Update Linux to v5.10.109
Sourced from [1]
[1] https://cdn.kernel.org/pub/linux/kernel/v5.x/linux-5.10.109.tar.xz
Change-Id: I19bca9fc6762d4e63bcf3e4cba88bbe560d9c76c
Signed-off-by: Olivier Deprez <olivier.deprez@arm.com>
diff --git a/drivers/usb/class/cdc-acm.c b/drivers/usb/class/cdc-acm.c
index c0604c6..7950d5b 100644
--- a/drivers/usb/class/cdc-acm.c
+++ b/drivers/usb/class/cdc-acm.c
@@ -185,7 +185,7 @@
for (;;) {
wb = &acm->wb[wbn];
if (!wb->use) {
- wb->use = 1;
+ wb->use = true;
wb->len = 0;
return wbn;
}
@@ -203,7 +203,8 @@
n = ACM_NW;
spin_lock_irqsave(&acm->write_lock, flags);
for (i = 0; i < ACM_NW; i++)
- n -= acm->wb[i].use;
+ if(acm->wb[i].use)
+ n--;
spin_unlock_irqrestore(&acm->write_lock, flags);
return n;
}
@@ -213,7 +214,7 @@
*/
static void acm_write_done(struct acm *acm, struct acm_wb *wb)
{
- wb->use = 0;
+ wb->use = false;
acm->transmitting--;
usb_autopm_put_interface_async(acm->control);
}
@@ -339,6 +340,9 @@
acm->iocount.overrun++;
spin_unlock_irqrestore(&acm->read_lock, flags);
+ if (newctrl & ACM_CTRL_BRK)
+ tty_flip_buffer_push(&acm->port);
+
if (difference)
wake_up_all(&acm->wioctl);
@@ -474,11 +478,16 @@
static void acm_process_read_urb(struct acm *acm, struct urb *urb)
{
+ unsigned long flags;
+
if (!urb->actual_length)
return;
+ spin_lock_irqsave(&acm->read_lock, flags);
tty_insert_flip_string(&acm->port, urb->transfer_buffer,
urb->actual_length);
+ spin_unlock_irqrestore(&acm->read_lock, flags);
+
tty_flip_buffer_push(&acm->port);
}
@@ -725,7 +734,8 @@
{
struct acm *acm = container_of(port, struct acm, port);
- acm_release_minor(acm);
+ if (acm->minor != ACM_MINOR_INVALID)
+ acm_release_minor(acm);
usb_put_intf(acm->control);
kfree(acm->country_codes);
kfree(acm);
@@ -754,7 +764,7 @@
if (!urb)
break;
wb = urb->context;
- wb->use = 0;
+ wb->use = false;
usb_autopm_put_interface_async(acm->control);
}
@@ -806,7 +816,7 @@
wb = &acm->wb[wbn];
if (!acm->dev) {
- wb->use = 0;
+ wb->use = false;
spin_unlock_irqrestore(&acm->write_lock, flags);
return -ENODEV;
}
@@ -818,7 +828,7 @@
stat = usb_autopm_get_interface_async(acm->control);
if (stat) {
- wb->use = 0;
+ wb->use = false;
spin_unlock_irqrestore(&acm->write_lock, flags);
return stat;
}
@@ -1200,9 +1210,6 @@
return -EINVAL;
}
- if (!intf->cur_altsetting)
- return -EINVAL;
-
if (!buflen) {
if (intf->cur_altsetting->endpoint &&
intf->cur_altsetting->endpoint->extralen &&
@@ -1225,26 +1232,19 @@
call_intf_num = cmgmd->bDataInterface;
if (!union_header) {
- if (call_intf_num > 0) {
+ if (intf->cur_altsetting->desc.bNumEndpoints == 3) {
+ dev_dbg(&intf->dev, "No union descriptor, assuming single interface\n");
+ combined_interfaces = 1;
+ control_interface = data_interface = intf;
+ goto look_for_collapsed_interface;
+ } else if (call_intf_num > 0) {
dev_dbg(&intf->dev, "No union descriptor, using call management descriptor\n");
- /* quirks for Droids MuIn LCD */
- if (quirks & NO_DATA_INTERFACE) {
- data_interface = usb_ifnum_to_if(usb_dev, 0);
- } else {
- data_intf_num = call_intf_num;
- data_interface = usb_ifnum_to_if(usb_dev, data_intf_num);
- }
+ data_intf_num = call_intf_num;
+ data_interface = usb_ifnum_to_if(usb_dev, data_intf_num);
control_interface = intf;
} else {
- if (intf->cur_altsetting->desc.bNumEndpoints != 3) {
- dev_dbg(&intf->dev,"No union descriptor, giving up\n");
- return -ENODEV;
- } else {
- dev_warn(&intf->dev,"No union descriptor, testing for castrated device\n");
- combined_interfaces = 1;
- control_interface = data_interface = intf;
- goto look_for_collapsed_interface;
- }
+ dev_dbg(&intf->dev, "No union descriptor, giving up\n");
+ return -ENODEV;
}
} else {
int class = -1;
@@ -1268,8 +1268,6 @@
dev_dbg(&intf->dev, "no interfaces\n");
return -ENODEV;
}
- if (!data_interface->cur_altsetting || !control_interface->cur_altsetting)
- return -ENODEV;
if (data_intf_num != call_intf_num)
dev_dbg(&intf->dev, "Separate call control interface. That is not fully supported.\n");
@@ -1296,10 +1294,8 @@
skip_normal_probe:
/*workaround for switched interfaces */
- if (data_interface->cur_altsetting->desc.bInterfaceClass
- != CDC_DATA_INTERFACE_TYPE) {
- if (control_interface->cur_altsetting->desc.bInterfaceClass
- == CDC_DATA_INTERFACE_TYPE) {
+ if (data_interface->cur_altsetting->desc.bInterfaceClass != USB_CLASS_CDC_DATA) {
+ if (control_interface->cur_altsetting->desc.bInterfaceClass == USB_CLASS_CDC_DATA) {
dev_dbg(&intf->dev,
"Your device has switched interfaces.\n");
swap(control_interface, data_interface);
@@ -1356,8 +1352,10 @@
usb_get_intf(acm->control); /* undone in destruct() */
minor = acm_alloc_minor(acm);
- if (minor < 0)
+ if (minor < 0) {
+ acm->minor = ACM_MINOR_INVALID;
goto alloc_fail1;
+ }
acm->minor = minor;
acm->dev = usb_dev;
@@ -1909,11 +1907,6 @@
/* NOTE: non-Nokia COMM/ACM/0xff is likely MSFT RNDIS... NOT a modem! */
- /* Support for Droids MuIn LCD */
- { USB_DEVICE(0x04d8, 0x000b),
- .driver_info = NO_DATA_INTERFACE,
- },
-
#if IS_ENABLED(CONFIG_INPUT_IMS_PCU)
{ USB_DEVICE(0x04d8, 0x0082), /* Application mode */
.driver_info = IGNORE_DEVICE,
@@ -1921,6 +1914,12 @@
{ USB_DEVICE(0x04d8, 0x0083), /* Bootloader mode */
.driver_info = IGNORE_DEVICE,
},
+#endif
+
+#if IS_ENABLED(CONFIG_IR_TOY)
+ { USB_DEVICE(0x04d8, 0xfd08),
+ .driver_info = IGNORE_DEVICE,
+ },
{ USB_DEVICE(0x04d8, 0xf58b),
.driver_info = IGNORE_DEVICE,