diff options
Diffstat (limited to 'drivers/s390/char/sclp_cpi_sys.c')
| -rw-r--r-- | drivers/s390/char/sclp_cpi_sys.c | 20 |
1 files changed, 9 insertions, 11 deletions
diff --git a/drivers/s390/char/sclp_cpi_sys.c b/drivers/s390/char/sclp_cpi_sys.c index 2acea809e2ac..8e1636bcf8b5 100644 --- a/drivers/s390/char/sclp_cpi_sys.c +++ b/drivers/s390/char/sclp_cpi_sys.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* * SCLP control program identification sysfs interface * @@ -6,8 +7,7 @@ * Michael Ernst <mernst@de.ibm.com> */ -#define KMSG_COMPONENT "sclp_cpi" -#define pr_fmt(fmt) KMSG_COMPONENT ": " fmt +#define pr_fmt(fmt) "sclp_cpi: " fmt #include <linux/kernel.h> #include <linux/init.h> @@ -93,7 +93,7 @@ static struct sclp_req *cpi_prepare_req(void) /* setup SCCB for Control-Program Identification */ sccb->header.length = sizeof(struct cpi_sccb); sccb->cpi_evbuf.header.length = sizeof(struct cpi_evbuf); - sccb->cpi_evbuf.header.type = 0x0b; + sccb->cpi_evbuf.header.type = EVTYP_CTLPROGIDENT; evb = &sccb->cpi_evbuf; /* set system type */ @@ -154,16 +154,14 @@ static int cpi_req(void) wait_for_completion(&completion); if (req->status != SCLP_REQ_DONE) { - pr_warning("request failed (status=0x%02x)\n", - req->status); + pr_warn("request failed (status=0x%02x)\n", req->status); rc = -EIO; goto out_free_req; } response = ((struct cpi_sccb *) req->sccb)->header.response_code; if (response != 0x0020) { - pr_warning("request failed with response code 0x%x\n", - response); + pr_warn("request failed with response code 0x%x\n", response); rc = -EIO; } @@ -224,7 +222,7 @@ static ssize_t system_name_show(struct kobject *kobj, int rc; mutex_lock(&sclp_cpi_mutex); - rc = snprintf(page, PAGE_SIZE, "%s\n", system_name); + rc = sysfs_emit(page, "%s\n", system_name); mutex_unlock(&sclp_cpi_mutex); return rc; } @@ -256,7 +254,7 @@ static ssize_t sysplex_name_show(struct kobject *kobj, int rc; mutex_lock(&sclp_cpi_mutex); - rc = snprintf(page, PAGE_SIZE, "%s\n", sysplex_name); + rc = sysfs_emit(page, "%s\n", sysplex_name); mutex_unlock(&sclp_cpi_mutex); return rc; } @@ -288,7 +286,7 @@ static ssize_t system_type_show(struct kobject *kobj, int rc; mutex_lock(&sclp_cpi_mutex); - rc = snprintf(page, PAGE_SIZE, "%s\n", system_type); + rc = sysfs_emit(page, "%s\n", system_type); mutex_unlock(&sclp_cpi_mutex); return rc; } @@ -322,7 +320,7 @@ static ssize_t system_level_show(struct kobject *kobj, mutex_lock(&sclp_cpi_mutex); level = system_level; mutex_unlock(&sclp_cpi_mutex); - return snprintf(page, PAGE_SIZE, "%#018llx\n", level); + return sysfs_emit(page, "%#018llx\n", level); } static ssize_t system_level_store(struct kobject *kobj, |