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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.patch192
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
+