From a25126fc32890a2a03ba5ddd1189aa8a4bcf4591 Mon Sep 17 00:00:00 2001 From: Eddie James Date: Tue, 15 Feb 2022 09:10:20 -0600 Subject: hwmon: (occ) Add sysfs entry for OCC mode BMC control applications need to check the OCC mode returned by the OCC poll response, so export it in sysfs with the other OCC-specific data. Signed-off-by: Eddie James Reviewed-by: Joel Stanley Link: https://lore.kernel.org/r/20220215151022.7498-3-eajames@linux.ibm.com Signed-off-by: Guenter Roeck --- drivers/hwmon/occ/common.h | 1 + drivers/hwmon/occ/sysfs.c | 11 +++++++++++ 2 files changed, 12 insertions(+) (limited to 'drivers') diff --git a/drivers/hwmon/occ/common.h b/drivers/hwmon/occ/common.h index a88c66d36e38..2dd4a4d240c0 100644 --- a/drivers/hwmon/occ/common.h +++ b/drivers/hwmon/occ/common.h @@ -120,6 +120,7 @@ struct occ { u8 prev_ext_stat; u8 prev_occs_present; u8 prev_ips_status; + u8 prev_mode; }; int occ_setup(struct occ *occ, const char *name); diff --git a/drivers/hwmon/occ/sysfs.c b/drivers/hwmon/occ/sysfs.c index 6dc69c9aa4c2..88f655887c95 100644 --- a/drivers/hwmon/occ/sysfs.c +++ b/drivers/hwmon/occ/sysfs.c @@ -66,6 +66,9 @@ static ssize_t occ_sysfs_show(struct device *dev, case 8: val = header->ips_status; break; + case 9: + val = header->mode; + break; default: return -EINVAL; } @@ -92,6 +95,7 @@ static SENSOR_DEVICE_ATTR(occ_quick_pwr_drop, 0444, occ_sysfs_show, NULL, 5); static SENSOR_DEVICE_ATTR(occ_state, 0444, occ_sysfs_show, NULL, 6); static SENSOR_DEVICE_ATTR(occs_present, 0444, occ_sysfs_show, NULL, 7); static SENSOR_DEVICE_ATTR(occ_ips_status, 0444, occ_sysfs_show, NULL, 8); +static SENSOR_DEVICE_ATTR(occ_mode, 0444, occ_sysfs_show, NULL, 9); static DEVICE_ATTR_RO(occ_error); static struct attribute *occ_attributes[] = { @@ -104,6 +108,7 @@ static struct attribute *occ_attributes[] = { &sensor_dev_attr_occ_state.dev_attr.attr, &sensor_dev_attr_occs_present.dev_attr.attr, &sensor_dev_attr_occ_ips_status.dev_attr.attr, + &sensor_dev_attr_occ_mode.dev_attr.attr, &dev_attr_occ_error.attr, NULL }; @@ -172,6 +177,11 @@ void occ_sysfs_poll_done(struct occ *occ) sysfs_notify(&occ->bus_dev->kobj, NULL, name); } + if (header->mode != occ->prev_mode) { + name = sensor_dev_attr_occ_mode.dev_attr.attr.name; + sysfs_notify(&occ->bus_dev->kobj, NULL, name); + } + if (occ->error && occ->error != occ->prev_error) { name = dev_attr_occ_error.attr.name; sysfs_notify(&occ->bus_dev->kobj, NULL, name); @@ -185,6 +195,7 @@ done: occ->prev_ext_stat = header->ext_status; occ->prev_occs_present = header->occs_present; occ->prev_ips_status = header->ips_status; + occ->prev_mode = header->mode; } int occ_setup_sysfs(struct occ *occ) -- cgit v1.2.3