USB: serial: ftdi_sio: drop redundant chip type comments

Drop redundant chip type comments.

Signed-off-by: Johan Hovold <johan@kernel.org>
This commit is contained in:
Johan Hovold 2022-09-11 16:02:06 +02:00
parent 366e89aafe
commit 25eb948601

View File

@ -61,7 +61,6 @@ enum ftdi_chip_type {
struct ftdi_private {
enum ftdi_chip_type chip_type;
/* type of device, either SIO or FT8U232AM */
int baud_base; /* baud base clock for divisor setting */
int custom_divisor; /* custom_divisor kludge, this is for
baud_base (different from what goes to the
@ -1318,7 +1317,7 @@ static u32 get_ftdi_divisor(struct tty_struct *tty,
if (!baud)
baud = 9600;
switch (priv->chip_type) {
case SIO: /* SIO chip */
case SIO:
switch (baud) {
case 300: div_value = ftdi_sio_b300; break;
case 600: div_value = ftdi_sio_b600; break;
@ -1338,7 +1337,7 @@ static u32 get_ftdi_divisor(struct tty_struct *tty,
div_okay = 0;
}
break;
case FT8U232AM: /* 8U232AM chip */
case FT8U232AM:
if (baud <= 3000000) {
div_value = ftdi_232am_baud_to_divisor(baud);
} else {
@ -1348,10 +1347,10 @@ static u32 get_ftdi_divisor(struct tty_struct *tty,
div_okay = 0;
}
break;
case FT232BM: /* FT232BM chip */
case FT2232C: /* FT2232C chip */
case FT232RL: /* FT232RL chip */
case FTX: /* FT-X series */
case FT232BM:
case FT2232C:
case FT232RL:
case FTX:
if (baud <= 3000000) {
u16 product_id = le16_to_cpu(
port->serial->dev->descriptor.idProduct);
@ -1371,9 +1370,9 @@ static u32 get_ftdi_divisor(struct tty_struct *tty,
baud = 9600;
}
break;
case FT2232H: /* FT2232H chip */
case FT4232H: /* FT4232H chip */
case FT232H: /* FT232H chip */
case FT2232H:
case FT4232H:
case FT232H:
if ((baud <= 12000000) && (baud >= 1200)) {
div_value = ftdi_2232h_baud_to_divisor(baud);
} else if (baud < 1200) {
@ -1385,7 +1384,7 @@ static u32 get_ftdi_divisor(struct tty_struct *tty,
baud = 9600;
}
break;
} /* priv->chip_type */
}
if (div_okay) {
dev_dbg(dev, "%s - Baud rate set to %d (divisor 0x%lX) on chip %s\n",