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-rw-r--r--include/linux/usb/composite.h3
1 files changed, 3 insertions, 0 deletions
diff --git a/include/linux/usb/composite.h b/include/linux/usb/composite.h
index 4616a49a1c2e..667d20454a21 100644
--- a/include/linux/usb/composite.h
+++ b/include/linux/usb/composite.h
@@ -53,6 +53,9 @@
/* big enough to hold our biggest descriptor */
#define USB_COMP_EP0_BUFSIZ 1024
+/* OS feature descriptor length <= 4kB */
+#define USB_COMP_EP0_OS_DESC_BUFSIZ 4096
+
#define USB_MS_TO_HS_INTERVAL(x) (ilog2((x * 1000 / 125)) + 1)
struct usb_configuration;