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author | Andrzej Pietrasiewicz <andrzej.p@samsung.com> | 2013-05-23 09:22:07 +0200 |
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committer | Felipe Balbi <balbi@ti.com> | 2013-06-10 17:12:52 +0300 |
commit | 9575bcf9c0c98350c61964214c0c029dfed0c32e (patch) | |
tree | 49080e37a6b08288b3664a0f5032a22c78d89f23 /drivers/usb/gadget/ncm.c | |
parent | 40d133d7f542616cf9538508a372306e626a16e9 (diff) | |
download | op-kernel-dev-9575bcf9c0c98350c61964214c0c029dfed0c32e.zip op-kernel-dev-9575bcf9c0c98350c61964214c0c029dfed0c32e.tar.gz |
usb: gadget: ncm: convert to new function interface
Utilize our new configfs-based interface.
Signed-off-by: Andrzej Pietrasiewicz <andrzej.p@samsung.com>
Signed-off-by: Kyungmin Park <kyungmin.park@samsung.com>
Signed-off-by: Felipe Balbi <balbi@ti.com>
Diffstat (limited to 'drivers/usb/gadget/ncm.c')
-rw-r--r-- | drivers/usb/gadget/ncm.c | 57 |
1 files changed, 35 insertions, 22 deletions
diff --git a/drivers/usb/gadget/ncm.c b/drivers/usb/gadget/ncm.c index e2f97ee..81956fe 100644 --- a/drivers/usb/gadget/ncm.c +++ b/drivers/usb/gadget/ncm.c @@ -24,23 +24,12 @@ #include <linux/usb/composite.h> #include "u_ether.h" +#include "u_ncm.h" #define DRIVER_DESC "NCM Gadget" /*-------------------------------------------------------------------------*/ -/* - * 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 USB_FNCM_INCLUDED -#include "f_ncm.c" - -/*-------------------------------------------------------------------------*/ - /* DO NOT REUSE THESE IDs with a protocol-incompatible driver!! Ever!! * Instead: allocate your own, using normal USB-IF procedures. */ @@ -113,13 +102,15 @@ static struct usb_gadget_strings *dev_strings[] = { NULL, }; -struct eth_dev *the_dev; -static u8 host_mac[ETH_ALEN]; +static struct usb_function_instance *f_ncm_inst; +static struct usb_function *f_ncm; /*-------------------------------------------------------------------------*/ static int __init ncm_do_config(struct usb_configuration *c) { + int status; + /* FIXME alloc iConfiguration string, set it in c->strings */ if (gadget_is_otg(c->cdev->gadget)) { @@ -127,7 +118,19 @@ static int __init ncm_do_config(struct usb_configuration *c) c->bmAttributes |= USB_CONFIG_ATT_WAKEUP; } - return ncm_bind_config(c, host_mac, the_dev); + f_ncm = usb_get_function(f_ncm_inst); + if (IS_ERR(f_ncm)) { + status = PTR_ERR(f_ncm); + return status; + } + + status = usb_add_function(c, f_ncm); + if (status < 0) { + usb_put_function(f_ncm); + return status; + } + + return 0; } static struct usb_configuration ncm_config_driver = { @@ -143,13 +146,20 @@ static struct usb_configuration ncm_config_driver = { static int __init gncm_bind(struct usb_composite_dev *cdev) { struct usb_gadget *gadget = cdev->gadget; + struct f_ncm_opts *ncm_opts; int status; - /* set up network link layer */ - the_dev = gether_setup(cdev->gadget, dev_addr, host_addr, host_mac, - qmult); - if (IS_ERR(the_dev)) - return PTR_ERR(the_dev); + f_ncm_inst = usb_get_function_instance("ncm"); + if (IS_ERR(f_ncm_inst)) + return PTR_ERR(f_ncm_inst); + + ncm_opts = container_of(f_ncm_inst, struct f_ncm_opts, func_inst); + + gether_set_qmult(ncm_opts->net, qmult); + if (!gether_set_host_addr(ncm_opts->net, host_addr)) + pr_info("using host ethernet address: %s", host_addr); + if (!gether_set_dev_addr(ncm_opts->net, dev_addr)) + pr_info("using self ethernet address: %s", dev_addr); /* Allocate string descriptor numbers ... note that string * contents can be overridden by the composite_dev glue. @@ -172,13 +182,16 @@ static int __init gncm_bind(struct usb_composite_dev *cdev) return 0; fail: - gether_cleanup(the_dev); + usb_put_function_instance(f_ncm_inst); return status; } static int __exit gncm_unbind(struct usb_composite_dev *cdev) { - gether_cleanup(the_dev); + if (!IS_ERR_OR_NULL(f_ncm)) + usb_put_function(f_ncm); + if (!IS_ERR_OR_NULL(f_ncm_inst)) + usb_put_function_instance(f_ncm_inst); return 0; } |