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-rw-r--r--common/usb_storage.c4
1 files changed, 4 insertions, 0 deletions
diff --git a/common/usb_storage.c b/common/usb_storage.c
index bdc306f..0cd6399 100644
--- a/common/usb_storage.c
+++ b/common/usb_storage.c
@@ -155,11 +155,15 @@ struct us_data {
trans_cmnd transport; /* transport routine */
};
+#ifdef CONFIG_USB_EHCI
/*
* The U-Boot EHCI driver cannot handle more than 5 page aligned buffers
* of 4096 bytes in a transfer without running itself out of qt_buffers
*/
#define USB_MAX_XFER_BLK(start, blksz) (((4096 * 5) - (start % 4096)) / blksz)
+#else
+#define USB_MAX_XFER_BLK(start, blksz) 20
+#endif
static struct us_data usb_stor[USB_MAX_STOR_DEV];