diff options
Diffstat (limited to 'drivers/platform/mellanox/mlxreg-hotplug.c')
| -rw-r--r-- | drivers/platform/mellanox/mlxreg-hotplug.c | 31 |
1 files changed, 7 insertions, 24 deletions
diff --git a/drivers/platform/mellanox/mlxreg-hotplug.c b/drivers/platform/mellanox/mlxreg-hotplug.c index b7dcc64cd238..d246772aafd6 100644 --- a/drivers/platform/mellanox/mlxreg-hotplug.c +++ b/drivers/platform/mellanox/mlxreg-hotplug.c @@ -12,7 +12,6 @@ #include <linux/i2c.h> #include <linux/interrupt.h> #include <linux/module.h> -#include <linux/of_device.h> #include <linux/platform_data/mlxreg.h> #include <linux/platform_device.h> #include <linux/spinlock.h> @@ -113,7 +112,7 @@ static int mlxreg_hotplug_device_create(struct mlxreg_hotplug_priv_data *priv, * Return if adapter number is negative. It could be in case hotplug * event is not associated with hotplug device. */ - if (data->hpdev.nr < 0) + if (data->hpdev.nr < 0 && data->hpdev.action != MLXREG_HOTPLUG_DEVICE_NO_ACTION) return 0; pdata = dev_get_platdata(&priv->pdev->dev); @@ -233,7 +232,7 @@ static ssize_t mlxreg_hotplug_attr_show(struct device *dev, regval = !!(regval & data->mask); } - return sprintf(buf, "%u\n", regval); + return sysfs_emit(buf, "%u\n", regval); } #define PRIV_ATTR(i) priv->mlxreg_hotplug_attr[i] @@ -263,7 +262,7 @@ static int mlxreg_hotplug_attr_init(struct mlxreg_hotplug_priv_data *priv) item = pdata->items; /* Go over all kinds of items - psu, pwr, fan. */ - for (i = 0; i < pdata->counter; i++, item++) { + for (i = 0; i < pdata->count; i++, item++) { if (item->capability) { /* * Read group capability register to get actual number @@ -349,20 +348,6 @@ mlxreg_hotplug_work_helper(struct mlxreg_hotplug_priv_data *priv, u32 regval, bit; int ret; - /* - * Validate if item related to received signal type is valid. - * It should never happen, excepted the situation when some - * piece of hardware is broken. In such situation just produce - * error message and return. Caller must continue to handle the - * signals from other devices if any. - */ - if (unlikely(!item)) { - dev_err(priv->dev, "False signal: at offset:mask 0x%02x:0x%02x.\n", - item->reg, item->mask); - - return; - } - /* Mask event. */ ret = regmap_write(priv->regmap, item->reg + MLXREG_HOTPLUG_MASK_OFF, 0); @@ -556,7 +541,7 @@ static void mlxreg_hotplug_work_handler(struct work_struct *work) goto unmask_event; /* Handle topology and health configuration changes. */ - for (i = 0; i < pdata->counter; i++, item++) { + for (i = 0; i < pdata->count; i++, item++) { if (aggr_asserted & item->aggr_mask) { if (item->health) mlxreg_hotplug_health_work_helper(priv, item); @@ -605,7 +590,7 @@ static int mlxreg_hotplug_set_irq(struct mlxreg_hotplug_priv_data *priv) pdata = dev_get_platdata(&priv->pdev->dev); item = pdata->items; - for (i = 0; i < pdata->counter; i++, item++) { + for (i = 0; i < pdata->count; i++, item++) { /* Clear group presense event. */ ret = regmap_write(priv->regmap, item->reg + MLXREG_HOTPLUG_EVENT_OFF, 0); @@ -689,7 +674,7 @@ static void mlxreg_hotplug_unset_irq(struct mlxreg_hotplug_priv_data *priv) 0); /* Clear topology configurations. */ - for (i = 0; i < pdata->counter; i++, item++) { + for (i = 0; i < pdata->count; i++, item++) { data = item->data; /* Mask group presense event. */ regmap_write(priv->regmap, data->reg + MLXREG_HOTPLUG_MASK_OFF, @@ -787,15 +772,13 @@ static int mlxreg_hotplug_probe(struct platform_device *pdev) return 0; } -static int mlxreg_hotplug_remove(struct platform_device *pdev) +static void mlxreg_hotplug_remove(struct platform_device *pdev) { struct mlxreg_hotplug_priv_data *priv = dev_get_drvdata(&pdev->dev); /* Clean interrupts setup. */ mlxreg_hotplug_unset_irq(priv); devm_free_irq(&pdev->dev, priv->irq, priv); - - return 0; } static struct platform_driver mlxreg_hotplug_driver = { |