diff options
Diffstat (limited to 'drivers/hwmon/occ/common.c')
| -rw-r--r-- | drivers/hwmon/occ/common.c | 17 |
1 files changed, 15 insertions, 2 deletions
diff --git a/drivers/hwmon/occ/common.c b/drivers/hwmon/occ/common.c index b91a80abf724..13a6290c8d25 100644 --- a/drivers/hwmon/occ/common.c +++ b/drivers/hwmon/occ/common.c @@ -2,11 +2,13 @@ // Copyright IBM Corp 2019 #include <linux/device.h> +#include <linux/export.h> #include <linux/hwmon.h> #include <linux/hwmon-sysfs.h> #include <linux/jiffies.h> #include <linux/kernel.h> #include <linux/math64.h> +#include <linux/module.h> #include <linux/mutex.h> #include <linux/sysfs.h> #include <asm/unaligned.h> @@ -139,6 +141,7 @@ static int occ_poll(struct occ *occ) /* mutex should already be locked if necessary */ rc = occ->send_cmd(occ, cmd); if (rc) { + occ->last_error = rc; if (occ->error_count++ > OCC_ERROR_COUNT_THRESHOLD) occ->error = rc; @@ -147,6 +150,7 @@ static int occ_poll(struct occ *occ) /* clear error since communication was successful */ occ->error_count = 0; + occ->last_error = 0; occ->error = 0; /* check for safe state */ @@ -208,6 +212,8 @@ int occ_update_response(struct occ *occ) if (time_after(jiffies, occ->last_update + OCC_UPDATE_FREQUENCY)) { rc = occ_poll(occ); occ->last_update = jiffies; + } else { + rc = occ->last_error; } mutex_unlock(&occ->lock); @@ -890,6 +896,8 @@ static int occ_setup_sensor_attrs(struct occ *occ) s++; } } + + s = (sensors->power.num_sensors * 4) + 1; } else { for (i = 0; i < sensors->power.num_sensors; ++i) { s = i + 1; @@ -918,11 +926,11 @@ static int occ_setup_sensor_attrs(struct occ *occ) show_power, NULL, 3, i); attr++; } - } - if (sensors->caps.num_sensors >= 1) { s = sensors->power.num_sensors + 1; + } + if (sensors->caps.num_sensors >= 1) { snprintf(attr->name, sizeof(attr->name), "power%d_label", s); attr->sensor = OCC_INIT_ATTR(attr->name, 0444, show_caps, NULL, 0, 0); @@ -1097,3 +1105,8 @@ int occ_setup(struct occ *occ, const char *name) return rc; } +EXPORT_SYMBOL_GPL(occ_setup); + +MODULE_AUTHOR("Eddie James <eajames@linux.ibm.com>"); +MODULE_DESCRIPTION("Common OCC hwmon code"); +MODULE_LICENSE("GPL"); |