diff options
Diffstat (limited to 'drivers/usb/gadget')
| -rw-r--r-- | drivers/usb/gadget/Kconfig | 10 | ||||
| -rw-r--r-- | drivers/usb/gadget/f_fastboot.c | 14 |
2 files changed, 20 insertions, 4 deletions
diff --git a/drivers/usb/gadget/Kconfig b/drivers/usb/gadget/Kconfig index b612d39a8e..e2dc7807a0 100644 --- a/drivers/usb/gadget/Kconfig +++ b/drivers/usb/gadget/Kconfig @@ -57,7 +57,15 @@ config USB_GADGET_FASTBOOT bool select BANNER select FILE_LIST - select IMAGE_SPARSE prompt "Android Fastboot support" +config USB_GADGET_FASTBOOT_SPARSE + bool + select IMAGE_SPARSE + prompt "Enable Fastboot sparse image support" + help + Sparse images are a way for the fastboot protocol to write + images that are bigger than the available memory. If unsure, + say yes here. + endif diff --git a/drivers/usb/gadget/f_fastboot.c b/drivers/usb/gadget/f_fastboot.c index 87a43cc60e..8da317f83a 100644 --- a/drivers/usb/gadget/f_fastboot.c +++ b/drivers/usb/gadget/f_fastboot.c @@ -322,8 +322,10 @@ static int fastboot_bind(struct usb_configuration *c, struct usb_function *f) fb_setvar(var, "0.4"); var = fb_addvar(f_fb, "bootloader-version"); fb_setvar(var, release_string); - var = fb_addvar(f_fb, "max-download-size"); - fb_setvar(var, "%u", fastboot_max_download_size); + if (IS_ENABLED(USB_GADGET_FASTBOOT_SPARSE)) { + var = fb_addvar(f_fb, "max-download-size"); + fb_setvar(var, "%u", fastboot_max_download_size); + } if (IS_ENABLED(CONFIG_BAREBOX_UPDATE) && opts->export_bbu) bbu_handlers_iterate(fastboot_add_bbu_variables, f_fb); @@ -906,6 +908,11 @@ static void cb_flash(struct usb_ep *ep, struct usb_request *req, const char *cmd filename = fentry->filename; if (filetype == filetype_android_sparse) { + if (!IS_ENABLED(USB_GADGET_FASTBOOT_SPARSE)) { + fastboot_tx_print(f_fb, "FAILsparse image not supported"); + return; + } + ret = fastboot_handle_sparse(f_fb, fentry); if (ret) { fastboot_tx_print(f_fb, "FAILwriting sparse image: %s", @@ -1172,7 +1179,8 @@ static void rx_handler_command(struct usb_ep *ep, struct usb_request *req) static int fastboot_globalvars_init(void) { - globalvar_add_simple_int("usbgadget.fastboot_max_download_size", + if (IS_ENABLED(USB_GADGET_FASTBOOT_SPARSE)) + globalvar_add_simple_int("usbgadget.fastboot_max_download_size", &fastboot_max_download_size, "%u"); return 0; |