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-rw-r--r--Documentation/usb/usb-serial.txt9
-rw-r--r--drivers/usb/serial/cp210x.c421
-rw-r--r--drivers/usb/serial/cyberjack.c17
-rw-r--r--drivers/usb/serial/digi_acceleport.c35
-rw-r--r--drivers/usb/serial/io_edgeport.c17
-rw-r--r--drivers/usb/serial/io_ti.c5
-rw-r--r--drivers/usb/serial/ir-usb.c2
-rw-r--r--drivers/usb/serial/iuu_phoenix.c5
-rw-r--r--drivers/usb/serial/kl5kusb105.c1
-rw-r--r--drivers/usb/serial/kl5kusb105.h3
-rw-r--r--drivers/usb/serial/kobil_sct.c24
-rw-r--r--drivers/usb/serial/mos7720.c14
-rw-r--r--drivers/usb/serial/mos7840.c5
-rw-r--r--drivers/usb/serial/quatech2.c7
-rw-r--r--drivers/usb/serial/sierra.c13
-rw-r--r--drivers/usb/serial/ssu100.c2
-rw-r--r--drivers/usb/serial/symbolserial.c5
-rw-r--r--drivers/usb/serial/ti_usb_3410_5052.c9
-rw-r--r--drivers/usb/serial/usb_wwan.c5
19 files changed, 431 insertions, 168 deletions
diff --git a/Documentation/usb/usb-serial.txt b/Documentation/usb/usb-serial.txt
index 349f3104fa4f..ab100d6ee436 100644
--- a/Documentation/usb/usb-serial.txt
+++ b/Documentation/usb/usb-serial.txt
@@ -418,15 +418,6 @@ Current status:
why it is wise to cut down on the rate used is wise for large
transfers until this is settled.
-Options supported:
- If this driver is compiled as a module you can pass the following
- options to it:
- debug - extra verbose debugging info
- (default: 0; nonzero enables)
- use_lowlatency - use low_latency flag to speed up tty layer
- when reading from the device.
- (default: 0; nonzero enables)
-
See http://www.uuhaus.de/linux/palmconnect.html for up-to-date
information on this driver.
diff --git a/drivers/usb/serial/cp210x.c b/drivers/usb/serial/cp210x.c
index 626a29d9aa58..c0777a374a88 100644
--- a/drivers/usb/serial/cp210x.c
+++ b/drivers/usb/serial/cp210x.c
@@ -239,11 +239,14 @@ MODULE_DEVICE_TABLE(usb, id_table);
struct cp210x_serial_private {
#ifdef CONFIG_GPIOLIB
struct gpio_chip gc;
- u8 config;
- u8 gpio_mode;
bool gpio_registered;
+ u8 gpio_pushpull;
+ u8 gpio_altfunc;
+ u8 gpio_input;
#endif
u8 partnum;
+ speed_t max_speed;
+ bool use_actual_rate;
};
struct cp210x_port_private {
@@ -356,6 +359,7 @@ static struct usb_serial_driver * const serial_drivers[] = {
#define CONTROL_WRITE_RTS 0x0200
/* CP210X_VENDOR_SPECIFIC values */
+#define CP210X_READ_2NCONFIG 0x000E
#define CP210X_READ_LATCH 0x00C2
#define CP210X_GET_PARTNUM 0x370B
#define CP210X_GET_PORTCONFIG 0x370C
@@ -369,6 +373,9 @@ static struct usb_serial_driver * const serial_drivers[] = {
#define CP210X_PARTNUM_CP2104 0x04
#define CP210X_PARTNUM_CP2105 0x05
#define CP210X_PARTNUM_CP2108 0x08
+#define CP210X_PARTNUM_CP2102N_QFN28 0x20
+#define CP210X_PARTNUM_CP2102N_QFN24 0x21
+#define CP210X_PARTNUM_CP2102N_QFN20 0x22
#define CP210X_PARTNUM_UNKNOWN 0xFF
/* CP210X_GET_COMM_STATUS returns these 0x13 bytes */
@@ -462,6 +469,12 @@ struct cp210x_config {
#define CP2105_GPIO1_RXLED_MODE BIT(1)
#define CP2105_GPIO1_RS485_MODE BIT(2)
+/* CP2102N configuration array indices */
+#define CP210X_2NCONFIG_CONFIG_VERSION_IDX 2
+#define CP210X_2NCONFIG_GPIO_MODE_IDX 581
+#define CP210X_2NCONFIG_GPIO_RSTLATCH_IDX 587
+#define CP210X_2NCONFIG_GPIO_CONTROL_IDX 600
+
/* CP210X_VENDOR_SPECIFIC, CP210X_WRITE_LATCH call writes these 0x2 bytes. */
struct cp210x_gpio_write {
u8 mask;
@@ -767,48 +780,6 @@ static int cp210x_get_line_ctl(struct usb_serial_port *port, u16 *ctl)
return 0;
}
-/*
- * cp210x_quantise_baudrate
- * Quantises the baud rate as per AN205 Table 1
- */
-static unsigned int cp210x_quantise_baudrate(unsigned int baud)
-{
- if (baud <= 300)
- baud = 300;
- else if (baud <= 600) baud = 600;
- else if (baud <= 1200) baud = 1200;
- else if (baud <= 1800) baud = 1800;
- else if (baud <= 2400) baud = 2400;
- else if (baud <= 4000) baud = 4000;
- else if (baud <= 4803) baud = 4800;
- else if (baud <= 7207) baud = 7200;
- else if (baud <= 9612) baud = 9600;
- else if (baud <= 14428) baud = 14400;
- else if (baud <= 16062) baud = 16000;
- else if (baud <= 19250) baud = 19200;
- else if (baud <= 28912) baud = 28800;
- else if (baud <= 38601) baud = 38400;
- else if (baud <= 51558) baud = 51200;
- else if (baud <= 56280) baud = 56000;
- else if (baud <= 58053) baud = 57600;
- else if (baud <= 64111) baud = 64000;
- else if (baud <= 77608) baud = 76800;
- else if (baud <= 117028) baud = 115200;
- else if (baud <= 129347) baud = 128000;
- else if (baud <= 156868) baud = 153600;
- else if (baud <= 237832) baud = 230400;
- else if (baud <= 254234) baud = 250000;
- else if (baud <= 273066) baud = 256000;
- else if (baud <= 491520) baud = 460800;
- else if (baud <= 567138) baud = 500000;
- else if (baud <= 670254) baud = 576000;
- else if (baud < 1000000)
- baud = 921600;
- else if (baud > 2000000)
- baud = 2000000;
- return baud;
-}
-
static int cp210x_open(struct tty_struct *tty, struct usb_serial_port *port)
{
int result;
@@ -1028,6 +999,75 @@ static void cp210x_get_termios_port(struct usb_serial_port *port,
*cflagp = cflag;
}
+struct cp210x_rate {
+ speed_t rate;
+ speed_t high;
+};
+
+static const struct cp210x_rate cp210x_an205_table1[] = {
+ { 300, 300 },
+ { 600, 600 },
+ { 1200, 1200 },
+ { 1800, 1800 },
+ { 2400, 2400 },
+ { 4000, 4000 },
+ { 4800, 4803 },
+ { 7200, 7207 },
+ { 9600, 9612 },
+ { 14400, 14428 },
+ { 16000, 16062 },
+ { 19200, 19250 },
+ { 28800, 28912 },
+ { 38400, 38601 },
+ { 51200, 51558 },
+ { 56000, 56280 },
+ { 57600, 58053 },
+ { 64000, 64111 },
+ { 76800, 77608 },
+ { 115200, 117028 },
+ { 128000, 129347 },
+ { 153600, 156868 },
+ { 230400, 237832 },
+ { 250000, 254234 },
+ { 256000, 273066 },
+ { 460800, 491520 },
+ { 500000, 567138 },
+ { 576000, 670254 },
+ { 921600, UINT_MAX }
+};
+
+/*
+ * Quantises the baud rate as per AN205 Table 1
+ */
+static speed_t cp210x_get_an205_rate(speed_t baud)
+{
+ int i;
+
+ for (i = 0; i < ARRAY_SIZE(cp210x_an205_table1); ++i) {
+ if (baud <= cp210x_an205_table1[i].high)
+ break;
+ }
+
+ return cp210x_an205_table1[i].rate;
+}
+
+static speed_t cp210x_get_actual_rate(struct usb_serial *serial, speed_t baud)
+{
+ struct cp210x_serial_private *priv = usb_get_serial_data(serial);
+ unsigned int prescale = 1;
+ unsigned int div;
+
+ baud = clamp(baud, 300u, priv->max_speed);
+
+ if (baud <= 365)
+ prescale = 4;
+
+ div = DIV_ROUND_CLOSEST(48000000, 2 * prescale * baud);
+ baud = 48000000 / (2 * prescale * div);
+
+ return baud;
+}
+
/*
* CP2101 supports the following baud rates:
*
@@ -1057,16 +1097,24 @@ static void cp210x_get_termios_port(struct usb_serial_port *port,
static void cp210x_change_speed(struct tty_struct *tty,
struct usb_serial_port *port, struct ktermios *old_termios)
{
+ struct usb_serial *serial = port->serial;
+ struct cp210x_serial_private *priv = usb_get_serial_data(serial);
u32 baud;
baud = tty->termios.c_ospeed;
- /* This maps the requested rate to a rate valid on cp2102 or cp2103,
- * or to an arbitrary rate in [1M,2M].
+ /*
+ * This maps the requested rate to the actual rate, a valid rate on
+ * cp2102 or cp2103, or to an arbitrary rate in [1M, max_speed].
*
* NOTE: B0 is not implemented.
*/
- baud = cp210x_quantise_baudrate(baud);
+ if (priv->use_actual_rate)
+ baud = cp210x_get_actual_rate(serial, baud);
+ else if (baud < 1000000)
+ baud = cp210x_get_an205_rate(baud);
+ else if (baud > priv->max_speed)
+ baud = priv->max_speed;
dev_dbg(&port->dev, "%s - setting baud rate to %u\n", __func__, baud);
if (cp210x_write_u32_reg(port, CP210X_SET_BAUDRATE, baud)) {
@@ -1288,17 +1336,8 @@ static int cp210x_gpio_request(struct gpio_chip *gc, unsigned int offset)
struct usb_serial *serial = gpiochip_get_data(gc);
struct cp210x_serial_private *priv = usb_get_serial_data(serial);
- switch (offset) {
- case 0:
- if (priv->config & CP2105_GPIO0_TXLED_MODE)
- return -ENODEV;
- break;
- case 1:
- if (priv->config & (CP2105_GPIO1_RXLED_MODE |
- CP2105_GPIO1_RS485_MODE))
- return -ENODEV;
- break;
- }
+ if (priv->gpio_altfunc & BIT(offset))
+ return -ENODEV;
return 0;
}
@@ -1306,10 +1345,15 @@ static int cp210x_gpio_request(struct gpio_chip *gc, unsigned int offset)
static int cp210x_gpio_get(struct gpio_chip *gc, unsigned int gpio)
{
struct usb_serial *serial = gpiochip_get_data(gc);
+ struct cp210x_serial_private *priv = usb_get_serial_data(serial);
+ u8 req_type = REQTYPE_DEVICE_TO_HOST;
int result;
u8 buf;
- result = cp210x_read_vendor_block(serial, REQTYPE_INTERFACE_TO_HOST,
+ if (priv->partnum == CP210X_PARTNUM_CP2105)
+ req_type = REQTYPE_INTERFACE_TO_HOST;
+
+ result = cp210x_read_vendor_block(serial, req_type,
CP210X_READ_LATCH, &buf, sizeof(buf));
if (result < 0)
return result;
@@ -1320,7 +1364,9 @@ static int cp210x_gpio_get(struct gpio_chip *gc, unsigned int gpio)
static void cp210x_gpio_set(struct gpio_chip *gc, unsigned int gpio, int value)
{
struct usb_serial *serial = gpiochip_get_data(gc);
+ struct cp210x_serial_private *priv = usb_get_serial_data(serial);
struct cp210x_gpio_write buf;
+ int result;
if (value == 1)
buf.state = BIT(gpio);
@@ -1329,25 +1375,68 @@ static void cp210x_gpio_set(struct gpio_chip *gc, unsigned int gpio, int value)
buf.mask = BIT(gpio);
- cp210x_write_vendor_block(serial, REQTYPE_HOST_TO_INTERFACE,
- CP210X_WRITE_LATCH, &buf, sizeof(buf));
+ if (priv->partnum == CP210X_PARTNUM_CP2105) {
+ result = cp210x_write_vendor_block(serial,
+ REQTYPE_HOST_TO_INTERFACE,
+ CP210X_WRITE_LATCH, &buf,
+ sizeof(buf));
+ } else {
+ u16 wIndex = buf.state << 8 | buf.mask;
+
+ result = usb_control_msg(serial->dev,
+ usb_sndctrlpipe(serial->dev, 0),
+ CP210X_VENDOR_SPECIFIC,
+ REQTYPE_HOST_TO_DEVICE,
+ CP210X_WRITE_LATCH,
+ wIndex,
+ NULL, 0, USB_CTRL_SET_TIMEOUT);
+ }
+
+ if (result < 0) {
+ dev_err(&serial->interface->dev, "failed to set GPIO value: %d\n",
+ result);
+ }
}
static int cp210x_gpio_direction_get(struct gpio_chip *gc, unsigned int gpio)
{
- /* Hardware does not support an input mode */
- return 0;
+ struct usb_serial *serial = gpiochip_get_data(gc);
+ struct cp210x_serial_private *priv = usb_get_serial_data(serial);
+
+ return priv->gpio_input & BIT(gpio);
}
static int cp210x_gpio_direction_input(struct gpio_chip *gc, unsigned int gpio)
{
- /* Hardware does not support an input mode */
- return -ENOTSUPP;
+ struct usb_serial *serial = gpiochip_get_data(gc);
+ struct cp210x_serial_private *priv = usb_get_serial_data(serial);
+
+ if (priv->partnum == CP210X_PARTNUM_CP2105) {
+ /* hardware does not support an input mode */
+ return -ENOTSUPP;
+ }
+
+ /* push-pull pins cannot be changed to be inputs */
+ if (priv->gpio_pushpull & BIT(gpio))
+ return -EINVAL;
+
+ /* make sure to release pin if it is being driven low */
+ cp210x_gpio_set(gc, gpio, 1);
+
+ priv->gpio_input |= BIT(gpio);
+
+ return 0;
}
static int cp210x_gpio_direction_output(struct gpio_chip *gc, unsigned int gpio,
int value)
{
+ struct usb_serial *serial = gpiochip_get_data(gc);
+ struct cp210x_serial_private *priv = usb_get_serial_data(serial);
+
+ priv->gpio_input &= ~BIT(gpio);
+ cp210x_gpio_set(gc, gpio, value);
+
return 0;
}
@@ -1360,11 +1449,11 @@ static int cp210x_gpio_set_config(struct gpio_chip *gc, unsigned int gpio,
/* Succeed only if in correct mode (this can't be set at runtime) */
if ((param == PIN_CONFIG_DRIVE_PUSH_PULL) &&
- (priv->gpio_mode & BIT(gpio)))
+ (priv->gpio_pushpull & BIT(gpio)))
return 0;
if ((param == PIN_CONFIG_DRIVE_OPEN_DRAIN) &&
- !(priv->gpio_mode & BIT(gpio)))
+ !(priv->gpio_pushpull & BIT(gpio)))
return 0;
return -ENOTSUPP;
@@ -1377,12 +1466,13 @@ static int cp210x_gpio_set_config(struct gpio_chip *gc, unsigned int gpio,
* this driver that provide GPIO do so in a way that does not impact other
* signals and are thus expected to have very different initialisation.
*/
-static int cp2105_shared_gpio_init(struct usb_serial *serial)
+static int cp2105_gpioconf_init(struct usb_serial *serial)
{
struct cp210x_serial_private *priv = usb_get_serial_data(serial);
struct cp210x_pin_mode mode;
struct cp210x_config config;
u8 intf_num = cp210x_interface_num(serial);
+ u8 iface_config;
int result;
result = cp210x_read_vendor_block(serial, REQTYPE_DEVICE_TO_HOST,
@@ -1399,20 +1489,26 @@ static int cp2105_shared_gpio_init(struct usb_serial *serial)
/* 2 banks of GPIO - One for the pins taken from each serial port */
if (intf_num == 0) {
- if (mode.eci == CP210X_PIN_MODE_MODEM)
+ if (mode.eci == CP210X_PIN_MODE_MODEM) {
+ /* mark all GPIOs of this interface as reserved */
+ priv->gpio_altfunc = 0xff;
return 0;
+ }
- priv->config = config.eci_cfg;
- priv->gpio_mode = (u8)((le16_to_cpu(config.gpio_mode) &
+ iface_config = config.eci_cfg;
+ priv->gpio_pushpull = (u8)((le16_to_cpu(config.gpio_mode) &
CP210X_ECI_GPIO_MODE_MASK) >>
CP210X_ECI_GPIO_MODE_OFFSET);
priv->gc.ngpio = 2;
} else if (intf_num == 1) {
- if (mode.sci == CP210X_PIN_MODE_MODEM)
+ if (mode.sci == CP210X_PIN_MODE_MODEM) {
+ /* mark all GPIOs of this interface as reserved */
+ priv->gpio_altfunc = 0xff;
return 0;
+ }
- priv->config = config.sci_cfg;
- priv->gpio_mode = (u8)((le16_to_cpu(config.gpio_mode) &
+ iface_config = config.sci_cfg;
+ priv->gpio_pushpull = (u8)((le16_to_cpu(config.gpio_mode) &
CP210X_SCI_GPIO_MODE_MASK) >>
CP210X_SCI_GPIO_MODE_OFFSET);
priv->gc.ngpio = 3;
@@ -1420,6 +1516,125 @@ static int cp2105_shared_gpio_init(struct usb_serial *serial)
return -ENODEV;
}
+ /* mark all pins which are not in GPIO mode */
+ if (iface_config & CP2105_GPIO0_TXLED_MODE) /* GPIO 0 */
+ priv->gpio_altfunc |= BIT(0);
+ if (iface_config & (CP2105_GPIO1_RXLED_MODE | /* GPIO 1 */
+ CP2105_GPIO1_RS485_MODE))
+ priv->gpio_altfunc |= BIT(1);
+
+ /* driver implementation for CP2105 only supports outputs */
+ priv->gpio_input = 0;
+
+ return 0;
+}
+
+static int cp2102n_gpioconf_init(struct usb_serial *serial)
+{
+ struct cp210x_serial_private *priv = usb_get_serial_data(serial);
+ const u16 config_size = 0x02a6;
+ u8 gpio_rst_latch;
+ u8 config_version;
+ u8 gpio_pushpull;
+ u8 *config_buf;
+ u8 gpio_latch;
+ u8 gpio_ctrl;
+ int result;
+ u8 i;
+
+ /*
+ * Retrieve device configuration from the device.
+ * The array received contains all customization settings done at the
+ * factory/manufacturer. Format of the array is documented at the
+ * time of writing at:
+ * https://www.silabs.com/community/interface/knowledge-base.entry.html/2017/03/31/cp2102n_setconfig-xsfa
+ */
+ config_buf = kmalloc(config_size, GFP_KERNEL);
+ if (!config_buf)
+ return -ENOMEM;
+
+ result = cp210x_read_vendor_block(serial,
+ REQTYPE_DEVICE_TO_HOST,
+ CP210X_READ_2NCONFIG,
+ config_buf,
+ config_size);
+ if (result < 0) {
+ kfree(config_buf);
+ return result;
+ }
+
+ config_version = config_buf[CP210X_2NCONFIG_CONFIG_VERSION_IDX];
+ gpio_pushpull = config_buf[CP210X_2NCONFIG_GPIO_MODE_IDX];
+ gpio_ctrl = config_buf[CP210X_2NCONFIG_GPIO_CONTROL_IDX];
+ gpio_rst_latch = config_buf[CP210X_2NCONFIG_GPIO_RSTLATCH_IDX];
+
+ kfree(config_buf);
+
+ /* Make sure this is a config format we understand. */
+ if (config_version != 0x01)
+ return -ENOTSUPP;
+
+ /*
+ * We only support 4 GPIOs even on the QFN28 package, because
+ * config locations of GPIOs 4-6 determined using reverse
+ * engineering revealed conflicting offsets with other
+ * documented functions. So we'll just play it safe for now.
+ */
+ priv->gc.ngpio = 4;
+
+ /*
+ * Get default pin states after reset. Needed so we can determine
+ * the direction of an open-drain pin.
+ */
+ gpio_latch = (gpio_rst_latch >> 3) & 0x0f;
+
+ /* 0 indicates open-drain mode, 1 is push-pull */
+ priv->gpio_pushpull = (gpio_pushpull >> 3) & 0x0f;
+
+ /* 0 indicates GPIO mode, 1 is alternate function */
+ priv->gpio_altfunc = (gpio_ctrl >> 2) & 0x0f;
+
+ /*
+ * The CP2102N does not strictly has input and output pin modes,
+ * it only knows open-drain and push-pull modes which is set at
+ * factory. An open-drain pin can function both as an
+ * input or an output. We emulate input mode for open-drain pins
+ * by making sure they are not driven low, and we do not allow
+ * push-pull pins to be set as an input.
+ */
+ for (i = 0; i < priv->gc.ngpio; ++i) {
+ /*
+ * Set direction to "input" iff pin is open-drain and reset
+ * value is 1.
+ */
+ if (!(priv->gpio_pushpull & BIT(i)) && (gpio_latch & BIT(i)))
+ priv->gpio_input |= BIT(i);
+ }
+
+ return 0;
+}
+
+static int cp210x_gpio_init(struct usb_serial *serial)
+{
+ struct cp210x_serial_private *priv = usb_get_serial_data(serial);
+ int result;
+
+ switch (priv->partnum) {
+ case CP210X_PARTNUM_CP2105:
+ result = cp2105_gpioconf_init(serial);
+ break;
+ case CP210X_PARTNUM_CP2102N_QFN28:
+ case CP210X_PARTNUM_CP2102N_QFN24:
+ case CP210X_PARTNUM_CP2102N_QFN20:
+ result = cp2102n_gpioconf_init(serial);
+ break;
+ default:
+ return 0;
+ }
+
+ if (result < 0)
+ return result;
+
priv->gc.label = "cp210x";
priv->gc.request = cp210x_gpio_request;
priv->gc.get_direction = cp210x_gpio_direction_get;
@@ -1452,7 +1667,7 @@ static void cp210x_gpio_remove(struct usb_serial *serial)
#else
-static int cp2105_shared_gpio_init(struct usb_serial *serial)
+static int cp210x_gpio_init(struct usb_serial *serial)
{
return 0;
}
@@ -1497,6 +1712,50 @@ static int cp210x_port_remove(struct usb_serial_port *port)
return 0;
}
+static void cp210x_init_max_speed(struct usb_serial *serial)
+{
+ struct cp210x_serial_private *priv = usb_get_serial_data(serial);
+ bool use_actual_rate = false;
+ speed_t max;
+
+ switch (priv->partnum) {
+ case CP210X_PARTNUM_CP2101:
+ max = 921600;
+ break;
+ case CP210X_PARTNUM_CP2102:
+ case CP210X_PARTNUM_CP2103:
+ max = 1000000;
+ break;
+ case CP210X_PARTNUM_CP2104:
+ use_actual_rate = true;
+ max = 2000000;
+ break;
+ case CP210X_PARTNUM_CP2108:
+ max = 2000000;
+ break;
+ case CP210X_PARTNUM_CP2105:
+ if (cp210x_interface_num(serial) == 0) {
+ use_actual_rate = true;
+ max = 2000000; /* ECI */
+ } else {
+ max = 921600; /* SCI */
+ }
+ break;
+ case CP210X_PARTNUM_CP2102N_QFN28:
+ case CP210X_PARTNUM_CP2102N_QFN24:
+ case CP210X_PARTNUM_CP2102N_QFN20:
+ use_actual_rate = true;
+ max = 3000000;
+ break;
+ default:
+ max = 2000000;
+ break;
+ }
+
+ priv->max_speed = max;
+ priv->use_actual_rate = use_actual_rate;
+}
+
static int cp210x_attach(struct usb_serial *serial)
{
int result;
@@ -1517,12 +1776,12 @@ static int cp210x_attach(struct usb_serial *serial)
usb_set_serial_data(serial, priv);
- if (priv->partnum == CP210X_PARTNUM_CP2105) {
- result = cp2105_shared_gpio_init(serial);
- if (result < 0) {
- dev_err(&serial->interface->dev,
- "GPIO initialisation failed, continuing without GPIO support\n");
- }
+ cp210x_init_max_speed(serial);
+
+ result = cp210x_gpio_init(serial);
+ if (result < 0) {
+ dev_err(&serial->interface->dev, "GPIO initialisation failed: %d\n",
+ result);
}
return 0;
diff --git a/drivers/usb/serial/cyberjack.c b/drivers/usb/serial/cyberjack.c
index dc67a2eb98d7..ebd76ab07b72 100644
--- a/drivers/usb/serial/cyberjack.c
+++ b/drivers/usb/serial/cyberjack.c
@@ -255,6 +255,7 @@ static void cyberjack_read_int_callback(struct urb *urb)
struct device *dev = &port->dev;
unsigned char *data = urb->transfer_buffer;
int status = urb->status;
+ unsigned long flags;
int result;
/* the urb might have been killed. */
@@ -270,13 +271,13 @@ static void cyberjack_read_int_callback(struct urb *urb)
/* This is a announcement of coming bulk_ins. */
unsigned short size = ((unsigned short)data[3]<<8)+data[2]+3;
- spin_lock(&priv->lock);
+ spin_lock_irqsave(&priv->lock, flags);
old_rdtodo = priv->rdtodo;
if (old_rdtodo > SHRT_MAX - size) {
dev_dbg(dev, "To many bulk_in urbs to do.\n");
- spin_unlock(&priv->lock);
+ spin_unlock_irqrestore(&priv->lock, flags);
goto resubmit;
}
@@ -285,7 +286,7 @@ static void cyberjack_read_int_callback(struct urb *urb)
dev_dbg(dev, "%s - rdtodo: %d\n", __func__, priv->rdtodo);
- spin_unlock(&priv->lock);
+ spin_unlock_irqrestore(&priv->lock, flags);
if (!old_rdtodo) {
result = usb_submit_urb(port->read_urb, GFP_ATOMIC);
@@ -309,6 +310,7 @@ static void cyberjack_read_bulk_callback(struct urb *urb)
struct cyberjack_private *priv = usb_get_serial_port_data(port);
struct device *dev = &port->dev;
unsigned char *data = urb->transfer_buffer;
+ unsigned long flags;
short todo;
int result;
int status = urb->status;
@@ -325,7 +327,7 @@ static void cyberjack_read_bulk_callback(struct urb *urb)
tty_flip_buffer_push(&port->port);
}
- spin_lock(&priv->lock);
+ spin_lock_irqsave(&priv->lock, flags);
/* Reduce urbs to do by one. */
priv->rdtodo -= urb->actual_length;
@@ -334,7 +336,7 @@ static void cyberjack_read_bulk_callback(struct urb *urb)
priv->rdtodo = 0;
todo = priv->rdtodo;
- spin_unlock(&priv->lock);
+ spin_unlock_irqrestore(&priv->lock, flags);
dev_dbg(dev, "%s - rdtodo: %d\n", __func__, todo);
@@ -354,6 +356,7 @@ static void cyberjack_write_bulk_callback(struct urb *urb)
struct cyberjack_private *priv = usb_get_serial_port_data(port);
struct device *dev = &port->dev;
int status = urb->status;
+ unsigned long flags;
set_bit(0, &port->write_urbs_free);
if (status) {
@@ -362,7 +365,7 @@ static void cyberjack_write_bulk_callback(struct urb *urb)
return;
}
- spin_lock(&priv->lock);
+ spin_lock_irqsave(&priv->lock, flags);
/* only do something if we have more data to send */
if (priv->wrfilled) {
@@ -406,7 +409,7 @@ static void cyberjack_write_bulk_callback(struct urb *urb)
}
exit:
- spin_unlock(&priv->lock);
+ spin_unlock_irqrestore(&priv->lock, flags);
usb_serial_port_softint(port);
}
diff --git a/drivers/usb/serial/digi_acceleport.c b/drivers/usb/serial/digi_acceleport.c
index b0526786fb02..e7f244cf2c07 100644
--- a/drivers/usb/serial/digi_acceleport.c
+++ b/drivers/usb/serial/digi_acceleport.c
@@ -984,6 +984,7 @@ static void digi_write_bulk_callback(struct urb *urb)
struct usb_serial *serial;
struct digi_port *priv;
struct digi_serial *serial_priv;
+ unsigned long flags;
int ret = 0;
int status = urb->status;
@@ -1004,15 +1005,15 @@ static void digi_write_bulk_callback(struct urb *urb)
/* handle oob callback */
if (priv->dp_port_num == serial_priv->ds_oob_port_num) {
dev_dbg(&port->dev, "digi_write_bulk_callback: oob callback\n");
- spin_lock(&priv->dp_port_lock);
+ spin_lock_irqsave(&priv->dp_port_lock, flags);
priv->dp_write_urb_in_use = 0;
wake_up_interruptible(&port->write_wait);
- spin_unlock(&priv->dp_port_lock);
+ spin_unlock_irqrestore(&priv->dp_port_lock, flags);
return;
}
/* try to send any buffered data on this port */
- spin_lock(&priv->dp_port_lock);
+ spin_lock_irqsave(&priv->dp_port_lock, flags);
priv->dp_write_urb_in_use = 0;
if (priv->dp_out_buf_len > 0) {
*((unsigned char *)(port->write_urb->transfer_buffer))
@@ -1035,7 +1036,7 @@ static void digi_write_bulk_callback(struct urb *urb)
/* lost the race in write_chan(). */
schedule_work(&priv->dp_wakeup_work);
- spin_unlock(&priv->dp_port_lock);
+ spin_unlock_irqrestore(&priv->dp_port_lock, flags);
if (ret && ret != -EPERM)
dev_err_console(port,
"%s: usb_submit_urb failed, ret=%d, port=%d\n",
@@ -1381,11 +1382,12 @@ static int digi_read_inb_callback(struct urb *urb)
struct usb_serial_port *port = urb->context;
struct digi_port *priv = usb_get_serial_port_data(port);
unsigned char *buf = urb->transfer_buffer;
+ unsigned long flags;
int opcode;
int len;
int port_status;
unsigned char *data;
- int flag, throttled;
+ int tty_flag, throttled;
/* short/multiple packet check */
if (urb->actual_length < 2) {
@@ -1407,7 +1409,7 @@ static int digi_read_inb_callback(struct urb *urb)
return -1;
}
- spin_lock(&priv->dp_port_lock);
+ spin_lock_irqsave(&priv->dp_port_lock, flags);
/* check for throttle; if set, do not resubmit read urb */
/* indicate the read chain needs to be restarted on unthrottle */
@@ -1421,7 +1423,7 @@ static int digi_read_inb_callback(struct urb *urb)
data = &buf[3];
/* get flag from port_status */
- flag = 0;
+ tty_flag = 0;
/* overrun is special, not associated with a char */
if (port_status & DIGI_OVERRUN_ERROR)
@@ -1430,21 +1432,21 @@ static int digi_read_inb_callback(struct urb *urb)
/* break takes precedence over parity, */
/* which takes precedence over framing errors */
if (port_status & DIGI_BREAK_ERROR)
- flag = TTY_BREAK;
+ tty_flag = TTY_BREAK;
else if (port_status & DIGI_PARITY_ERROR)
- flag = TTY_PARITY;
+ tty_flag = TTY_PARITY;
else if (port_status & DIGI_FRAMING_ERROR)
- flag = TTY_FRAME;
+ tty_flag = TTY_FRAME;
/* data length is len-1 (one byte of len is port_status) */
--len;
if (len > 0) {
tty_insert_flip_string_fixed_flag(&port->port, data,
- flag, len);
+ tty_flag, len);
tty_flip_buffer_push(&port->port);
}
}
- spin_unlock(&priv->dp_port_lock);
+ spin_unlock_irqrestore(&priv->dp_port_lock, flags);
if (opcode == DIGI_CMD_RECEIVE_DISABLE)
dev_dbg(&port->dev, "%s: got RECEIVE_DISABLE\n", __func__);
@@ -1474,6 +1476,7 @@ static int digi_read_oob_callback(struct urb *urb)
struct digi_port *priv = usb_get_serial_port_data(port);
unsigned char *buf = urb->transfer_buffer;
int opcode, line, status, val;
+ unsigned long flags;
int i;
unsigned int rts;
@@ -1506,7 +1509,7 @@ static int digi_read_oob_callback(struct urb *urb)
rts = C_CRTSCTS(tty);
if (tty && opcode == DIGI_CMD_READ_INPUT_SIGNALS) {
- spin_lock(&priv->dp_port_lock);
+ spin_lock_irqsave(&priv->dp_port_lock, flags);
/* convert from digi flags to termiox flags */
if (val & DIGI_READ_INPUT_SIGNALS_CTS) {
priv->dp_modem_signals |= TIOCM_CTS;
@@ -1530,12 +1533,12 @@ static int digi_read_oob_callback(struct urb *urb)
else
priv->dp_modem_signals &= ~TIOCM_CD;
- spin_unlock(&priv->dp_port_lock);
+ spin_unlock_irqrestore(&priv->dp_port_lock, flags);
} else if (opcode == DIGI_CMD_TRANSMIT_IDLE) {
- spin_lock(&priv->dp_port_lock);
+ spin_lock_irqsave(&priv->dp_port_lock, flags);
priv->dp_transmit_idle = 1;
wake_up_interruptible(&priv->dp_transmit_idle_wait);
- spin_unlock(&priv->dp_port_lock);
+ spin_unlock_irqrestore(&priv->dp_port_lock, flags);
} else if (opcode == DIGI_CMD_IFLUSH_FIFO) {
wake_up_interruptible(&priv->dp_flush_wait);
}
diff --git a/drivers/usb/serial/io_edgeport.c b/drivers/usb/serial/io_edgeport.c
index 17283f4b4779..97c69d373ca6 100644
--- a/drivers/usb/serial/io_edgeport.c
+++ b/drivers/usb/serial/io_edgeport.c
@@ -648,6 +648,7 @@ static void edge_interrupt_callback(struct urb *urb)
struct usb_serial_port *port;
unsigned char *data = urb->transfer_buffer;
int length = urb->actual_length;
+ unsigned long flags;
int bytes_avail;
int position;
int txCredits;
@@ -679,7 +680,7 @@ static void edge_interrupt_callback(struct urb *urb)
if (length > 1) {
bytes_avail = data[0] | (data[1] << 8);
if (bytes_avail) {
- spin_lock(&edge_serial->es_lock);
+ spin_lock_irqsave(&edge_serial->es_lock, flags);
edge_serial->rxBytesAvail += bytes_avail;
dev_dbg(dev,
"%s - bytes_avail=%d, rxBytesAvail=%d, read_in_progress=%d\n",
@@ -702,7 +703,8 @@ static void edge_interrupt_callback(struct urb *urb)
edge_serial->read_in_progress = false;
}
}
- spin_unlock(&edge_serial->es_lock);
+ spin_unlock_irqrestore(&edge_serial->es_lock,
+ flags);
}
}
/* grab the txcredits for the ports if available */
@@ -715,9 +717,11 @@ static void edge_interrupt_callback(struct urb *urb)
port = edge_serial->serial->port[portNumber];
edge_port = usb_get_serial_port_data(port);
if (edge_port->open) {
- spin_lock(&edge_port->ep_lock);
+ spin_lock_irqsave(&edge_port->ep_lock,
+ flags);
edge_port->txCredits += txCredits;
- spin_unlock(&edge_port->ep_lock);
+ spin_unlock_irqrestore(&edge_port->ep_lock,
+ flags);
dev_dbg(dev, "%s - txcredits for port%d = %d\n",
__func__, portNumber,
edge_port->txCredits);
@@ -758,6 +762,7 @@ static void edge_bulk_in_callback(struct urb *urb)
int retval;
__u16 raw_data_length;
int status = urb->status;
+ unsigned long flags;
if (status) {
dev_dbg(&urb->dev->dev, "%s - nonzero read bulk status received: %d\n",
@@ -777,7 +782,7 @@ static void edge_bulk_in_callback(struct urb *urb)
usb_serial_debug_data(dev, __func__, raw_data_length, data);
- spin_lock(&edge_serial->es_lock);
+ spin_lock_irqsave(&edge_serial->es_lock, flags);
/* decrement our rxBytes available by the number that we just got */
edge_serial->rxBytesAvail -= raw_data_length;
@@ -801,7 +806,7 @@ static void edge_bulk_in_callback(struct urb *urb)
edge_serial->read_in_progress = false;
}
- spin_unlock(&edge_serial->es_lock);
+ spin_unlock_irqrestore(&edge_serial->es_lock, flags);
}
diff --git a/drivers/usb/serial/io_ti.c b/drivers/usb/serial/io_ti.c
index 0fbadb37c104..6d1d6efa3055 100644
--- a/drivers/usb/serial/io_ti.c
+++ b/drivers/usb/serial/io_ti.c
@@ -1729,6 +1729,7 @@ static void edge_bulk_in_callback(struct urb *urb)
struct edgeport_port *edge_port = urb->context;
struct device *dev = &edge_port->port->dev;
unsigned char *data = urb->transfer_buffer;
+ unsigned long flags;
int retval = 0;
int port_number;
int status = urb->status;
@@ -1780,13 +1781,13 @@ static void edge_bulk_in_callback(struct urb *urb)
exit:
/* continue read unless stopped */
- spin_lock(&edge_port->ep_lock);
+ spin_lock_irqsave(&edge_port->ep_lock, flags);
if (edge_port->ep_read_urb_state == EDGE_READ_URB_RUNNING)
retval = usb_submit_urb(urb, GFP_ATOMIC);
else if (edge_port->ep_read_urb_state == EDGE_READ_URB_STOPPING)
edge_port->ep_read_urb_state = EDGE_READ_URB_STOPPED;
- spin_unlock(&edge_port->ep_lock);
+ spin_unlock_irqrestore(&edge_port->ep_lock, flags);
if (retval)
dev_err(dev, "%s - usb_submit_urb failed with result %d\n", __func__, retval);
}
diff --git a/drivers/usb/serial/ir-usb.c b/drivers/usb/serial/ir-usb.c
index 24b06c7e5e2d..7643716b5299 100644
--- a/drivers/usb/serial/ir-usb.c
+++ b/drivers/usb/serial/ir-usb.c
@@ -132,7 +132,7 @@ irda_usb_find_class_desc(struct usb_serial *serial, unsigned int ifnum)
0, ifnum, desc, sizeof(*desc), 1000);
dev_dbg(&serial->dev->dev, "%s - ret=%d\n", __func__, ret);
- if (ret < sizeof(*desc)) {
+ if (ret < (int)sizeof(*desc)) {
dev_dbg(&serial->dev->dev,
"%s - class descriptor read %s (%d)\n", __func__,
(ret < 0) ? "failed" : "too short", ret);
diff --git a/drivers/usb/serial/iuu_phoenix.c b/drivers/usb/serial/iuu_phoenix.c
index 2fb71303ec3a..449e89db9cea 100644
--- a/drivers/usb/serial/iuu_phoenix.c
+++ b/drivers/usb/serial/iuu_phoenix.c
@@ -58,7 +58,6 @@ struct iuu_private {
u8 *buf; /* used for initialize speed */
u8 len;
int vcc; /* vcc (either 3 or 5 V) */
- u32 baud;
u32 boost;
u32 clk;
};
@@ -963,9 +962,6 @@ static int iuu_open(struct tty_struct *tty, struct usb_serial_port *port)
struct iuu_private *priv = usb_get_serial_port_data(port);
baud = tty->termios.c_ospeed;
- tty->termios.c_ispeed = baud;
- /* Re-encode speed */
- tty_encode_baud_rate(tty, baud, baud);
dev_dbg(dev, "%s - baud %d\n", __func__, baud);
usb_clear_halt(serial->dev, port->write_urb->pipe);
@@ -991,7 +987,6 @@ static int iuu_open(struct tty_struct *tty, struct usb_serial_port *port)
if (boost < 100)
boost = 100;
priv->boost = boost;
- priv->baud = baud;
switch (clockmode) {
case 2: /* 3.680 Mhz */
priv->clk = IUU_CLK_3680000;
diff --git a/drivers/usb/serial/kl5kusb105.c b/drivers/usb/serial/kl5kusb105.c
index 5046ffd53cde..5ee48b0650c4 100644
--- a/drivers/usb/serial/kl5kusb105.c
+++ b/drivers/usb/serial/kl5kusb105.c
@@ -67,7 +67,6 @@ static int klsi_105_prepare_write_buffer(struct usb_serial_port *port,
*/
static const struct usb_device_id id_table[] = {
{ USB_DEVICE(PALMCONNECT_VID, PALMCONNECT_PID) },
- { USB_DEVICE(KLSI_VID, KLSI_KL5KUSB105D_PID) },
{ } /* Terminating entry */
};
diff --git a/drivers/usb/serial/kl5kusb105.h b/drivers/usb/serial/kl5kusb105.h
index 41c9bf60fbf0..dbe98d85ca8e 100644
--- a/drivers/usb/serial/kl5kusb105.h
+++ b/drivers/usb/serial/kl5kusb105.h
@@ -7,9 +7,6 @@
#define PALMCONNECT_VID 0x0830
#define PALMCONNECT_PID 0x0080
-#define KLSI_VID 0x05e9
-#define KLSI_KL5KUSB105D_PID 0x00c0
-
/* Vendor commands: */
diff --git a/drivers/usb/serial/kobil_sct.c b/drivers/usb/serial/kobil_sct.c
index a31ea7e194dd..e9882ba20933 100644
--- a/drivers/usb/serial/kobil_sct.c
+++ b/drivers/usb/serial/kobil_sct.c
@@ -190,8 +190,10 @@ static int kobil_open(struct tty_struct *tty, struct usb_serial_port *port)
KOBIL_TIMEOUT
);
dev_dbg(dev, "%s - Send get_HW_version URB returns: %i\n", __func__, result);
- dev_dbg(dev, "Hardware version: %i.%i.%i\n", transfer_buffer[0],
- transfer_buffer[1], transfer_buffer[2]);
+ if (result >= 3) {
+ dev_dbg(dev, "Hardware version: %i.%i.%i\n", transfer_buffer[0],
+ transfer_buffer[1], transfer_buffer[2]);
+ }
/* get firmware version */
result = usb_control_msg(port->serial->dev,
@@ -205,8 +207,10 @@ static int kobil_open(struct tty_struct *tty, struct usb_serial_port *port)
KOBIL_TIMEOUT
);
dev_dbg(dev, "%s - Send get_FW_version URB returns: %i\n", __func__, result);
- dev_dbg(dev, "Firmware version: %i.%i.%i\n", transfer_buffer[0],
- transfer_buffer[1], transfer_buffer[2]);
+ if (result >= 3) {
+ dev_dbg(dev, "Firmware version: %i.%i.%i\n", transfer_buffer[0],
+ transfer_buffer[1], transfer_buffer[2]);
+ }
if (priv->device_type == KOBIL_ADAPTER_B_PRODUCT_ID ||
priv->device_type == KOBIL_ADAPTER_K_PRODUCT_ID) {
@@ -393,12 +397,20 @@ static int kobil_tiocmget(struct tty_struct *tty)
transfer_buffer_length,
KOBIL_TIMEOUT);
- dev_dbg(&port->dev, "%s - Send get_status_line_state URB returns: %i. Statusline: %02x\n",
- __func__, result, transfer_buffer[0]);
+ dev_dbg(&port->dev, "Send get_status_line_state URB returns: %i\n",
+ result);
+ if (result < 1) {
+ if (result >= 0)
+ result = -EIO;
+ goto out_free;
+ }
+
+ dev_dbg(&port->dev, "Statusline: %02x\n", transfer_buffer[0]);
result = 0;
if ((transfer_buffer[0] & SUSBCR_GSL_DSR) != 0)
result = TIOCM_DSR;
+out_free:
kfree(transfer_buffer);
return result;
}
diff --git a/drivers/usb/serial/mos7720.c b/drivers/usb/serial/mos7720.c
index bd57630e67e2..27109522fd8b 100644
--- a/drivers/usb/serial/mos7720.c
+++ b/drivers/usb/serial/mos7720.c
@@ -340,14 +340,15 @@ static void async_complete(struct urb *urb)
{
struct urbtracker *urbtrack = urb->context;
int status = urb->status;
+ unsigned long flags;
if (unlikely(status))
dev_dbg(&urb->dev->dev, "%s - nonzero urb status received: %d\n", __func__, status);
/* remove the urbtracker from the active_urbs list */
- spin_lock(&urbtrack->mos_parport->listlock);
+ spin_lock_irqsave(&urbtrack->mos_parport->listlock, flags);
list_del(&urbtrack->urblist_entry);
- spin_unlock(&urbtrack->mos_parport->listlock);
+ spin_unlock_irqrestore(&urbtrack->mos_parport->listlock, flags);
kref_put(&urbtrack->ref_count, destroy_urbtracker);
}
@@ -1526,8 +1527,6 @@ static void change_port_settings(struct tty_struct *tty,
struct usb_serial *serial;
int baud;
unsigned cflag;
- unsigned iflag;
- __u8 mask = 0xff;
__u8 lData;
__u8 lParity;
__u8 lStop;
@@ -1551,23 +1550,19 @@ static void change_port_settings(struct tty_struct *tty,
lParity = 0x00; /* No parity */
cflag = tty->termios.c_cflag;
- iflag = tty->termios.c_iflag;
/* Change the number of bits */
switch (cflag & CSIZE) {
case CS5:
lData = UART_LCR_WLEN5;
- mask = 0x1f;
break;
case CS6:
lData = UART_LCR_WLEN6;
- mask = 0x3f;
break;
case CS7:
lData = UART_LCR_WLEN7;
- mask = 0x7f;
break;
default:
case CS8:
@@ -1685,11 +1680,8 @@ static void mos7720_set_termios(struct tty_struct *tty,
struct usb_serial_port *port, struct ktermios *old_termios)
{
int status;
- struct usb_serial *serial;
struct moschip_port *mos7720_port;
- serial = port->serial;
-
mos7720_port = usb_get_serial_port_data(port);
if (mos7720_port == NULL)
diff --git a/drivers/usb/serial/mos7840.c b/drivers/usb/serial/mos7840.c
index b580b4c7fa48..b42bad85097a 100644
--- a/drivers/usb/serial/mos7840.c
+++ b/drivers/usb/serial/mos7840.c
@@ -805,18 +805,19 @@ static void mos7840_bulk_out_data_callback(struct urb *urb)
struct moschip_port *mos7840_port;
struct usb_serial_port *port;
int status = urb->status;
+ unsigned long flags;
int i;
mos7840_port = urb->context;
port = mos7840_port->port;
- spin_lock(&mos7840_port->pool_lock);
+ spin_lock_irqsave(&mos7840_port->pool_lock, flags);
for (i = 0; i < NUM_URBS; i++) {
if (urb == mos7840_port->write_urb_pool[i]) {
mos7840_port->busy[i] = 0;
break;
}
}
- spin_unlock(&mos7840_port->pool_lock);
+ spin_unlock_irqrestore(&mos7840_port->pool_lock, flags);
if (status) {
dev_dbg(&port->dev, "nonzero write bulk status received:%d\n", status);
diff --git a/drivers/usb/serial/quatech2.c b/drivers/usb/serial/quatech2.c
index 958e12e1e7c7..b61c2a9b6b11 100644
--- a/drivers/usb/serial/quatech2.c
+++ b/drivers/usb/serial/quatech2.c
@@ -194,7 +194,7 @@ static inline int qt2_getregister(struct usb_device *dev,
ret = usb_control_msg(dev, usb_rcvctrlpipe(dev, 0),
QT_SET_GET_REGISTER, 0xc0, reg,
uart, data, sizeof(*data), QT2_USB_TIMEOUT);
- if (ret < sizeof(*data)) {
+ if (ret < (int)sizeof(*data)) {
if (ret >= 0)
ret = -EIO;
}
@@ -621,16 +621,17 @@ static void qt2_write_bulk_callback(struct urb *urb)
{
struct usb_serial_port *port;
struct qt2_port_private *port_priv;
+ unsigned long flags;
port = urb->context;
port_priv = usb_get_serial_port_data(port);
- spin_lock(&port_priv->urb_lock);
+ spin_lock_irqsave(&port_priv->urb_lock, flags);
port_priv->urb_in_use = false;
usb_serial_port_softint(port);
- spin_unlock(&port_priv->urb_lock);
+ spin_unlock_irqrestore(&port_priv->urb_lock, flags);
}
diff --git a/drivers/usb/serial/sierra.c b/drivers/usb/serial/sierra.c
index d189f953c891..a43263a0edd8 100644
--- a/drivers/usb/serial/sierra.c
+++ b/drivers/usb/serial/sierra.c
@@ -409,6 +409,7 @@ static void sierra_outdat_callback(struct urb *urb)
struct sierra_port_private *portdata = usb_get_serial_port_data(port);
struct sierra_intf_private *intfdata;
int status = urb->status;
+ unsigned long flags;
intfdata = usb_get_serial_data(port->serial);
@@ -419,12 +420,12 @@ static void sierra_outdat_callback(struct urb *urb)
dev_dbg(&port->dev, "%s - nonzero write bulk status "
"received: %d\n", __func__, status);
- spin_lock(&portdata->lock);
+ spin_lock_irqsave(&portdata->lock, flags);
--portdata->outstanding_urbs;
- spin_unlock(&portdata->lock);
- spin_lock(&intfdata->susp_lock);
+ spin_unlock_irqrestore(&portdata->lock, flags);
+ spin_lock_irqsave(&intfdata->susp_lock, flags);
--intfdata->in_flight;
- spin_unlock(&intfdata->susp_lock);
+ spin_unlock_irqrestore(&intfdata->susp_lock, flags);
usb_serial_port_softint(port);
}
@@ -770,9 +771,9 @@ static void sierra_close(struct usb_serial_port *port)
kfree(urb->transfer_buffer);
usb_free_urb(urb);
usb_autopm_put_interface_async(serial->interface);
- spin_lock(&portdata->lock);
+ spin_lock_irq(&portdata->lock);
portdata->outstanding_urbs--;
- spin_unlock(&portdata->lock);
+ spin_unlock_irq(&portdata->lock);
}
sierra_stop_rx_urbs(port);
diff --git a/drivers/usb/serial/ssu100.c b/drivers/usb/serial/ssu100.c
index 2083c267787b..0900b47b5f57 100644
--- a/drivers/usb/serial/ssu100.c
+++ b/drivers/usb/serial/ssu100.c
@@ -104,7 +104,7 @@ static inline int ssu100_getregister(struct usb_device *dev,
ret = usb_control_msg(dev, usb_rcvctrlpipe(dev, 0),
QT_SET_GET_REGISTER, 0xc0, reg,
uart, data, sizeof(*data), 300);
- if (ret < sizeof(*data)) {
+ if (ret < (int)sizeof(*data)) {
if (ret >= 0)
ret = -EIO;
}
diff --git a/drivers/usb/serial/symbolserial.c b/drivers/usb/serial/symbolserial.c
index cd2f8dc8b58c..6ca24e86f686 100644
--- a/drivers/usb/serial/symbolserial.c
+++ b/drivers/usb/serial/symbolserial.c
@@ -35,6 +35,7 @@ static void symbol_int_callback(struct urb *urb)
struct symbol_private *priv = usb_get_serial_port_data(port);
unsigned char *data = urb->transfer_buffer;
int status = urb->status;
+ unsigned long flags;
int result;
int data_length;
@@ -73,7 +74,7 @@ static void symbol_int_callback(struct urb *urb)
}
exit:
- spin_lock(&priv->lock);
+ spin_lock_irqsave(&priv->lock, flags);
/* Continue trying to always read if we should */
if (!priv->throttled) {
@@ -84,7 +85,7 @@ exit:
__func__, result);
} else
priv->actually_throttled = true;
- spin_unlock(&priv->lock);
+ spin_unlock_irqrestore(&priv->lock, flags);
}
static int symbol_open(struct tty_struct *tty, struct usb_serial_port *port)
diff --git a/drivers/usb/serial/ti_usb_3410_5052.c b/drivers/usb/serial/ti_usb_3410_5052.c
index 6b22857f6e52..3010878f7f8e 100644
--- a/drivers/usb/serial/ti_usb_3410_5052.c
+++ b/drivers/usb/serial/ti_usb_3410_5052.c
@@ -1215,6 +1215,7 @@ static void ti_bulk_in_callback(struct urb *urb)
struct usb_serial_port *port = tport->tp_port;
struct device *dev = &urb->dev->dev;
int status = urb->status;
+ unsigned long flags;
int retval = 0;
switch (status) {
@@ -1247,20 +1248,20 @@ static void ti_bulk_in_callback(struct urb *urb)
__func__);
else
ti_recv(port, urb->transfer_buffer, urb->actual_length);
- spin_lock(&tport->tp_lock);
+ spin_lock_irqsave(&tport->tp_lock, flags);
port->icount.rx += urb->actual_length;
- spin_unlock(&tport->tp_lock);
+ spin_unlock_irqrestore(&tport->tp_lock, flags);
}
exit:
/* continue to read unless stopping */
- spin_lock(&tport->tp_lock);
+ spin_lock_irqsave(&tport->tp_lock, flags);
if (tport->tp_read_urb_state == TI_READ_URB_RUNNING)
retval = usb_submit_urb(urb, GFP_ATOMIC);
else if (tport->tp_read_urb_state == TI_READ_URB_STOPPING)
tport->tp_read_urb_state = TI_READ_URB_STOPPED;
- spin_unlock(&tport->tp_lock);
+ spin_unlock_irqrestore(&tport->tp_lock, flags);
if (retval)
dev_err(dev, "%s - resubmit read urb failed, %d\n",
__func__, retval);
diff --git a/drivers/usb/serial/usb_wwan.c b/drivers/usb/serial/usb_wwan.c
index 107e64c42e94..912472f26e4f 100644
--- a/drivers/usb/serial/usb_wwan.c
+++ b/drivers/usb/serial/usb_wwan.c
@@ -326,6 +326,7 @@ static void usb_wwan_outdat_callback(struct urb *urb)
struct usb_serial_port *port;
struct usb_wwan_port_private *portdata;
struct usb_wwan_intf_private *intfdata;
+ unsigned long flags;
int i;
port = urb->context;
@@ -334,9 +335,9 @@ static void usb_wwan_outdat_callback(struct urb *urb)
usb_serial_port_softint(port);
usb_autopm_put_interface_async(port->serial->interface);
portdata = usb_get_serial_port_data(port);
- spin_lock(&intfdata->susp_lock);
+ spin_lock_irqsave(&intfdata->susp_lock, flags);
intfdata->in_flight--;
- spin_unlock(&intfdata->susp_lock);
+ spin_unlock_irqrestore(&intfdata->susp_lock, flags);
for (i = 0; i < N_OUT_URB; ++i) {
if (portdata->out_urbs[i] == urb) {
generated by cgit v1.2.3 (git 2.39.1) at 2024-11-01 04:25:38 +0000