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usb: gadget: g_ffs: convert to new interface of f_subset

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There is a new function interface of f_subset and g_ffs is the last to use
the old one.

Signed-off-by: Andrzej Pietrasiewicz <andrzej.p@samsung.com>
Signed-off-by: Kyungmin Park <kyungmin.park@samsung.com>
Acked-by: Michal Nazarewicz <mina86@mina86.com>
Signed-off-by: Felipe Balbi <balbi@ti.com>
This commit is contained in:
Andrzej Pietrasiewicz 2013-12-03 15:15:25 +01:00 committed by Felipe Balbi
parent f1a2ca2e4b
commit 85aec59fab
2 changed files with 48 additions and 22 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

1
drivers/usb/gadget/Kconfig
View File

@ -896,6 +896,7 @@ config USB_FUNCTIONFS_ETH
depends on USB_FUNCTIONFS && NET
select USB_U_ETHER
select USB_F_ECM
select USB_F_SUBSET
help
Include a configuration with CDC ECM function (Ethernet) and the
Function Filesystem.

69
drivers/usb/gadget/g_ffs.c
View File

@ -21,6 +21,8 @@
* a "gcc --combine ... part1.c part2.c part3.c ... " build would.
*/
#if defined CONFIG_USB_FUNCTIONFS_ETH || defined CONFIG_USB_FUNCTIONFS_RNDIS
#include <linux/netdevice.h>
# if defined USB_ETH_RNDIS
# undef USB_ETH_RNDIS
# endif
@ -29,8 +31,7 @@
# endif
# include "u_ecm.h"
#define USB_FSUBSET_INCLUDED
# include "f_subset.c"
# include "u_gether.h"
# ifdef USB_ETH_RNDIS
# define USB_FRNDIS_INCLUDED
# include "f_rndis.c"
@ -47,6 +48,8 @@ static int eth_bind_config(struct usb_configuration *c, u8 ethaddr[ETH_ALEN],
struct eth_dev *dev);
static struct usb_function_instance *fi_ecm;
static struct usb_function *f_ecm;
static struct usb_function_instance *fi_geth;
static struct usb_function *f_geth;
# endif
#else
# define the_dev NULL
@ -348,6 +351,9 @@ static void functionfs_release_dev_callback(struct ffs_data *ffs_data)
*/
static int gfs_bind(struct usb_composite_dev *cdev)
{
#if defined CONFIG_USB_FUNCTIONFS_ETH
struct net_device *net;
#endif
int ret, i;
ENTER();
@ -362,19 +368,25 @@ static int gfs_bind(struct usb_composite_dev *cdev)
if (IS_ERR(fi_ecm))
return PTR_ERR(fi_ecm);
ecm_opts = container_of(fi_ecm, struct f_ecm_opts, func_inst);
gether_set_qmult(ecm_opts->net, qmult);
if (!gether_set_host_addr(ecm_opts->net, host_addr))
pr_info("using host ethernet address: %s", host_addr);
if (!gether_set_dev_addr(ecm_opts->net, dev_addr))
pr_info("using self ethernet address: %s", dev_addr);
the_dev = netdev_priv(ecm_opts->net);
net = ecm_opts->net;
} else {
the_dev = gether_setup(cdev->gadget, dev_addr, host_addr,
gfs_host_mac, qmult);
struct f_gether_opts *geth_opts;
fi_geth = usb_get_function_instance("geth");
if (IS_ERR(fi_geth))
return PTR_ERR(fi_geth);
geth_opts = container_of(fi_geth, struct f_gether_opts,
func_inst);
net = geth_opts->net;
}
gether_set_qmult(net, qmult);
if (!gether_set_host_addr(net, host_addr))
pr_info("using host ethernet address: %s", host_addr);
if (!gether_set_dev_addr(net, dev_addr))
pr_info("using self ethernet address: %s", dev_addr);
the_dev = netdev_priv(net);
#elif defined CONFIG_USB_FUNCTIONFS_RNDIS
@ -385,18 +397,24 @@ static int gfs_bind(struct usb_composite_dev *cdev)
return PTR_ERR(the_dev);
#if defined CONFIG_USB_FUNCTIONFS_RNDIS && defined CONFIG_USB_FUNCTIONFS_ETH
gether_set_gadget(net, cdev->gadget);
ret = gether_register_netdev(net);
if (ret)
goto error;
if (can_support_ecm(cdev->gadget)) {
struct f_ecm_opts *ecm_opts;
ecm_opts = container_of(fi_ecm, struct f_ecm_opts, func_inst);
gether_set_gadget(ecm_opts->net, cdev->gadget);
ret = gether_register_netdev(ecm_opts->net);
if (ret)
goto error;
ecm_opts->bound = true;
gether_get_host_addr_u8(ecm_opts->net, gfs_host_mac);
} else {
struct f_gether_opts *geth_opts;
geth_opts = container_of(fi_geth, struct f_gether_opts,
func_inst);
geth_opts->bound = true;
}
gether_get_host_addr_u8(net, gfs_host_mac);
#endif
ret = usb_string_ids_tab(cdev, gfs_strings);
@ -437,7 +455,7 @@ error:
if (can_support_ecm(cdev->gadget))
usb_put_function_instance(fi_ecm);
else
gether_cleanup(the_dev);
usb_put_function_instance(fi_geth);
the_dev = NULL;
#elif defined CONFIG_USB_FUNCTIONFS_RNDIS
gether_cleanup(the_dev);
@ -461,7 +479,8 @@ static int gfs_unbind(struct usb_composite_dev *cdev)
usb_put_function(f_ecm);
usb_put_function_instance(fi_ecm);
} else {
gether_cleanup(the_dev);
usb_put_function(f_geth);
usb_put_function_instance(fi_geth);
}
the_dev = NULL;
#elif defined CONFIG_USB_FUNCTIONFS_RNDIS
@ -548,7 +567,13 @@ static int eth_bind_config(struct usb_configuration *c, u8 ethaddr[ETH_ALEN],
usb_put_function(f_ecm);
} else {
status = geth_bind_config(c, ethaddr, dev);
f_geth = usb_get_function(fi_geth);
if (IS_ERR(f_geth))
return PTR_ERR(f_geth);
status = usb_add_function(c, f_geth);
if (status < 0)
usb_put_function(f_geth);
}
return status;
}