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-rw-r--r--drivers/input/misc/ims-pcu.c2
-rw-r--r--drivers/input/misc/iqs269a.c7
-rw-r--r--drivers/input/misc/nxp-bbnsm-pwrkey.c38
-rw-r--r--drivers/input/misc/uinput.c14
-rw-r--r--drivers/input/misc/wistron_btns.c6
5 files changed, 58 insertions, 9 deletions
diff --git a/drivers/input/misc/ims-pcu.c b/drivers/input/misc/ims-pcu.c
index c086dadb45e3..058f3470b7ae 100644
--- a/drivers/input/misc/ims-pcu.c
+++ b/drivers/input/misc/ims-pcu.c
@@ -1067,7 +1067,7 @@ static ssize_t ims_pcu_attribute_store(struct device *dev,
if (data_len > attr->field_length)
return -EINVAL;
- scoped_cond_guard(mutex, return -EINTR, &pcu->cmd_mutex) {
+ scoped_cond_guard(mutex_intr, return -EINTR, &pcu->cmd_mutex) {
memset(field, 0, attr->field_length);
memcpy(field, buf, data_len);
diff --git a/drivers/input/misc/iqs269a.c b/drivers/input/misc/iqs269a.c
index cd14ff9f57cf..843f8a3f3410 100644
--- a/drivers/input/misc/iqs269a.c
+++ b/drivers/input/misc/iqs269a.c
@@ -811,7 +811,6 @@ static int iqs269_parse_prop(struct iqs269_private *iqs269)
{
struct iqs269_sys_reg *sys_reg = &iqs269->sys_reg;
struct i2c_client *client = iqs269->client;
- struct fwnode_handle *ch_node;
u16 general, misc_a, misc_b;
unsigned int val;
int error;
@@ -1049,12 +1048,10 @@ static int iqs269_parse_prop(struct iqs269_private *iqs269)
sys_reg->event_mask = ~((u8)IQS269_EVENT_MASK_SYS);
- device_for_each_child_node(&client->dev, ch_node) {
+ device_for_each_child_node_scoped(&client->dev, ch_node) {
error = iqs269_parse_chan(iqs269, ch_node);
- if (error) {
- fwnode_handle_put(ch_node);
+ if (error)
return error;
- }
}
/*
diff --git a/drivers/input/misc/nxp-bbnsm-pwrkey.c b/drivers/input/misc/nxp-bbnsm-pwrkey.c
index 1d99206dd3a8..eb4173f9c820 100644
--- a/drivers/input/misc/nxp-bbnsm-pwrkey.c
+++ b/drivers/input/misc/nxp-bbnsm-pwrkey.c
@@ -38,6 +38,7 @@ struct bbnsm_pwrkey {
int irq;
int keycode;
int keystate; /* 1:pressed */
+ bool suspended;
struct timer_list check_timer;
struct input_dev *input;
};
@@ -70,6 +71,7 @@ static irqreturn_t bbnsm_pwrkey_interrupt(int irq, void *dev_id)
{
struct platform_device *pdev = dev_id;
struct bbnsm_pwrkey *bbnsm = platform_get_drvdata(pdev);
+ struct input_dev *input = bbnsm->input;
u32 event;
regmap_read(bbnsm->regmap, BBNSM_EVENTS, &event);
@@ -78,6 +80,18 @@ static irqreturn_t bbnsm_pwrkey_interrupt(int irq, void *dev_id)
pm_wakeup_event(bbnsm->input->dev.parent, 0);
+ /*
+ * Directly report key event after resume to make sure key press
+ * event is never missed.
+ */
+ if (bbnsm->suspended) {
+ bbnsm->keystate = 1;
+ input_event(input, EV_KEY, bbnsm->keycode, 1);
+ input_sync(input);
+ /* Fire at most once per suspend/resume cycle */
+ bbnsm->suspended = false;
+ }
+
mod_timer(&bbnsm->check_timer,
jiffies + msecs_to_jiffies(DEBOUNCE_TIME));
@@ -173,6 +187,29 @@ static int bbnsm_pwrkey_probe(struct platform_device *pdev)
return 0;
}
+static int __maybe_unused bbnsm_pwrkey_suspend(struct device *dev)
+{
+ struct platform_device *pdev = to_platform_device(dev);
+ struct bbnsm_pwrkey *bbnsm = platform_get_drvdata(pdev);
+
+ bbnsm->suspended = true;
+
+ return 0;
+}
+
+static int __maybe_unused bbnsm_pwrkey_resume(struct device *dev)
+{
+ struct platform_device *pdev = to_platform_device(dev);
+ struct bbnsm_pwrkey *bbnsm = platform_get_drvdata(pdev);
+
+ bbnsm->suspended = false;
+
+ return 0;
+}
+
+static SIMPLE_DEV_PM_OPS(bbnsm_pwrkey_pm_ops, bbnsm_pwrkey_suspend,
+ bbnsm_pwrkey_resume);
+
static const struct of_device_id bbnsm_pwrkey_ids[] = {
{ .compatible = "nxp,imx93-bbnsm-pwrkey" },
{ /* sentinel */ }
@@ -182,6 +219,7 @@ MODULE_DEVICE_TABLE(of, bbnsm_pwrkey_ids);
static struct platform_driver bbnsm_pwrkey_driver = {
.driver = {
.name = "bbnsm_pwrkey",
+ .pm = &bbnsm_pwrkey_pm_ops,
.of_match_table = bbnsm_pwrkey_ids,
},
.probe = bbnsm_pwrkey_probe,
diff --git a/drivers/input/misc/uinput.c b/drivers/input/misc/uinput.c
index d23f3225b00f..445856c9127a 100644
--- a/drivers/input/misc/uinput.c
+++ b/drivers/input/misc/uinput.c
@@ -417,6 +417,20 @@ static int uinput_validate_absinfo(struct input_dev *dev, unsigned int code,
return -EINVAL;
}
+ /*
+ * Limit number of contacts to a reasonable value (100). This
+ * ensures that we need less than 2 pages for struct input_mt
+ * (we are not using in-kernel slot assignment so not going to
+ * allocate memory for the "red" table), and we should have no
+ * trouble getting this much memory.
+ */
+ if (code == ABS_MT_SLOT && max > 99) {
+ printk(KERN_DEBUG
+ "%s: unreasonably large number of slots requested: %d\n",
+ UINPUT_NAME, max);
+ return -EINVAL;
+ }
+
return 0;
}
diff --git a/drivers/input/misc/wistron_btns.c b/drivers/input/misc/wistron_btns.c
index 5c4956678cd0..5a64557920fa 100644
--- a/drivers/input/misc/wistron_btns.c
+++ b/drivers/input/misc/wistron_btns.c
@@ -990,8 +990,8 @@ static int __init copy_keymap(void)
for (key = keymap; key->type != KE_END; key++)
length++;
- new_keymap = kmemdup(keymap, length * sizeof(struct key_entry),
- GFP_KERNEL);
+ new_keymap = kmemdup_array(keymap, length, sizeof(struct key_entry),
+ GFP_KERNEL);
if (!new_keymap)
return -ENOMEM;
@@ -1075,7 +1075,7 @@ static void wistron_led_init(struct device *parent)
}
if (leds_present & FE_MAIL_LED) {
- /* bios_get_default_setting(MAIL) always retuns 0, so just turn the led off */
+ /* bios_get_default_setting(MAIL) always returns 0, so just turn the led off */
wistron_mail_led.brightness = LED_OFF;
if (led_classdev_register(parent, &wistron_mail_led))
leds_present &= ~FE_MAIL_LED;