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-rw-r--r--drivers/usb/class/cdc-acm.c21
-rw-r--r--drivers/usb/gadget/function/u_serial.c12
-rw-r--r--drivers/usb/host/xhci-dbgtty.c8
-rw-r--r--drivers/usb/serial/belkin_sa.c20
-rw-r--r--drivers/usb/serial/cypress_m8.c21
-rw-r--r--drivers/usb/serial/pl2303.c15
-rw-r--r--drivers/usb/serial/usb-serial.c4
-rw-r--r--drivers/usb/serial/whiteheat.c9
8 files changed, 22 insertions, 88 deletions
diff --git a/drivers/usb/class/cdc-acm.c b/drivers/usb/class/cdc-acm.c
index ca7a61190dd9..c9954eb56e00 100644
--- a/drivers/usb/class/cdc-acm.c
+++ b/drivers/usb/class/cdc-acm.c
@@ -838,7 +838,7 @@ static int acm_tty_write(struct tty_struct *tty,
return count;
}
-static int acm_tty_write_room(struct tty_struct *tty)
+static unsigned int acm_tty_write_room(struct tty_struct *tty)
{
struct acm *acm = tty->driver_data;
/*
@@ -848,7 +848,7 @@ static int acm_tty_write_room(struct tty_struct *tty)
return acm_wb_is_avail(acm) ? acm->writesize : 0;
}
-static int acm_tty_chars_in_buffer(struct tty_struct *tty)
+static unsigned int acm_tty_chars_in_buffer(struct tty_struct *tty)
{
struct acm *acm = tty->driver_data;
/*
@@ -1056,21 +1056,8 @@ static void acm_tty_set_termios(struct tty_struct *tty,
newline.bParityType = termios->c_cflag & PARENB ?
(termios->c_cflag & PARODD ? 1 : 2) +
(termios->c_cflag & CMSPAR ? 2 : 0) : 0;
- switch (termios->c_cflag & CSIZE) {
- case CS5:
- newline.bDataBits = 5;
- break;
- case CS6:
- newline.bDataBits = 6;
- break;
- case CS7:
- newline.bDataBits = 7;
- break;
- case CS8:
- default:
- newline.bDataBits = 8;
- break;
- }
+ newline.bDataBits = tty_get_char_size(termios->c_cflag);
+
/* FIXME: Needs to clear unsupported bits in the termios */
acm->clocal = ((termios->c_cflag & CLOCAL) != 0);
diff --git a/drivers/usb/gadget/function/u_serial.c b/drivers/usb/gadget/function/u_serial.c
index 1e59204ec7aa..bffef8e47dac 100644
--- a/drivers/usb/gadget/function/u_serial.c
+++ b/drivers/usb/gadget/function/u_serial.c
@@ -774,34 +774,34 @@ static void gs_flush_chars(struct tty_struct *tty)
spin_unlock_irqrestore(&port->port_lock, flags);
}
-static int gs_write_room(struct tty_struct *tty)
+static unsigned int gs_write_room(struct tty_struct *tty)
{
struct gs_port *port = tty->driver_data;
unsigned long flags;
- int room = 0;
+ unsigned int room = 0;
spin_lock_irqsave(&port->port_lock, flags);
if (port->port_usb)
room = kfifo_avail(&port->port_write_buf);
spin_unlock_irqrestore(&port->port_lock, flags);
- pr_vdebug("gs_write_room: (%d,%p) room=%d\n",
+ pr_vdebug("gs_write_room: (%d,%p) room=%u\n",
port->port_num, tty, room);
return room;
}
-static int gs_chars_in_buffer(struct tty_struct *tty)
+static unsigned int gs_chars_in_buffer(struct tty_struct *tty)
{
struct gs_port *port = tty->driver_data;
unsigned long flags;
- int chars = 0;
+ unsigned int chars;
spin_lock_irqsave(&port->port_lock, flags);
chars = kfifo_len(&port->port_write_buf);
spin_unlock_irqrestore(&port->port_lock, flags);
- pr_vdebug("gs_chars_in_buffer: (%d,%p) chars=%d\n",
+ pr_vdebug("gs_chars_in_buffer: (%d,%p) chars=%u\n",
port->port_num, tty, chars);
return chars;
diff --git a/drivers/usb/host/xhci-dbgtty.c b/drivers/usb/host/xhci-dbgtty.c
index ae4e4ab638b5..bef104511352 100644
--- a/drivers/usb/host/xhci-dbgtty.c
+++ b/drivers/usb/host/xhci-dbgtty.c
@@ -240,11 +240,11 @@ static void dbc_tty_flush_chars(struct tty_struct *tty)
spin_unlock_irqrestore(&port->port_lock, flags);
}
-static int dbc_tty_write_room(struct tty_struct *tty)
+static unsigned int dbc_tty_write_room(struct tty_struct *tty)
{
struct dbc_port *port = tty->driver_data;
unsigned long flags;
- int room = 0;
+ unsigned int room;
spin_lock_irqsave(&port->port_lock, flags);
room = kfifo_avail(&port->write_fifo);
@@ -253,11 +253,11 @@ static int dbc_tty_write_room(struct tty_struct *tty)
return room;
}
-static int dbc_tty_chars_in_buffer(struct tty_struct *tty)
+static unsigned int dbc_tty_chars_in_buffer(struct tty_struct *tty)
{
struct dbc_port *port = tty->driver_data;
unsigned long flags;
- int chars = 0;
+ unsigned int chars;
spin_lock_irqsave(&port->port_lock, flags);
chars = kfifo_len(&port->write_fifo);
diff --git a/drivers/usb/serial/belkin_sa.c b/drivers/usb/serial/belkin_sa.c
index ed9193f3bb1a..8107e4b5b03b 100644
--- a/drivers/usb/serial/belkin_sa.c
+++ b/drivers/usb/serial/belkin_sa.c
@@ -356,25 +356,7 @@ static void belkin_sa_set_termios(struct tty_struct *tty,
/* set the number of data bits */
if ((cflag & CSIZE) != (old_cflag & CSIZE)) {
- switch (cflag & CSIZE) {
- case CS5:
- urb_value = BELKIN_SA_DATA_BITS(5);
- break;
- case CS6:
- urb_value = BELKIN_SA_DATA_BITS(6);
- break;
- case CS7:
- urb_value = BELKIN_SA_DATA_BITS(7);
- break;
- case CS8:
- urb_value = BELKIN_SA_DATA_BITS(8);
- break;
- default:
- dev_dbg(&port->dev,
- "CSIZE was not CS5-CS8, using default of 8\n");
- urb_value = BELKIN_SA_DATA_BITS(8);
- break;
- }
+ urb_value = BELKIN_SA_DATA_BITS(tty_get_char_size(cflag));
if (BSA_USB_CMD(BELKIN_SA_SET_DATA_BITS_REQUEST, urb_value) < 0)
dev_err(&port->dev, "Set data bits error\n");
}
diff --git a/drivers/usb/serial/cypress_m8.c b/drivers/usb/serial/cypress_m8.c
index 166ee2286fda..55f23df03e0b 100644
--- a/drivers/usb/serial/cypress_m8.c
+++ b/drivers/usb/serial/cypress_m8.c
@@ -326,7 +326,7 @@ static int cypress_serial_control(struct tty_struct *tty,
/* fill the feature_buffer with new configuration */
put_unaligned_le32(new_baudrate, feature_buffer);
- feature_buffer[4] |= data_bits; /* assign data bits in 2 bit space ( max 3 ) */
+ feature_buffer[4] |= data_bits - 5; /* assign data bits in 2 bit space ( max 3 ) */
/* 1 bit gap */
feature_buffer[4] |= (stop_bits << 3); /* assign stop bits in 1 bit space */
feature_buffer[4] |= (parity_enable << 4); /* assign parity flag in 1 bit space */
@@ -887,23 +887,8 @@ static void cypress_set_termios(struct tty_struct *tty,
} else
parity_enable = parity_type = 0;
- switch (cflag & CSIZE) {
- case CS5:
- data_bits = 0;
- break;
- case CS6:
- data_bits = 1;
- break;
- case CS7:
- data_bits = 2;
- break;
- case CS8:
- data_bits = 3;
- break;
- default:
- dev_err(dev, "%s - CSIZE was set, but not CS5-CS8\n", __func__);
- data_bits = 3;
- }
+ data_bits = tty_get_char_size(cflag);
+
spin_lock_irqsave(&priv->lock, flags);
oldlines = priv->line_control;
if ((cflag & CBAUD) == B0) {
diff --git a/drivers/usb/serial/pl2303.c b/drivers/usb/serial/pl2303.c
index 940050c31482..2f2f5047452b 100644
--- a/drivers/usb/serial/pl2303.c
+++ b/drivers/usb/serial/pl2303.c
@@ -789,20 +789,7 @@ static void pl2303_set_termios(struct tty_struct *tty,
pl2303_get_line_request(port, buf);
- switch (C_CSIZE(tty)) {
- case CS5:
- buf[6] = 5;
- break;
- case CS6:
- buf[6] = 6;
- break;
- case CS7:
- buf[6] = 7;
- break;
- default:
- case CS8:
- buf[6] = 8;
- }
+ buf[6] = tty_get_char_size(tty->termios.c_cflag);
dev_dbg(&port->dev, "data bits = %d\n", buf[6]);
/* For reference buf[0]:buf[3] baud rate value */
diff --git a/drivers/usb/serial/usb-serial.c b/drivers/usb/serial/usb-serial.c
index 98b33b1b5357..eeb441c77207 100644
--- a/drivers/usb/serial/usb-serial.c
+++ b/drivers/usb/serial/usb-serial.c
@@ -376,7 +376,7 @@ exit:
return retval;
}
-static int serial_write_room(struct tty_struct *tty)
+static unsigned int serial_write_room(struct tty_struct *tty)
{
struct usb_serial_port *port = tty->driver_data;
@@ -385,7 +385,7 @@ static int serial_write_room(struct tty_struct *tty)
return port->serial->type->write_room(tty);
}
-static int serial_chars_in_buffer(struct tty_struct *tty)
+static unsigned int serial_chars_in_buffer(struct tty_struct *tty)
{
struct usb_serial_port *port = tty->driver_data;
struct usb_serial *serial = port->serial;
diff --git a/drivers/usb/serial/whiteheat.c b/drivers/usb/serial/whiteheat.c
index 5116ed9db3eb..da65d14c9ed5 100644
--- a/drivers/usb/serial/whiteheat.c
+++ b/drivers/usb/serial/whiteheat.c
@@ -625,14 +625,7 @@ static void firm_setup_port(struct tty_struct *tty)
port_settings.port = port->port_number + 1;
- /* get the byte size */
- switch (cflag & CSIZE) {
- case CS5: port_settings.bits = 5; break;
- case CS6: port_settings.bits = 6; break;
- case CS7: port_settings.bits = 7; break;
- default:
- case CS8: port_settings.bits = 8; break;
- }
+ port_settings.bits = tty_get_char_size(cflag);
dev_dbg(dev, "%s - data bits = %d\n", __func__, port_settings.bits);
/* determine the parity */
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-10 23:28:44 +0000