Changes two simple if statements to switch statements.
Fixes some issues reported by checkpatch.pl like whitespace.
Bracing changes so all arms of a statement have consistent bracing.
Signed-off-by: Jaša Bartelj <jasa.bart...@gmail.com>
---
drivers/usb/serial/ftdi_sio.c | 48 +++++++++++++++++++++++++--------------
drivers/usb/serial/ftdi_sio_ids.h | 4 ++--
2 files changed, 33 insertions(+), 19 deletions(-)
diff --git a/drivers/usb/serial/ftdi_sio.c b/drivers/usb/serial/ftdi_sio.c
index 19cf267..3340dea 100644
--- a/drivers/usb/serial/ftdi_sio.c
+++ b/drivers/usb/serial/ftdi_sio.c
@@ -58,7 +58,7 @@ struct ftdi_private {
int custom_divisor; /* custom_divisor kludge, this is for
baud_base (different from what goes to the
chip!) */
- __u16 last_set_data_urb_value ;
+ __u16 last_set_data_urb_value;
/* the last data state set - needed for doing
* a break
*/
@@ -1038,6 +1038,7 @@ static unsigned short int
ftdi_232am_baud_base_to_divisor(int baud, int base)
unsigned short int divisor;
/* divisor shifted 3 bits to the left */
int divisor3 = base / 2 / baud;
+
if ((divisor3 & 0x7) == 7)
divisor3++; /* round x.7/8 up to x+1 */
divisor = divisor3 >> 3;
@@ -1064,6 +1065,7 @@ static __u32 ftdi_232bm_baud_base_to_divisor(int baud,
int base)
__u32 divisor;
/* divisor shifted 3 bits to the left */
int divisor3 = base / 2 / baud;
+
divisor = divisor3 >> 3;
divisor |= (__u32)divfrac[divisor3 & 0x7] << 14;
/* Deal with special cases for highest baud rates. */
@@ -1433,16 +1435,23 @@ static int set_serial_info(struct tty_struct *tty,
check_and_exit:
if ((old_priv.flags & ASYNC_SPD_MASK) !=
(priv->flags & ASYNC_SPD_MASK)) {
- if ((priv->flags & ASYNC_SPD_MASK) == ASYNC_SPD_HI)
+ switch (priv->flags & ASYNC_SPD_MASK) {
+ case ASYNC_SPD_HI:
tty->alt_speed = 57600;
- else if ((priv->flags & ASYNC_SPD_MASK) == ASYNC_SPD_VHI)
+ break;
+ case ASYNC_SPD_VHI:
tty->alt_speed = 115200;
- else if ((priv->flags & ASYNC_SPD_MASK) == ASYNC_SPD_SHI)
+ break;
+ case ASYNC_SPD_SHI:
tty->alt_speed = 230400;
- else if ((priv->flags & ASYNC_SPD_MASK) == ASYNC_SPD_WARP)
+ break;
+ case ASYNC_SPD_WARP:
tty->alt_speed = 460800;
- else
+ break;
+ default:
tty->alt_speed = 0;
+ break;
+ }
}
if (((old_priv.flags & ASYNC_SPD_MASK) !=
(priv->flags & ASYNC_SPD_MASK)) ||
@@ -1450,9 +1459,9 @@ check_and_exit:
(old_priv.custom_divisor != priv->custom_divisor))) {
change_speed(tty, port);
mutex_unlock(&priv->cfg_lock);
- }
- else
+ } else {
mutex_unlock(&priv->cfg_lock);
+ }
return 0;
}
@@ -1491,8 +1500,6 @@ static void ftdi_determine_type(struct usb_serial_port
*port)
dev_dbg(&port->dev, "%s: bcdDevice = 0x%x, bNumInterfaces = %u\n",
__func__,
version, interfaces);
if (interfaces > 1) {
- int inter;
-
/* Multiple interfaces.*/
if (version == 0x0800) {
priv->chip_type = FT4232H;
@@ -1502,20 +1509,26 @@ static void ftdi_determine_type(struct usb_serial_port
*port)
priv->chip_type = FT2232H;
/* Hi-speed - baud clock runs at 120MHz */
priv->baud_base = 120000000 / 2;
- } else
+ } else {
priv->chip_type = FT2232C;
+ }
/* Determine interface code. */
- inter = serial->interface->altsetting->desc.bInterfaceNumber;
- if (inter == 0) {
+ switch (serial->interface->altsetting->desc.bInterfaceNumber) {
+ case 0:
priv->interface = INTERFACE_A;
- } else if (inter == 1) {
+ break;
+ case 1:
priv->interface = INTERFACE_B;
- } else if (inter == 2) {
+ break;
+ case 2:
priv->interface = INTERFACE_C;
- } else if (inter == 3) {
+ break;
+ case 3:
priv->interface = INTERFACE_D;
+ break;
}
+
/* BM-type devices have a bug where bcdDevice gets set
* to 0x200 when iSerialNumber is 0. */
if (version < 0x500) {
@@ -1598,6 +1611,7 @@ static ssize_t latency_timer_show(struct device *dev,
{
struct usb_serial_port *port = to_usb_serial_port(dev);
struct ftdi_private *priv = usb_get_serial_port_data(port);
+
if (priv->flags & ASYNC_LOW_LATENCY)
return sprintf(buf, "1\n");
else
@@ -1710,6 +1724,7 @@ static int ftdi_sio_probe(struct usb_serial *serial,
if (quirk && quirk->probe) {
int ret = quirk->probe(serial);
+
if (ret != 0)
return ret;
}
@@ -1724,7 +1739,6 @@ static int ftdi_sio_port_probe(struct usb_serial_port
*port)
struct ftdi_private *priv;
struct ftdi_sio_quirk *quirk = usb_get_serial_data(port->serial);
-
priv = kzalloc(sizeof(struct ftdi_private), GFP_KERNEL);
if (!priv)
return -ENOMEM;
diff --git a/drivers/usb/serial/ftdi_sio_ids.h
b/drivers/usb/serial/ftdi_sio_ids.h
index f585eb7..c16d330 100644
--- a/drivers/usb/serial/ftdi_sio_ids.h
+++ b/drivers/usb/serial/ftdi_sio_ids.h
@@ -897,7 +897,7 @@
* Kondo Kagaku Co.Ltd.
* http://www.kondo-robot.com/EN
*/
-#define KONDO_VID 0x165c
+#define KONDO_VID 0x165c
#define KONDO_USB_SERIAL_PID 0x0002
/*
@@ -1284,7 +1284,7 @@
/*
* Accesio USB Data Acquisition products (http://www.accesio.com/)
*/
-#define ACCESIO_COM4SM_PID 0xD578
+#define ACCESIO_COM4SM_PID 0xD578
/* www.sciencescope.co.uk educational dataloggers */
#define FTDI_SCIENCESCOPE_LOGBOOKML_PID 0xFF18
--
1.9.3
--
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