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/Kconfig b/drivers/usb/class/Kconfig
index f8a7989..d3f5162 100644
--- a/drivers/usb/class/Kconfig
+++ b/drivers/usb/class/Kconfig
@@ -7,7 +7,7 @@
config USB_ACM
tristate "USB Modem (CDC ACM) support"
depends on TTY
- ---help---
+ help
This driver supports USB modems and ISDN adapters which support the
Communication Device Class Abstract Control Model interface.
Please read <file:Documentation/usb/acm.rst> for details.
@@ -30,7 +30,7 @@
config USB_WDM
tristate "USB Wireless Device Management support"
- ---help---
+ help
This driver supports the WMC Device Management functionality
of cell phones compliant to the CDC WMC specification. You can use
AT commands over this device.
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,
diff --git a/drivers/usb/class/cdc-acm.h b/drivers/usb/class/cdc-acm.h
index b95ff76..3aa7f0a 100644
--- a/drivers/usb/class/cdc-acm.h
+++ b/drivers/usb/class/cdc-acm.h
@@ -22,6 +22,8 @@
#define ACM_TTY_MAJOR 166
#define ACM_TTY_MINORS 256
+#define ACM_MINOR_INVALID ACM_TTY_MINORS
+
/*
* Requests.
*/
@@ -64,12 +66,12 @@
#define ACM_NR 16
struct acm_wb {
- unsigned char *buf;
+ u8 *buf;
dma_addr_t dmah;
- int len;
- int use;
+ unsigned int len;
struct urb *urb;
struct acm *instance;
+ bool use;
};
struct acm_rb {
@@ -130,15 +132,12 @@
unsigned long quirks;
};
-#define CDC_DATA_INTERFACE_TYPE 0x0a
-
/* constants describing various quirks and errors */
#define NO_UNION_NORMAL BIT(0)
#define SINGLE_RX_URB BIT(1)
#define NO_CAP_LINE BIT(2)
-#define NO_DATA_INTERFACE BIT(4)
-#define IGNORE_DEVICE BIT(5)
-#define QUIRK_CONTROL_LINE_STATE BIT(6)
-#define CLEAR_HALT_CONDITIONS BIT(7)
-#define SEND_ZERO_PACKET BIT(8)
-#define DISABLE_ECHO BIT(9)
+#define IGNORE_DEVICE BIT(3)
+#define QUIRK_CONTROL_LINE_STATE BIT(4)
+#define CLEAR_HALT_CONDITIONS BIT(5)
+#define SEND_ZERO_PACKET BIT(6)
+#define DISABLE_ECHO BIT(7)
diff --git a/drivers/usb/class/cdc-wdm.c b/drivers/usb/class/cdc-wdm.c
index de7bb8e..d1e4a73 100644
--- a/drivers/usb/class/cdc-wdm.c
+++ b/drivers/usb/class/cdc-wdm.c
@@ -794,7 +794,7 @@
.release = wdm_release,
.poll = wdm_poll,
.unlocked_ioctl = wdm_ioctl,
- .compat_ioctl = wdm_ioctl,
+ .compat_ioctl = compat_ptr_ioctl,
.llseek = noop_llseek,
};
@@ -1000,7 +1000,8 @@
* @intf: usb interface the subdriver will associate with
* @ep: interrupt endpoint to monitor for notifications
* @bufsize: maximum message size to support for read/write
- *
+ * @manage_power: call-back invoked during open and release to
+ * manage the device's power
* Create WDM usb class character device and associate it with intf
* without binding, allowing another driver to manage the interface.
*
diff --git a/drivers/usb/class/usbtmc.c b/drivers/usb/class/usbtmc.c
index 3922a6f..49f59d5 100644
--- a/drivers/usb/class/usbtmc.c
+++ b/drivers/usb/class/usbtmc.c
@@ -1,5 +1,5 @@
// SPDX-License-Identifier: GPL-2.0+
-/**
+/*
* drivers/usb/class/usbtmc.c - USB Test & Measurement class driver
*
* Copyright (C) 2007 Stefan Kopp, Gechingen, Germany
@@ -1889,6 +1889,7 @@
struct usbtmc_ctrlrequest request;
u8 *buffer = NULL;
int rv;
+ unsigned int is_in, pipe;
unsigned long res;
res = copy_from_user(&request, arg, sizeof(struct usbtmc_ctrlrequest));
@@ -1898,12 +1899,14 @@
if (request.req.wLength > USBTMC_BUFSIZE)
return -EMSGSIZE;
+ is_in = request.req.bRequestType & USB_DIR_IN;
+
if (request.req.wLength) {
buffer = kmalloc(request.req.wLength, GFP_KERNEL);
if (!buffer)
return -ENOMEM;
- if ((request.req.bRequestType & USB_DIR_IN) == 0) {
+ if (!is_in) {
/* Send control data to device */
res = copy_from_user(buffer, request.data,
request.req.wLength);
@@ -1914,8 +1917,12 @@
}
}
+ if (is_in)
+ pipe = usb_rcvctrlpipe(data->usb_dev, 0);
+ else
+ pipe = usb_sndctrlpipe(data->usb_dev, 0);
rv = usb_control_msg(data->usb_dev,
- usb_rcvctrlpipe(data->usb_dev, 0),
+ pipe,
request.req.bRequest,
request.req.bRequestType,
request.req.wValue,
@@ -1927,7 +1934,7 @@
goto exit;
}
- if (rv && (request.req.bRequestType & USB_DIR_IN)) {
+ if (rv && is_in) {
/* Read control data from device */
res = copy_to_user(request.data, buffer, rv);
if (res)
@@ -2217,9 +2224,7 @@
.release = usbtmc_release,
.flush = usbtmc_flush,
.unlocked_ioctl = usbtmc_ioctl,
-#ifdef CONFIG_COMPAT
- .compat_ioctl = usbtmc_ioctl,
-#endif
+ .compat_ioctl = compat_ptr_ioctl,
.fasync = usbtmc_fasync,
.poll = usbtmc_poll,
.llseek = default_llseek,
@@ -2284,7 +2289,7 @@
case -EOVERFLOW:
dev_err(dev, "overflow with length %d, actual length is %d\n",
data->iin_wMaxPacketSize, urb->actual_length);
- /* fall through */
+ fallthrough;
default:
/* urb terminated, clean up */
dev_dbg(dev, "urb terminated, status: %d\n", status);