:00 1970 From: Stefan Berger Subject: [PATCH v4 02/10] tpm: Get rid of devname Date: Mon, 29 Feb 2016 12:29:48 -0500 Message-ID: <1456766996-9300-3-git-send-email-stefanb@linux.vnet.ibm.com> References: <1456766996-9300-1-git-send-email-stefanb@linux.vnet.ibm.com> Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Return-path: In-Reply-To: <1456766996-9300-1-git-send-email-stefanb-23VcF4HTsmIX0ybBhKVfKdBPR1lH4CV8@public.gmane.org> List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: tpmdd-devel-bounces-5NWGOfrQmneRv+LV9MX5uipxlwaOVQ5f@public.gmane.org To: tpmdd-devel-5NWGOfrQmneRv+LV9MX5uipxlwaOVQ5f@public.gmane.org List-Id: tpmdd-devel@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 Signed-off-by: Stefan Berger --- 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; -- 2.4.3 ------------------------------------------------------------------------------ Site24x7 APM Insight: Get Deep Visibility into Application Performance APM + Mobile APM + RUM: Monitor 3 App instances at just $35/Month Monitor end-to-end web transactions and take corrective actions now Troubleshoot faster and improve end-user experience. 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