diff options
Diffstat (limited to 'patches.tizen/1162-usb-gadget-g_ffs-convert-to-new-interface-of-f_ecm.patch')
-rw-r--r-- | patches.tizen/1162-usb-gadget-g_ffs-convert-to-new-interface-of-f_ecm.patch | 192 |
1 files changed, 192 insertions, 0 deletions
diff --git a/patches.tizen/1162-usb-gadget-g_ffs-convert-to-new-interface-of-f_ecm.patch b/patches.tizen/1162-usb-gadget-g_ffs-convert-to-new-interface-of-f_ecm.patch new file mode 100644 index 00000000000..17b54e8ea4a --- /dev/null +++ b/patches.tizen/1162-usb-gadget-g_ffs-convert-to-new-interface-of-f_ecm.patch @@ -0,0 +1,192 @@ +From 6c5cfcc81bf4cdd696c3841aeab808e67f2ef41d Mon Sep 17 00:00:00 2001 +From: Andrzej Pietrasiewicz <andrzej.p@samsung.com> +Date: Tue, 3 Dec 2013 15:15:23 +0100 +Subject: [PATCH 1162/1302] usb: gadget: g_ffs: convert to new interface of + f_ecm + +There is a new funtion interface and g_ffs is the last gadget to use the old. + +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> +Signed-off-by: MyungJoo Ham <myungjoo.ham@samsung.com> +--- + drivers/usb/gadget/Kconfig | 1 + + drivers/usb/gadget/g_ffs.c | 93 +++++++++++++++++++++++++++++++++++++++------- + 2 files changed, 80 insertions(+), 14 deletions(-) + +diff --git a/drivers/usb/gadget/Kconfig b/drivers/usb/gadget/Kconfig +index 17890bc..27dcada 100644 +--- a/drivers/usb/gadget/Kconfig ++++ b/drivers/usb/gadget/Kconfig +@@ -893,6 +893,7 @@ config USB_FUNCTIONFS_ETH + bool "Include configuration with CDC ECM (Ethernet)" + depends on USB_FUNCTIONFS && NET + select USB_U_ETHER ++ select USB_F_ECM + help + Include a configuration with CDC ECM function (Ethernet) and the + Function Filesystem. +diff --git a/drivers/usb/gadget/g_ffs.c b/drivers/usb/gadget/g_ffs.c +index e954082..cda4c5d 100644 +--- a/drivers/usb/gadget/g_ffs.c ++++ b/drivers/usb/gadget/g_ffs.c +@@ -28,8 +28,7 @@ + # define USB_ETH_RNDIS y + # endif + +-#define USBF_ECM_INCLUDED +-# include "f_ecm.c" ++# include "u_ecm.h" + #define USB_FSUBSET_INCLUDED + # include "f_subset.c" + # ifdef USB_ETH_RNDIS +@@ -39,11 +38,15 @@ + # endif + # include "u_ether.h" + ++USB_ETHERNET_MODULE_PARAMETERS(); ++ + static u8 gfs_host_mac[ETH_ALEN]; + static struct eth_dev *the_dev; + # ifdef CONFIG_USB_FUNCTIONFS_ETH + 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; + # endif + #else + # define the_dev NULL +@@ -76,10 +79,6 @@ struct gfs_ffs_obj { + + USB_GADGET_COMPOSITE_OPTIONS(); + +-#if defined CONFIG_USB_FUNCTIONFS_ETH || defined CONFIG_USB_FUNCTIONFS_RNDIS +-USB_ETHERNET_MODULE_PARAMETERS(); +-#endif +- + static struct usb_device_descriptor gfs_dev_desc = { + .bLength = sizeof gfs_dev_desc, + .bDescriptorType = USB_DT_DEVICE, +@@ -355,14 +354,50 @@ static int gfs_bind(struct usb_composite_dev *cdev) + + if (missing_funcs) + return -ENODEV; +-#if defined CONFIG_USB_FUNCTIONFS_ETH || defined CONFIG_USB_FUNCTIONFS_RNDIS ++#if defined CONFIG_USB_FUNCTIONFS_ETH ++ if (can_support_ecm(cdev->gadget)) { ++ struct f_ecm_opts *ecm_opts; ++ ++ fi_ecm = usb_get_function_instance("ecm"); ++ 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); ++ } else { ++ the_dev = gether_setup(cdev->gadget, dev_addr, host_addr, ++ gfs_host_mac, qmult); ++ } ++ ++#elif defined CONFIG_USB_FUNCTIONFS_RNDIS ++ + the_dev = gether_setup(cdev->gadget, dev_addr, host_addr, gfs_host_mac, + qmult); + #endif +- if (IS_ERR(the_dev)) { +- ret = PTR_ERR(the_dev); +- goto error_quick; ++ if (IS_ERR(the_dev)) ++ return PTR_ERR(the_dev); ++ ++#if defined CONFIG_USB_FUNCTIONFS_RNDIS && defined CONFIG_USB_FUNCTIONFS_ETH ++ 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); + } ++#endif + + ret = usb_string_ids_tab(cdev, gfs_strings); + if (unlikely(ret < 0)) +@@ -398,9 +433,16 @@ error_unbind: + for (i = 0; i < func_num; i++) + functionfs_unbind(ffs_tab[i].ffs_data); + error: ++#if defined CONFIG_USB_FUNCTIONFS_ETH ++ if (can_support_ecm(cdev->gadget)) ++ usb_put_function_instance(fi_ecm); ++ else ++ gether_cleanup(the_dev); ++ the_dev = NULL; ++#elif defined CONFIG_USB_FUNCTIONFS_RNDIS + gether_cleanup(the_dev); + the_dev = NULL; +-error_quick: ++#endif + return ret; + } + +@@ -413,8 +455,19 @@ static int gfs_unbind(struct usb_composite_dev *cdev) + + ENTER(); + ++ ++#if defined CONFIG_USB_FUNCTIONFS_ETH ++ if (can_support_ecm(cdev->gadget)) { ++ usb_put_function(f_ecm); ++ usb_put_function_instance(fi_ecm); ++ } else { ++ gether_cleanup(the_dev); ++ } ++ the_dev = NULL; ++#elif defined CONFIG_USB_FUNCTIONFS_RNDIS + gether_cleanup(the_dev); + the_dev = NULL; ++#endif + + /* + * We may have been called in an error recovery from +@@ -483,9 +536,21 @@ static int gfs_do_config(struct usb_configuration *c) + static int eth_bind_config(struct usb_configuration *c, u8 ethaddr[ETH_ALEN], + struct eth_dev *dev) + { +- return can_support_ecm(c->cdev->gadget) +- ? ecm_bind_config(c, ethaddr, dev) +- : geth_bind_config(c, ethaddr, dev); ++ int status = 0; ++ ++ if (can_support_ecm(c->cdev->gadget)) { ++ f_ecm = usb_get_function(fi_ecm); ++ if (IS_ERR(f_ecm)) ++ return PTR_ERR(f_ecm); ++ ++ status = usb_add_function(c, f_ecm); ++ if (status < 0) ++ usb_put_function(f_ecm); ++ ++ } else { ++ status = geth_bind_config(c, ethaddr, dev); ++ } ++ return status; + } + + #endif +-- +1.8.3.2 + |