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authorArnd Bergmann <arnd@arndb.de>2012-11-12 22:54:08 +0100
committerArnd Bergmann <arnd@arndb.de>2012-11-12 22:54:08 +0100
commit8a6ff8a0a2bc51b29681aab093b349c9eb32acf5 (patch)
tree7ee7315a4aa9b33cba73cf46e59187157a00866a /drivers/usb/serial/usb_wwan.c
parent65829ef5a0b9bdffa34b35479853d24e547cfde8 (diff)
parent75984df05d86956541795f01e62d7dc67bc522fd (diff)
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Merge tag 'for-3.8-at91_header_clean' of git://github.com/at91linux/linux-at91 into next/headers
From Jean-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.com>: arm: at91: mach header cleanup This first patch serie start the cleanup of the header in mach by moving all the platform data to include/linux/platform_data and move the board header and drivers header next to them * tag 'for-3.8-at91_header_clean' of git://github.com/at91linux/linux-at91: arm: at91: move at91rm9200 rtc header in drivers/rtc arm: at91: move reset controller header to arm/arm/mach-at91 arm: at91: move pit define to the driver arm: at91: move at91_shdwc.h to arch/arm/mach-at91 arm: at91: move board header to arch/arm/mach-at91 arn: at91: move at91_tc.h to arch/arm/mach-at91 arm: at91 move at91_aic.h to arch/arm/mach-at91 arm: at91 move board.h to arch/arm/mach-at91 arm: at91: move platfarm_data to include/linux/platform_data/atmel.h arm: at91: drop machine defconfig Signed-off-by: Jean-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.com> Cc: Nicolas Ferre <nicolas.ferre@atmel.com> Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Diffstat (limited to 'drivers/usb/serial/usb_wwan.c')
-rw-r--r--drivers/usb/serial/usb_wwan.c124
1 files changed, 50 insertions, 74 deletions
diff --git a/drivers/usb/serial/usb_wwan.c b/drivers/usb/serial/usb_wwan.c
index e42aa398ed37..61a73ad1a187 100644
--- a/drivers/usb/serial/usb_wwan.c
+++ b/drivers/usb/serial/usb_wwan.c
@@ -447,10 +447,12 @@ void usb_wwan_close(struct usb_serial_port *port)
EXPORT_SYMBOL(usb_wwan_close);
/* Helper functions used by usb_wwan_setup_urbs */
-static struct urb *usb_wwan_setup_urb(struct usb_serial *serial, int endpoint,
+static struct urb *usb_wwan_setup_urb(struct usb_serial_port *port,
+ int endpoint,
int dir, void *ctx, char *buf, int len,
void (*callback) (struct urb *))
{
+ struct usb_serial *serial = port->serial;
struct urb *urb;
if (endpoint == -1)
@@ -472,101 +474,75 @@ static struct urb *usb_wwan_setup_urb(struct usb_serial *serial, int endpoint,
return urb;
}
-/* Setup urbs */
-static void usb_wwan_setup_urbs(struct usb_serial *serial)
+int usb_wwan_port_probe(struct usb_serial_port *port)
{
- int i, j;
- struct usb_serial_port *port;
struct usb_wwan_port_private *portdata;
+ struct urb *urb;
+ u8 *buffer;
+ int err;
+ int i;
- for (i = 0; i < serial->num_ports; i++) {
- port = serial->port[i];
- portdata = usb_get_serial_port_data(port);
+ portdata = kzalloc(sizeof(*portdata), GFP_KERNEL);
+ if (!portdata)
+ return -ENOMEM;
- /* Do indat endpoints first */
- for (j = 0; j < N_IN_URB; ++j) {
- portdata->in_urbs[j] = usb_wwan_setup_urb(serial,
- port->
- bulk_in_endpointAddress,
- USB_DIR_IN,
- port,
- portdata->
- in_buffer[j],
- IN_BUFLEN,
- usb_wwan_indat_callback);
- }
+ init_usb_anchor(&portdata->delayed);
- /* outdat endpoints */
- for (j = 0; j < N_OUT_URB; ++j) {
- portdata->out_urbs[j] = usb_wwan_setup_urb(serial,
- port->
- bulk_out_endpointAddress,
- USB_DIR_OUT,
- port,
- portdata->
- out_buffer
- [j],
- OUT_BUFLEN,
- usb_wwan_outdat_callback);
- }
+ for (i = 0; i < N_IN_URB; i++) {
+ buffer = (u8 *)__get_free_page(GFP_KERNEL);
+ if (!buffer)
+ goto bail_out_error;
+ portdata->in_buffer[i] = buffer;
+
+ urb = usb_wwan_setup_urb(port, port->bulk_in_endpointAddress,
+ USB_DIR_IN, port,
+ buffer, IN_BUFLEN,
+ usb_wwan_indat_callback);
+ portdata->in_urbs[i] = urb;
}
-}
-
-int usb_wwan_startup(struct usb_serial *serial)
-{
- int i, j, err;
- struct usb_serial_port *port;
- struct usb_wwan_port_private *portdata;
- u8 *buffer;
- /* Now setup per port private data */
- for (i = 0; i < serial->num_ports; i++) {
- port = serial->port[i];
- portdata = kzalloc(sizeof(*portdata), GFP_KERNEL);
- if (!portdata) {
- dev_dbg(&port->dev, "%s: kmalloc for usb_wwan_port_private (%d) failed!.\n",
- __func__, i);
- return 1;
- }
- init_usb_anchor(&portdata->delayed);
+ for (i = 0; i < N_OUT_URB; i++) {
+ if (port->bulk_out_endpointAddress == -1)
+ continue;
- for (j = 0; j < N_IN_URB; j++) {
- buffer = (u8 *) __get_free_page(GFP_KERNEL);
- if (!buffer)
- goto bail_out_error;
- portdata->in_buffer[j] = buffer;
- }
+ buffer = kmalloc(OUT_BUFLEN, GFP_KERNEL);
+ if (!buffer)
+ goto bail_out_error2;
+ portdata->out_buffer[i] = buffer;
- for (j = 0; j < N_OUT_URB; j++) {
- buffer = kmalloc(OUT_BUFLEN, GFP_KERNEL);
- if (!buffer)
- goto bail_out_error2;
- portdata->out_buffer[j] = buffer;
- }
+ urb = usb_wwan_setup_urb(port, port->bulk_out_endpointAddress,
+ USB_DIR_OUT, port,
+ buffer, OUT_BUFLEN,
+ usb_wwan_outdat_callback);
+ portdata->out_urbs[i] = urb;
+ }
- usb_set_serial_port_data(port, portdata);
+ usb_set_serial_port_data(port, portdata);
- if (!port->interrupt_in_urb)
- continue;
+ if (port->interrupt_in_urb) {
err = usb_submit_urb(port->interrupt_in_urb, GFP_KERNEL);
if (err)
dev_dbg(&port->dev, "%s: submit irq_in urb failed %d\n",
__func__, err);
}
- usb_wwan_setup_urbs(serial);
+
return 0;
bail_out_error2:
- for (j = 0; j < N_OUT_URB; j++)
- kfree(portdata->out_buffer[j]);
+ for (i = 0; i < N_OUT_URB; i++) {
+ usb_free_urb(portdata->out_urbs[i]);
+ kfree(portdata->out_buffer[i]);
+ }
bail_out_error:
- for (j = 0; j < N_IN_URB; j++)
- if (portdata->in_buffer[j])
- free_page((unsigned long)portdata->in_buffer[j]);
+ for (i = 0; i < N_IN_URB; i++) {
+ usb_free_urb(portdata->in_urbs[i]);
+ free_page((unsigned long)portdata->in_buffer[i]);
+ }
kfree(portdata);
- return 1;
+
+ return -ENOMEM;
}
-EXPORT_SYMBOL(usb_wwan_startup);
+EXPORT_SYMBOL_GPL(usb_wwan_port_probe);
int usb_wwan_port_remove(struct usb_serial_port *port)
{