diff options
Diffstat (limited to 'drivers/usb/gadget')
| -rw-r--r-- | drivers/usb/gadget/android.c | 4 | ||||
| -rw-r--r-- | drivers/usb/gadget/f_rndis.c | 21 | ||||
| -rw-r--r-- | drivers/usb/gadget/tegra_udc.c | 19 | ||||
| -rw-r--r-- | drivers/usb/gadget/u_ether.h | 23 |
4 files changed, 45 insertions, 22 deletions
diff --git a/drivers/usb/gadget/android.c b/drivers/usb/gadget/android.c index 7b3185ff188a..9f79c267890e 100644 --- a/drivers/usb/gadget/android.c +++ b/drivers/usb/gadget/android.c @@ -399,8 +399,8 @@ static int rndis_function_bind_config(struct android_usb_function *f, rndis_control_intf.bInterfaceProtocol = 0x03; } - return rndis_bind_config(c, rndis->ethaddr, rndis->vendorID, - rndis->manufacturer); + return rndis_bind_config_vendor(c, rndis->ethaddr, rndis->vendorID, + rndis->manufacturer); } static void rndis_function_unbind_config(struct android_usb_function *f, diff --git a/drivers/usb/gadget/f_rndis.c b/drivers/usb/gadget/f_rndis.c index f187b9eee9e5..25cb5fc8b263 100644 --- a/drivers/usb/gadget/f_rndis.c +++ b/drivers/usb/gadget/f_rndis.c @@ -774,9 +774,10 @@ rndis_bind(struct usb_configuration *c, struct usb_function *f) rndis_set_param_medium(rndis->config, NDIS_MEDIUM_802_3, 0); rndis_set_host_mac(rndis->config, rndis->ethaddr); - if (rndis_set_param_vendor(rndis->config, rndis->vendorID, - rndis->manufacturer)) - goto fail; + if (rndis->manufacturer && rndis->vendorID && + rndis_set_param_vendor(rndis->config, rndis->vendorID, + rndis->manufacturer)) + goto fail; /* NOTE: all that is done without knowing or caring about * the network link ... which is unavailable to this code @@ -844,20 +845,8 @@ static inline bool can_support_rndis(struct usb_configuration *c) return true; } -/** - * rndis_bind_config - add RNDIS network link to a configuration - * @c: the configuration to support the network link - * @ethaddr: a buffer in which the ethernet address of the host side - * side of the link was recorded - * Context: single threaded during gadget setup - * - * Returns zero on success, else negative errno. - * - * Caller must have called @gether_setup(). Caller is also responsible - * for calling @gether_cleanup() before module unload. - */ int -rndis_bind_config(struct usb_configuration *c, u8 ethaddr[ETH_ALEN], +rndis_bind_config_vendor(struct usb_configuration *c, u8 ethaddr[ETH_ALEN], u32 vendorID, const char *manufacturer) { struct f_rndis *rndis; diff --git a/drivers/usb/gadget/tegra_udc.c b/drivers/usb/gadget/tegra_udc.c index c130dae3a8e9..074a9b1ce6d9 100644 --- a/drivers/usb/gadget/tegra_udc.c +++ b/drivers/usb/gadget/tegra_udc.c @@ -52,8 +52,8 @@ #include "tegra_udc.h" -#define DRIVER_DESC "Nvidia Tegra High-Speed USB SOC \ - Device Controller driver" +#define DRIVER_DESC "Nvidia Tegra High-Speed USB SOC " \ + "Device Controller driver" #define DRIVER_AUTHOR "Venkat Moganty/Rakesh Bodla" #define DRIVER_VERSION "Apr 30, 2012" @@ -95,6 +95,11 @@ static const u8 tegra_udc_test_packet[53] = { 0xfc, 0x7e, 0xbf, 0xdf, 0xef, 0xf7, 0xfb, 0xfd, 0x7e }; +#ifdef CONFIG_MACH_COLIBRI_T20 +/* To limit the speed of USB to full speed */ +extern int g_usb_high_speed; +#endif /* CONFIG_MACH_COLIBRI_T20 */ + static struct tegra_udc *the_udc; #ifdef CONFIG_TEGRA_GADGET_BOOST_CPU_FREQ @@ -253,6 +258,16 @@ static int dr_controller_reset(struct tegra_udc *udc) cpu_relax(); } +#ifdef CONFIG_MACH_COLIBRI_T20 + /* To limit the speed of USB to full speed */ + if (!g_usb_high_speed) { + tmp = udc_readl(udc, PORTSCX_REG_OFFSET); + tmp |= PORTSCX_PORT_FORCE_FULL_SPEED; + udc_writel(udc, tmp, PORTSCX_REG_OFFSET); + tmp = udc_readl(udc, PORTSCX_REG_OFFSET); + } +#endif /* CONFIG_MACH_COLIBRI_T20 */ + DBG("%s(%d) END\n", __func__, __LINE__); return 0; } diff --git a/drivers/usb/gadget/u_ether.h b/drivers/usb/gadget/u_ether.h index 46772413f0db..c32227ebac0b 100644 --- a/drivers/usb/gadget/u_ether.h +++ b/drivers/usb/gadget/u_ether.h @@ -111,13 +111,13 @@ int eem_bind_config(struct usb_configuration *c); #ifdef USB_ETH_RNDIS -int rndis_bind_config(struct usb_configuration *c, u8 ethaddr[ETH_ALEN], +int rndis_bind_config_vendor(struct usb_configuration *c, u8 ethaddr[ETH_ALEN], u32 vendorID, const char *manufacturer); #else static inline int -rndis_bind_config(struct usb_configuration *c, u8 ethaddr[ETH_ALEN], +rndis_bind_config_vendor(struct usb_configuration *c, u8 ethaddr[ETH_ALEN], u32 vendorID, const char *manufacturer) { return 0; @@ -125,4 +125,23 @@ rndis_bind_config(struct usb_configuration *c, u8 ethaddr[ETH_ALEN], #endif +/** + * rndis_bind_config - add RNDIS network link to a configuration + * @c: the configuration to support the network link + * @ethaddr: a buffer in which the ethernet address of the host side + * side of the link was recorded + * Context: single threaded during gadget setup + * + * Returns zero on success, else negative errno. + * + * Caller must have called @gether_setup(). Caller is also responsible + * for calling @gether_cleanup() before module unload. + */ +static inline int rndis_bind_config(struct usb_configuration *c, + u8 ethaddr[ETH_ALEN]) +{ + return rndis_bind_config_vendor(c, ethaddr, 0, NULL); +} + + #endif /* __U_ETHER_H */ |