diff options
Diffstat (limited to 'drivers/hwmon/gsc-hwmon.c')
| -rw-r--r-- | drivers/hwmon/gsc-hwmon.c | 36 |
1 files changed, 13 insertions, 23 deletions
diff --git a/drivers/hwmon/gsc-hwmon.c b/drivers/hwmon/gsc-hwmon.c index 1fe37418ff46..105b9f9dbec3 100644 --- a/drivers/hwmon/gsc-hwmon.c +++ b/drivers/hwmon/gsc-hwmon.c @@ -39,7 +39,7 @@ struct gsc_hwmon_data { struct hwmon_chip_info chip; }; -static struct regmap_bus gsc_hwmon_regmap_bus = { +static const struct regmap_bus gsc_hwmon_regmap_bus = { .reg_read = gsc_read, .reg_write = gsc_write, }; @@ -47,7 +47,6 @@ static struct regmap_bus gsc_hwmon_regmap_bus = { static const struct regmap_config gsc_hwmon_regmap_config = { .reg_bits = 8, .val_bits = 8, - .cache_type = REGCACHE_NONE, }; static ssize_t pwm_auto_point_temp_show(struct device *dev, @@ -65,7 +64,7 @@ static ssize_t pwm_auto_point_temp_show(struct device *dev, return ret; ret = regs[0] | regs[1] << 8; - return sprintf(buf, "%d\n", ret * 10); + return sprintf(buf, "%d\n", ret * 100); } static ssize_t pwm_auto_point_temp_store(struct device *dev, @@ -82,8 +81,8 @@ static ssize_t pwm_auto_point_temp_store(struct device *dev, if (kstrtol(buf, 10, &temp)) return -EINVAL; - temp = clamp_val(temp, 0, 10000); - temp = DIV_ROUND_CLOSEST(temp, 10); + temp = clamp_val(temp, 0, 100000); + temp = DIV_ROUND_CLOSEST(temp, 100); regs[0] = temp & 0xff; regs[1] = (temp >> 8) & 0xff; @@ -231,15 +230,8 @@ gsc_hwmon_read_string(struct device *dev, enum hwmon_sensor_types type, return 0; } -static umode_t -gsc_hwmon_is_visible(const void *_data, enum hwmon_sensor_types type, u32 attr, - int ch) -{ - return 0444; -} - static const struct hwmon_ops gsc_hwmon_ops = { - .is_visible = gsc_hwmon_is_visible, + .visible = 0444, .read = gsc_hwmon_read, .read_string = gsc_hwmon_read_string, }; @@ -249,7 +241,6 @@ gsc_hwmon_get_devtree_pdata(struct device *dev) { struct gsc_hwmon_platform_data *pdata; struct gsc_hwmon_channel *ch; - struct fwnode_handle *child; struct device_node *fan; int nchannels; @@ -257,42 +248,40 @@ gsc_hwmon_get_devtree_pdata(struct device *dev) if (nchannels == 0) return ERR_PTR(-ENODEV); - pdata = devm_kzalloc(dev, - sizeof(*pdata) + nchannels * sizeof(*ch), + pdata = devm_kzalloc(dev, struct_size(pdata, channels, nchannels), GFP_KERNEL); if (!pdata) return ERR_PTR(-ENOMEM); - ch = (struct gsc_hwmon_channel *)(pdata + 1); - pdata->channels = ch; pdata->nchannels = nchannels; /* fan controller base address */ + of_node_get(dev->parent->of_node); fan = of_find_compatible_node(dev->parent->of_node, NULL, "gw,gsc-fan"); if (fan && of_property_read_u32(fan, "reg", &pdata->fan_base)) { + of_node_put(fan); dev_err(dev, "fan node without base\n"); return ERR_PTR(-EINVAL); } + of_node_put(fan); + + ch = pdata->channels; /* allocate structures for channels and count instances of each type */ - device_for_each_child_node(dev, child) { + device_for_each_child_node_scoped(dev, child) { if (fwnode_property_read_string(child, "label", &ch->name)) { dev_err(dev, "channel without label\n"); - fwnode_handle_put(child); return ERR_PTR(-EINVAL); } if (fwnode_property_read_u32(child, "reg", &ch->reg)) { dev_err(dev, "channel without reg\n"); - fwnode_handle_put(child); return ERR_PTR(-EINVAL); } if (fwnode_property_read_u32(child, "gw,mode", &ch->mode)) { dev_err(dev, "channel without mode\n"); - fwnode_handle_put(child); return ERR_PTR(-EINVAL); } if (ch->mode > mode_max) { dev_err(dev, "invalid channel mode\n"); - fwnode_handle_put(child); return ERR_PTR(-EINVAL); } @@ -403,6 +392,7 @@ static const struct of_device_id gsc_hwmon_of_match[] = { { .compatible = "gw,gsc-adc", }, {} }; +MODULE_DEVICE_TABLE(of, gsc_hwmon_of_match); static struct platform_driver gsc_hwmon_driver = { .driver = { |