diff options
Diffstat (limited to 'drivers/usb/gadget/storage_common.c')
| -rw-r--r-- | drivers/usb/gadget/storage_common.c | 50 |
1 files changed, 48 insertions, 2 deletions
diff --git a/drivers/usb/gadget/storage_common.c b/drivers/usb/gadget/storage_common.c index 6523cb6f4c4..e76c8ced41e 100644 --- a/drivers/usb/gadget/storage_common.c +++ b/drivers/usb/gadget/storage_common.c @@ -33,6 +33,20 @@ * macro is defined prior to including this file. */ +/* + * When FSG_NO_INTR_EP is defined fsg_fs_intr_in_desc and + * fsg_hs_intr_in_desc objects as well as + * FSG_FS_FUNCTION_PRE_EP_ENTRIES and FSG_HS_FUNCTION_PRE_EP_ENTRIES + * macros are not defined. + * + * When FSG_NO_DEVICE_STRINGS is defined FSG_STRING_MANUFACTURER, + * FSG_STRING_PRODUCT, FSG_STRING_SERIAL and FSG_STRING_CONFIG are not + * defined (as well as corresponding entries in string tables are + * missing) and FSG_STRING_INTERFACE has value of zero. + * + * When FSG_NO_OTG is defined fsg_otg_desc won't be defined. + */ + #include <asm/unaligned.h> @@ -327,14 +341,17 @@ static inline u32 get_unaligned_be24(u8 *buf) enum { +#ifndef FSG_NO_DEVICE_STRINGS FSG_STRING_MANUFACTURER = 1, FSG_STRING_PRODUCT, FSG_STRING_SERIAL, FSG_STRING_CONFIG, +#endif FSG_STRING_INTERFACE }; +#ifndef FSG_NO_OTG static struct usb_otg_descriptor fsg_otg_desc = { .bLength = sizeof fsg_otg_desc, @@ -342,6 +359,7 @@ fsg_otg_desc = { .bmAttributes = USB_OTG_SRP, }; +#endif /* There is only one interface. */ @@ -380,6 +398,8 @@ fsg_fs_bulk_out_desc = { /* wMaxPacketSize set by autoconfiguration */ }; +#ifndef FSG_NO_INTR_EP + static struct usb_endpoint_descriptor fsg_fs_intr_in_desc = { .bLength = USB_DT_ENDPOINT_SIZE, @@ -391,15 +411,26 @@ fsg_fs_intr_in_desc = { .bInterval = 32, // frames -> 32 ms }; +#ifndef FSG_NO_OTG +# define FSG_FS_FUNCTION_PRE_EP_ENTRIES 2 +#else +# define FSG_FS_FUNCTION_PRE_EP_ENTRIES 1 +#endif + +#endif + static const struct usb_descriptor_header *fsg_fs_function[] = { +#ifndef FSG_NO_OTG (struct usb_descriptor_header *) &fsg_otg_desc, +#endif (struct usb_descriptor_header *) &fsg_intf_desc, (struct usb_descriptor_header *) &fsg_fs_bulk_in_desc, (struct usb_descriptor_header *) &fsg_fs_bulk_out_desc, +#ifndef FSG_NO_INTR_EP (struct usb_descriptor_header *) &fsg_fs_intr_in_desc, +#endif NULL, }; -#define FSG_FS_FUNCTION_PRE_EP_ENTRIES 2 /* @@ -431,6 +462,8 @@ fsg_hs_bulk_out_desc = { .bInterval = 1, // NAK every 1 uframe }; +#ifndef FSG_NO_INTR_EP + static struct usb_endpoint_descriptor fsg_hs_intr_in_desc = { .bLength = USB_DT_ENDPOINT_SIZE, @@ -442,15 +475,26 @@ fsg_hs_intr_in_desc = { .bInterval = 9, // 2**(9-1) = 256 uframes -> 32 ms }; +#ifndef FSG_NO_OTG +# define FSG_HS_FUNCTION_PRE_EP_ENTRIES 2 +#else +# define FSG_HS_FUNCTION_PRE_EP_ENTRIES 1 +#endif + +#endif + static const struct usb_descriptor_header *fsg_hs_function[] = { +#ifndef FSG_NO_OTG (struct usb_descriptor_header *) &fsg_otg_desc, +#endif (struct usb_descriptor_header *) &fsg_intf_desc, (struct usb_descriptor_header *) &fsg_hs_bulk_in_desc, (struct usb_descriptor_header *) &fsg_hs_bulk_out_desc, +#ifndef FSG_NO_INTR_EP (struct usb_descriptor_header *) &fsg_hs_intr_in_desc, +#endif NULL, }; -#define FSG_HS_FUNCTION_PRE_EP_ENTRIES 2 /* Maxpacket and other transfer characteristics vary by speed. */ static struct usb_endpoint_descriptor * @@ -465,10 +509,12 @@ fsg_ep_desc(struct usb_gadget *g, struct usb_endpoint_descriptor *fs, /* Static strings, in UTF-8 (for simplicity we use only ASCII characters) */ static struct usb_string fsg_strings[] = { +#ifndef FSG_NO_DEVICE_STRINGS {FSG_STRING_MANUFACTURER, fsg_string_manufacturer}, {FSG_STRING_PRODUCT, fsg_string_product}, {FSG_STRING_SERIAL, fsg_string_serial}, {FSG_STRING_CONFIG, fsg_string_config}, +#endif {FSG_STRING_INTERFACE, fsg_string_interface}, {} }; |