diff options
| author | Ingo Molnar <mingo@elte.hu> | 2008-10-15 13:46:29 +0200 |
|---|---|---|
| committer | Ingo Molnar <mingo@elte.hu> | 2008-10-15 13:46:29 +0200 |
| commit | b2aaf8f74cdc84a9182f6cabf198b7763bcb9d40 (patch) | |
| tree | 53ccb1c2c14751fe69cf93102e76e97021f6df07 /drivers/usb/gadget/gadget_chips.h | |
| parent | 4f962d4d65923d7b722192e729840cfb79af0a5a (diff) | |
| parent | 278429cff8809958d25415ba0ed32b59866ab1a8 (diff) | |
Merge branch 'linus' into stackprotector
Conflicts:
arch/x86/kernel/Makefile
include/asm-x86/pda.h
Diffstat (limited to 'drivers/usb/gadget/gadget_chips.h')
| -rw-r--r-- | drivers/usb/gadget/gadget_chips.h | 33 |
1 files changed, 31 insertions, 2 deletions
diff --git a/drivers/usb/gadget/gadget_chips.h b/drivers/usb/gadget/gadget_chips.h index f7f159c1002..17d9905101b 100644 --- a/drivers/usb/gadget/gadget_chips.h +++ b/drivers/usb/gadget/gadget_chips.h @@ -11,6 +11,10 @@ * Some are available on 2.4 kernels; several are available, but not * yet pushed in the 2.6 mainline tree. */ + +#ifndef __GADGET_CHIPS_H +#define __GADGET_CHIPS_H + #ifdef CONFIG_USB_GADGET_NET2280 #define gadget_is_net2280(g) !strcmp("net2280", (g)->name) #else @@ -29,8 +33,8 @@ #define gadget_is_dummy(g) 0 #endif -#ifdef CONFIG_USB_GADGET_PXA2XX -#define gadget_is_pxa(g) !strcmp("pxa2xx_udc", (g)->name) +#ifdef CONFIG_USB_GADGET_PXA25X +#define gadget_is_pxa(g) !strcmp("pxa25x_udc", (g)->name) #else #define gadget_is_pxa(g) 0 #endif @@ -214,3 +218,28 @@ static inline int usb_gadget_controller_number(struct usb_gadget *gadget) return 0x21; return -ENOENT; } + + +/** + * gadget_supports_altsettings - return true if altsettings work + * @gadget: the gadget in question + */ +static inline bool gadget_supports_altsettings(struct usb_gadget *gadget) +{ + /* PXA 21x/25x/26x has no altsettings at all */ + if (gadget_is_pxa(gadget)) + return false; + + /* PXA 27x and 3xx have *broken* altsetting support */ + if (gadget_is_pxa27x(gadget)) + return false; + + /* SH3 hardware just doesn't do altsettings */ + if (gadget_is_sh(gadget)) + return false; + + /* Everything else is *presumably* fine ... */ + return true; +} + +#endif /* __GADGET_CHIPS_H */ |