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USB fixes for 3.10-rc6

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Here are some small USB driver fixes that resolve some reported problems
 for 3.10-rc6
 
 Nothing major, just 3 USB serial driver fixes, and two chipidea fixes.
 
 Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Merge tag 'usb-3.10-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb

Pull USB fixes from Greg Kroah-Hartman:
 "Here are some small USB driver fixes that resolve some reported
  problems for 3.10-rc6

  Nothing major, just 3 USB serial driver fixes, and two chipidea fixes"

* tag 'usb-3.10-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb:
  usb: chipidea: fix id change handling
  usb: chipidea: fix no transceiver case
  USB: pl2303: fix device initialisation at open
  USB: spcp8x5: fix device initialisation at open
  USB: f81232: fix device initialisation at open
This commit is contained in:
Linus Torvalds 2013-06-14 19:14:39 -10:00
commit 3ad2e318a2
5 changed files with 23 additions and 21 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

3
drivers/usb/chipidea/core.c
View File

@ -276,8 +276,9 @@ static void ci_role_work(struct work_struct *work)
ci_role_stop(ci);
ci_role_start(ci, role);
enable_irq(ci->irq);
}
enable_irq(ci->irq);
}
static irqreturn_t ci_irq(int irq, void *data)

13
drivers/usb/chipidea/udc.c
View File

@ -1678,8 +1678,11 @@ static int udc_start(struct ci13xxx *ci)
ci->gadget.ep0 = &ci->ep0in->ep;
if (ci->global_phy)
if (ci->global_phy) {
ci->transceiver = usb_get_phy(USB_PHY_TYPE_USB2);
if (IS_ERR(ci->transceiver))
ci->transceiver = NULL;
}
if (ci->platdata->flags & CI13XXX_REQUIRE_TRANSCEIVER) {
if (ci->transceiver == NULL) {
@ -1694,7 +1697,7 @@ static int udc_start(struct ci13xxx *ci)
goto put_transceiver;
}
if (!IS_ERR_OR_NULL(ci->transceiver)) {
if (ci->transceiver) {
retval = otg_set_peripheral(ci->transceiver->otg,
&ci->gadget);
if (retval)
@ -1711,7 +1714,7 @@ static int udc_start(struct ci13xxx *ci)
return retval;
remove_trans:
if (!IS_ERR_OR_NULL(ci->transceiver)) {
if (ci->transceiver) {
otg_set_peripheral(ci->transceiver->otg, NULL);
if (ci->global_phy)
usb_put_phy(ci->transceiver);
@ -1719,7 +1722,7 @@ remove_trans:
dev_err(dev, "error = %i\n", retval);
put_transceiver:
if (!IS_ERR_OR_NULL(ci->transceiver) && ci->global_phy)
if (ci->transceiver && ci->global_phy)
usb_put_phy(ci->transceiver);
destroy_eps:
destroy_eps(ci);
@ -1747,7 +1750,7 @@ static void udc_stop(struct ci13xxx *ci)
dma_pool_destroy(ci->td_pool);
dma_pool_destroy(ci->qh_pool);
if (!IS_ERR_OR_NULL(ci->transceiver)) {
if (ci->transceiver) {
otg_set_peripheral(ci->transceiver->otg, NULL);
if (ci->global_phy)
usb_put_phy(ci->transceiver);

8
drivers/usb/serial/f81232.c
View File

@ -165,11 +165,12 @@ static void f81232_set_termios(struct tty_struct *tty,
/* FIXME - Stubbed out for now */
/* Don't change anything if nothing has changed */
if (!tty_termios_hw_change(&tty->termios, old_termios))
if (old_termios && !tty_termios_hw_change(&tty->termios, old_termios))
return;
/* Do the real work here... */
tty_termios_copy_hw(&tty->termios, old_termios);
if (old_termios)
tty_termios_copy_hw(&tty->termios, old_termios);
}
static int f81232_tiocmget(struct tty_struct *tty)
@ -187,12 +188,11 @@ static int f81232_tiocmset(struct tty_struct *tty,
static int f81232_open(struct tty_struct *tty, struct usb_serial_port *port)
{
struct ktermios tmp_termios;
int result;
/* Setup termios */
if (tty)
f81232_set_termios(tty, port, &tmp_termios);
f81232_set_termios(tty, port, NULL);
result = usb_submit_urb(port->interrupt_in_urb, GFP_KERNEL);
if (result) {

10
drivers/usb/serial/pl2303.c
View File

@ -284,7 +284,7 @@ static void pl2303_set_termios(struct tty_struct *tty,
serial settings even to the same values as before. Thus
we actually need to filter in this specific case */
if (!tty_termios_hw_change(&tty->termios, old_termios))
if (old_termios && !tty_termios_hw_change(&tty->termios, old_termios))
return;
cflag = tty->termios.c_cflag;
@ -293,7 +293,8 @@ static void pl2303_set_termios(struct tty_struct *tty,
if (!buf) {
dev_err(&port->dev, "%s - out of memory.\n", __func__);
/* Report back no change occurred */
tty->termios = *old_termios;
if (old_termios)
tty->termios = *old_termios;
return;
}
@ -433,7 +434,7 @@ static void pl2303_set_termios(struct tty_struct *tty,
control = priv->line_control;
if ((cflag & CBAUD) == B0)
priv->line_control &= ~(CONTROL_DTR | CONTROL_RTS);
else if ((old_termios->c_cflag & CBAUD) == B0)
else if (old_termios && (old_termios->c_cflag & CBAUD) == B0)
priv->line_control |= (CONTROL_DTR | CONTROL_RTS);
if (control != priv->line_control) {
control = priv->line_control;
@ -492,7 +493,6 @@ static void pl2303_close(struct usb_serial_port *port)
static int pl2303_open(struct tty_struct *tty, struct usb_serial_port *port)
{
struct ktermios tmp_termios;
struct usb_serial *serial = port->serial;
struct pl2303_serial_private *spriv = usb_get_serial_data(serial);
int result;
@ -508,7 +508,7 @@ static int pl2303_open(struct tty_struct *tty, struct usb_serial_port *port)
/* Setup termios */
if (tty)
pl2303_set_termios(tty, port, &tmp_termios);
pl2303_set_termios(tty, port, NULL);
result = usb_submit_urb(port->interrupt_in_urb, GFP_KERNEL);
if (result) {

10
drivers/usb/serial/spcp8x5.c
View File

@ -291,7 +291,6 @@ static void spcp8x5_set_termios(struct tty_struct *tty,
struct spcp8x5_private *priv = usb_get_serial_port_data(port);
unsigned long flags;
unsigned int cflag = tty->termios.c_cflag;
unsigned int old_cflag = old_termios->c_cflag;
unsigned short uartdata;
unsigned char buf[2] = {0, 0};
int baud;
@ -299,15 +298,15 @@ static void spcp8x5_set_termios(struct tty_struct *tty,
u8 control;
/* check that they really want us to change something */
if (!tty_termios_hw_change(&tty->termios, old_termios))
if (old_termios && !tty_termios_hw_change(&tty->termios, old_termios))
return;
/* set DTR/RTS active */
spin_lock_irqsave(&priv->lock, flags);
control = priv->line_control;
if ((old_cflag & CBAUD) == B0) {
if (old_termios && (old_termios->c_cflag & CBAUD) == B0) {
priv->line_control |= MCR_DTR;
if (!(old_cflag & CRTSCTS))
if (!(old_termios->c_cflag & CRTSCTS))
priv->line_control |= MCR_RTS;
}
if (control != priv->line_control) {
@ -394,7 +393,6 @@ static void spcp8x5_set_termios(struct tty_struct *tty,
static int spcp8x5_open(struct tty_struct *tty, struct usb_serial_port *port)
{
struct ktermios tmp_termios;
struct usb_serial *serial = port->serial;
struct spcp8x5_private *priv = usb_get_serial_port_data(port);
int ret;
@ -411,7 +409,7 @@ static int spcp8x5_open(struct tty_struct *tty, struct usb_serial_port *port)
spcp8x5_set_ctrl_line(port, priv->line_control);
if (tty)
spcp8x5_set_termios(tty, port, &tmp_termios);
spcp8x5_set_termios(tty, port, NULL);
port->port.drain_delay = 256;