Signed-off-by: Andrzej Pietrasiewicz <andrzej.p@xxxxxxxxxxx>
Signed-off-by: Kyungmin Park <kyungmin.park@xxxxxxxxxxx>
---
drivers/usb/gadget/Kconfig | 1 +
drivers/usb/gadget/nokia.c | 114 ++++++++++++++++++++++++++++++--------------
2 files changed, 79 insertions(+), 36 deletions(-)
diff --git a/drivers/usb/gadget/Kconfig b/drivers/usb/gadget/Kconfig
index aaf1e62..266d529 100644
--- a/drivers/usb/gadget/Kconfig
+++ b/drivers/usb/gadget/Kconfig
@@ -935,6 +935,7 @@ config USB_G_NOKIA
select USB_U_ETHER
select USB_F_ACM
select USB_F_ECM
+ select USB_F_OBEX
help
The Nokia composite gadget provides support for acm, obex
and phonet in only one composite gadget driver.
diff --git a/drivers/usb/gadget/nokia.c b/drivers/usb/gadget/nokia.c
index 27da576..bb10019 100644
--- a/drivers/usb/gadget/nokia.c
+++ b/drivers/usb/gadget/nokia.c
@@ -16,6 +16,7 @@
*/
#include <linux/kernel.h>
+#include <linux/module.h>
#include <linux/device.h>
#include "u_serial.h"
@@ -38,8 +39,6 @@
* the runtime footprint, and giving us at least some parts of what
* a "gcc --combine ... part1.c part2.c part3.c ... " build would.
*/
-#define USBF_OBEX_INCLUDED
-#include "f_obex.c"
#include "f_phonet.c"
/*-------------------------------------------------------------------------*/
@@ -99,17 +98,13 @@ static struct usb_function *f_acm_cfg1;
static struct usb_function *f_acm_cfg2;
static struct usb_function *f_ecm_cfg1;
static struct usb_function *f_ecm_cfg2;
+static struct usb_function *f_obex1_cfg1;
+static struct usb_function *f_obex2_cfg1;
+static struct usb_function *f_obex1_cfg2;
+static struct usb_function *f_obex2_cfg2;
static u8 hostaddr[ETH_ALEN];
static struct eth_dev *the_dev;
-enum {
- TTY_PORT_OBEX0,
- TTY_PORT_OBEX1,
- TTY_PORTS_MAX,
-};
-
-static unsigned char tty_lines[TTY_PORTS_MAX];
-
static struct usb_configuration nokia_config_500ma_driver = {
.label = "Bus Powered",
.bConfigurationValue = 1,
@@ -128,29 +123,41 @@ static struct usb_configuration nokia_config_100ma_driver = {
static struct usb_function_instance *fi_acm;
static struct usb_function_instance *fi_ecm;
+static struct usb_function_instance *fi_obex1;
+static struct usb_function_instance *fi_obex2;
static int __init nokia_bind_config(struct usb_configuration *c)
{
struct usb_function *f_acm;
struct usb_function *f_ecm;
+ struct usb_function *f_obex1 = NULL;
+ struct usb_function *f_obex2 = NULL;
struct f_ecm_opts *ecm_opts;
int status = 0;
+ int obex1_stat = 0;
+ int obex2_stat = 0;
status = phonet_bind_config(c);
if (status)
printk(KERN_DEBUG "could not bind phonet config\n");
- status = obex_bind_config(c, tty_lines[TTY_PORT_OBEX0]);
- if (status)
- printk(KERN_DEBUG "could not bind obex config %d\n", 0);
+ if (!IS_ERR(fi_obex1)) {
+ f_obex1 = usb_get_function(fi_obex1);
+ if (IS_ERR(f_obex1))
+ printk(KERN_DEBUG "could not get obex function 0\n");
+ }
- status = obex_bind_config(c, tty_lines[TTY_PORT_OBEX1]);
- if (status)
- printk(KERN_DEBUG "could not bind obex config %d\n", 0);
+ if (!IS_ERR(fi_obex2)) {
+ f_obex2 = usb_get_function(fi_obex2);
+ if (IS_ERR(f_obex2))
+ printk(KERN_DEBUG "could not get obex function 1\n");
+ }
f_acm = usb_get_function(fi_acm);
- if (IS_ERR(f_acm))
- return PTR_ERR(f_acm);
+ if (IS_ERR(f_acm)) {
+ status = PTR_ERR(fi_acm);
+ goto err_get_acm;
+ }
ecm_opts = container_of(fi_ecm, struct f_ecm_opts, func_inst);
ecm_opts->ethaddr = hostaddr;
@@ -162,30 +169,56 @@ static int __init nokia_bind_config(struct usb_configuration *c)
goto err_get_ecm;
}
+ if (!IS_ERR_OR_NULL(f_obex1)) {
+ obex1_stat = usb_add_function(c, f_obex1);
+ if (obex1_stat)
+ printk(KERN_DEBUG "could not add obex function 0\n");
+ }
+
+ if (!IS_ERR_OR_NULL(f_obex2)) {
+ obex2_stat = usb_add_function(c, f_obex2);
+ if (obex2_stat)
+ printk(KERN_DEBUG "could not add obex function 1\n");
+ }
+
status = usb_add_function(c, f_acm);
if (status)
goto err_conf;
status = usb_add_function(c, f_ecm);
if (status) {
- pr_debug("could not bind ecm config %d\n", status);
+ pr_debug("could not add ecm function %d\n", status);
goto err_ecm;
}
+
if (c == &nokia_config_500ma_driver) {
f_acm_cfg1 = f_acm;
f_ecm_cfg1 = f_ecm;
+ f_obex1_cfg1 = f_obex1;
+ f_obex2_cfg1 = f_obex2;
} else {
f_acm_cfg2 = f_acm;
f_ecm_cfg2 = f_ecm;
+ f_obex1_cfg2 = f_obex1;
+ f_obex2_cfg2 = f_obex2;
}
return status;
err_ecm:
usb_remove_function(c, f_acm);
err_conf:
+ if (!obex2_stat)
+ usb_remove_function(c, f_obex2);
+ if (!obex1_stat)
+ usb_remove_function(c, f_obex1);
usb_put_function(f_ecm);
err_get_ecm:
usb_put_function(f_acm);
+err_get_acm:
+ if (!IS_ERR_OR_NULL(f_obex2))
+ usb_put_function(f_obex2);
+ if (!IS_ERR_OR_NULL(f_obex1))
+ usb_put_function(f_obex1);
return status;
}
@@ -193,18 +226,11 @@ static int __init nokia_bind(struct usb_composite_dev *cdev)
{
struct usb_gadget *gadget = cdev->gadget;
int status;
- int cur_line;
status = gphonet_setup(cdev->gadget);
if (status < 0)
goto err_phonet;
- for (cur_line = 0; cur_line < TTY_PORTS_MAX; cur_line++) {
- status = gserial_alloc_line(&tty_lines[cur_line]);
- if (status)
- goto err_ether;
- }
-
the_dev = gether_setup(cdev->gadget, hostaddr);
if (IS_ERR(the_dev)) {
status = PTR_ERR(the_dev);
@@ -225,10 +251,14 @@ static int __init nokia_bind(struct usb_composite_dev *cdev)
goto err_usb;
}
+ fi_obex1 = usb_get_function_instance("obex");
+
+ fi_obex2 = usb_get_function_instance("obex");
+
fi_acm = usb_get_function_instance("acm");
if (IS_ERR(fi_acm)) {
status = PTR_ERR(fi_acm);
- goto err_usb;
+ goto err_obex2_inst;
}
fi_ecm = usb_get_function_instance("ecm");
@@ -256,17 +286,22 @@ static int __init nokia_bind(struct usb_composite_dev *cdev)
err_put_cfg1:
usb_put_function(f_acm_cfg1);
usb_put_function(f_ecm_cfg1);
+ if (!IS_ERR_OR_NULL(f_obex1_cfg1))
+ usb_put_function(f_obex1_cfg1);
+ if (!IS_ERR_OR_NULL(f_obex2_cfg1))
+ usb_put_function(f_obex2_cfg1);
err_ecm_inst:
usb_put_function_instance(fi_ecm);
err_acm_inst:
usb_put_function_instance(fi_acm);
+err_obex2_inst:
+ if (!IS_ERR(fi_obex2))
+ usb_put_function_instance(fi_obex2);
+ if (!IS_ERR(fi_obex1))
+ usb_put_function_instance(fi_obex1);
err_usb:
gether_cleanup(the_dev);
err_ether:
- cur_line--;
- while (cur_line >= 0)
- gserial_free_line(tty_lines[cur_line--]);
-
gphonet_cleanup();
err_phonet:
return status;
@@ -274,19 +309,26 @@ err_phonet:
static int __exit nokia_unbind(struct usb_composite_dev *cdev)
{
- int i;
-
+ if (!IS_ERR_OR_NULL(f_obex1_cfg2))
+ usb_put_function(f_obex1_cfg2);
+ if (!IS_ERR_OR_NULL(f_obex2_cfg2))
+ usb_put_function(f_obex2_cfg2);
+ if (!IS_ERR_OR_NULL(f_obex1_cfg1))
+ usb_put_function(f_obex1_cfg1);
+ if (!IS_ERR_OR_NULL(f_obex2_cfg1))
+ usb_put_function(f_obex2_cfg1);
usb_put_function(f_acm_cfg1);
usb_put_function(f_acm_cfg2);
usb_put_function(f_ecm_cfg1);
usb_put_function(f_ecm_cfg2);
+ if (!IS_ERR(fi_obex1))
+ usb_put_function_instance(fi_obex1);
+ if (!IS_ERR(fi_obex2))
+ usb_put_function_instance(fi_obex2);
usb_put_function_instance(fi_acm);
usb_put_function_instance(fi_ecm);
gphonet_cleanup();
- for (i = 0; i < TTY_PORTS_MAX; i++)
- gserial_free_line(tty_lines[i]);
-
gether_cleanup(the_dev);
return 0;
--
1.7.0.4
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