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Commit b904d081 authored by Andrzej Pietrasiewicz's avatar Andrzej Pietrasiewicz Committed by Felipe Balbi
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usb: gadget: nokia: convert to new interface of f_ecm 



this will let us deprecate (and remove) the old interface.

Signed-off-by: default avatarAndrzej Pietrasiewicz <andrzej.p@samsung.com>
Signed-off-by: default avatarKyungmin Park <kyungmin.park@samsung.com>
Signed-off-by: default avatarFelipe Balbi <balbi@ti.com>
parent 0383070e

drivers/usb/gadget/Kconfig

+1 −0
Original line number Diff line number Diff line
@@ -862,6 +862,7 @@ config USB_G_NOKIA 
	select USB_F_ACM

	select USB_F_OBEX

	select USB_F_PHONET

	select USB_F_ECM

	help

	  The Nokia composite gadget provides support for acm, obex

	  and phonet in only one composite gadget driver.

drivers/usb/gadget/nokia.c

+35 −31
Original line number Diff line number Diff line
@@ -22,6 +22,7 @@ 
#include "u_serial.h"

#include "u_ether.h"

#include "u_phonet.h"

#include "u_ecm.h"

#include "gadget_chips.h"



/* Defines */
@@ -29,20 +30,6 @@ 
#define NOKIA_VERSION_NUM		0x0211

#define NOKIA_LONG_NAME			"N900 (PC-Suite Mode)"



/*-------------------------------------------------------------------------*/



/*

 * Kbuild is not very cooperative with respect to linking separately

 * compiled library objects into one module.  So for now we won't use

 * separate compilation ... ensuring init/exit sections work to shrink

 * 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_ECM_INCLUDED

#include "f_ecm.c"

#include "u_ether.h"



/*-------------------------------------------------------------------------*/

USB_GADGET_COMPOSITE_OPTIONS();



USB_ETHERNET_MODULE_PARAMETERS();
@@ -99,14 +86,14 @@ MODULE_LICENSE("GPL"); 
/*-------------------------------------------------------------------------*/

static struct usb_function *f_acm_cfg1;

static struct usb_function *f_acm_cfg2;

static u8 host_mac[ETH_ALEN];

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 struct usb_function *f_phonet_cfg1;

static struct usb_function *f_phonet_cfg2;

static struct eth_dev *the_dev;





static struct usb_configuration nokia_config_500ma_driver = {
@@ -126,6 +113,7 @@ 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 struct usb_function_instance *fi_phonet;
@@ -135,6 +123,7 @@ static int __init nokia_bind_config(struct usb_configuration *c) 
	struct usb_function *f_acm;

	struct usb_function *f_phonet = NULL;

	struct usb_function *f_obex1 = NULL;

	struct usb_function *f_ecm;

	struct usb_function *f_obex2 = NULL;

	int status = 0;

	int obex1_stat = 0;
@@ -165,6 +154,12 @@ static int __init nokia_bind_config(struct usb_configuration *c) 
		goto err_get_acm;

	}



	f_ecm = usb_get_function(fi_ecm);

	if (IS_ERR(f_ecm)) {

		status = PTR_ERR(f_ecm);

		goto err_get_ecm;

	}



	if (!IS_ERR_OR_NULL(f_phonet)) {

		phonet_stat = usb_add_function(c, f_phonet);

		if (phonet_stat)
@@ -187,18 +182,20 @@ static int __init nokia_bind_config(struct usb_configuration *c) 
	if (status)

		goto err_conf;



	status = ecm_bind_config(c, host_mac, the_dev);

	status = usb_add_function(c, f_ecm);

	if (status) {

		pr_debug("could not bind ecm config %d\n", status);

		goto err_ecm;

	}

	if (c == &nokia_config_500ma_driver) {

		f_acm_cfg1 = f_acm;

		f_ecm_cfg1 = f_ecm;

		f_phonet_cfg1 = f_phonet;

		f_obex1_cfg1 = f_obex1;

		f_obex2_cfg1 = f_obex2;

	} else {

		f_acm_cfg2 = f_acm;

		f_ecm_cfg2 = f_ecm;

		f_phonet_cfg2 = f_phonet;

		f_obex1_cfg2 = f_obex1;

		f_obex2_cfg2 = f_obex2;
@@ -214,6 +211,8 @@ static int __init nokia_bind_config(struct usb_configuration *c) 
		usb_remove_function(c, f_obex1);

	if (!phonet_stat)

		usb_remove_function(c, f_phonet);

	usb_put_function(f_ecm);

err_get_ecm:

	usb_put_function(f_acm);

err_get_acm:

	if (!IS_ERR_OR_NULL(f_obex2))
@@ -230,13 +229,6 @@ static int __init nokia_bind(struct usb_composite_dev *cdev) 
	struct usb_gadget	*gadget = cdev->gadget;

	int			status;



	the_dev = gether_setup(cdev->gadget, dev_addr, host_addr, host_mac,

			       qmult);

	if (IS_ERR(the_dev)) {

		status = PTR_ERR(the_dev);

		goto err_ether;

	}



	status = usb_string_ids_tab(cdev, strings_dev);

	if (status < 0)

		goto err_usb;
@@ -246,8 +238,10 @@ static int __init nokia_bind(struct usb_composite_dev *cdev) 
	nokia_config_500ma_driver.iConfiguration = status;

	nokia_config_100ma_driver.iConfiguration = status;



	if (!gadget_supports_altsettings(gadget))

	if (!gadget_supports_altsettings(gadget)) {

		status = -ENODEV;

		goto err_usb;

	}



	fi_phonet = usb_get_function_instance("phonet");

	if (IS_ERR(fi_phonet))
@@ -262,14 +256,22 @@ static int __init nokia_bind(struct usb_composite_dev *cdev) 
		pr_debug("could not find obex function 2\n");



	fi_acm = usb_get_function_instance("acm");

	if (IS_ERR(fi_acm))

	if (IS_ERR(fi_acm)) {

		status = PTR_ERR(fi_acm);

		goto err_obex2_inst;

	}



	fi_ecm = usb_get_function_instance("ecm");

	if (IS_ERR(fi_ecm)) {

		status = PTR_ERR(fi_ecm);

		goto err_acm_inst;

	}



	/* finally register the configuration */

	status = usb_add_config(cdev, &nokia_config_500ma_driver,

			nokia_bind_config);

	if (status < 0)

		goto err_acm_inst;

		goto err_ecm_inst;



	status = usb_add_config(cdev, &nokia_config_100ma_driver,

			nokia_bind_config);
@@ -289,6 +291,9 @@ static int __init nokia_bind(struct usb_composite_dev *cdev) 
		usb_put_function(f_obex2_cfg1);

	if (!IS_ERR_OR_NULL(f_phonet_cfg1))

		usb_put_function(f_phonet_cfg1);

	usb_put_function(f_ecm_cfg1);

err_ecm_inst:

	usb_put_function_instance(fi_ecm);

err_acm_inst:

	usb_put_function_instance(fi_acm);

err_obex2_inst:
@@ -299,8 +304,6 @@ static int __init nokia_bind(struct usb_composite_dev *cdev) 
	if (!IS_ERR(fi_phonet))

		usb_put_function_instance(fi_phonet);

err_usb:

	gether_cleanup(the_dev);

err_ether:

	return status;

}
@@ -320,7 +323,10 @@ static int __exit nokia_unbind(struct usb_composite_dev *cdev) 
		usb_put_function(f_phonet_cfg2);

	usb_put_function(f_acm_cfg1);

	usb_put_function(f_acm_cfg2);

	usb_put_function(f_ecm_cfg1);

	usb_put_function(f_ecm_cfg2);



	usb_put_function_instance(fi_ecm);

	if (!IS_ERR(fi_obex2))

		usb_put_function_instance(fi_obex2);

	if (!IS_ERR(fi_obex1))
@@ -329,8 +335,6 @@ static int __exit nokia_unbind(struct usb_composite_dev *cdev) 
		usb_put_function_instance(fi_phonet);

	usb_put_function_instance(fi_acm);



	gether_cleanup(the_dev);



	return 0;

}