diff options
Diffstat (limited to 'drivers/usb/gadget/acm_ms.c')
| -rw-r--r-- | drivers/usb/gadget/acm_ms.c | 17 |
1 files changed, 16 insertions, 1 deletions
diff --git a/drivers/usb/gadget/acm_ms.c b/drivers/usb/gadget/acm_ms.c index 4b947bb50f6..992ffb00272 100644 --- a/drivers/usb/gadget/acm_ms.c +++ b/drivers/usb/gadget/acm_ms.c @@ -104,6 +104,20 @@ static struct usb_gadget_strings *dev_strings[] = { /****************************** Configurations ******************************/ static struct fsg_module_parameters fsg_mod_data = { .stall = 1 }; +#ifdef CONFIG_USB_GADGET_DEBUG_FILES + +static unsigned int fsg_num_buffers = CONFIG_USB_GADGET_STORAGE_NUM_BUFFERS; + +#else + +/* + * Number of buffers we will use. + * 2 is usually enough for good buffering pipeline + */ +#define fsg_num_buffers CONFIG_USB_GADGET_STORAGE_NUM_BUFFERS + +#endif /* CONFIG_USB_DEBUG */ + FSG_MODULE_PARAMETERS(/* no prefix */, fsg_mod_data); static struct fsg_common fsg_common; @@ -167,7 +181,8 @@ static int __init acm_ms_bind(struct usb_composite_dev *cdev) void *retp; /* set up mass storage function */ - retp = fsg_common_from_params(&fsg_common, cdev, &fsg_mod_data); + retp = fsg_common_from_params(&fsg_common, cdev, &fsg_mod_data, + fsg_num_buffers); if (IS_ERR(retp)) { status = PTR_ERR(retp); return PTR_ERR(retp); |