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-rw-r--r--sys/dev/usb/controller/xhci.h2
1 files changed, 1 insertions, 1 deletions
diff --git a/sys/dev/usb/controller/xhci.h b/sys/dev/usb/controller/xhci.h
index ee5b4b0..e8bc9ad 100644
--- a/sys/dev/usb/controller/xhci.h
+++ b/sys/dev/usb/controller/xhci.h
@@ -30,7 +30,7 @@
#define XHCI_MAX_DEVICES MIN(USB_MAX_DEVICES, 128)
#define XHCI_MAX_ENDPOINTS 32 /* hardcoded - do not change */
-#define XHCI_MAX_SCRATCHPADS 1024
+#define XHCI_MAX_SCRATCHPADS 256 /* theoretical max is 1023 */
#define XHCI_MAX_EVENTS (16 * 13)
#define XHCI_MAX_COMMANDS (16 * 1)
#define XHCI_MAX_RSEG 1
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