Enforce disabling of firmware disk drivers when native drivers kick in.

grub-core/bus/usb/ehci.c

@@ -28,6 +28,7 @@
 #include <grub/time.h>
 #include <grub/loader.h>
 #include <grub/cs5536.h>
+#include <grub/disk.h>
 
 GRUB_MOD_LICENSE ("GPLv3+");
 
@@ -1909,6 +1910,9 @@ GRUB_MOD_INIT (ehci)
 {
   COMPILE_TIME_ASSERT (sizeof (struct grub_ehci_td) == 64);
   COMPILE_TIME_ASSERT (sizeof (struct grub_ehci_qh) == 96);
+
+  grub_stop_disk_firmware ();
+
   grub_boot_time ("Initing EHCI hardware");
   grub_ehci_inithw ();
   grub_boot_time ("Registering EHCI driver");

grub-core/bus/usb/ohci.c

@@ -28,6 +28,7 @@
 #include <grub/time.h>
 #include <grub/cs5536.h>
 #include <grub/loader.h>
+#include <grub/disk.h>
 
 GRUB_MOD_LICENSE ("GPLv3+");
 
@@ -1442,6 +1443,9 @@ GRUB_MOD_INIT(ohci)
 {
   COMPILE_TIME_ASSERT (sizeof (struct grub_ohci_td) == 32);
   COMPILE_TIME_ASSERT (sizeof (struct grub_ohci_ed) == 16);
+
+  grub_stop_disk_firmware ();
+
   grub_ohci_inithw ();
   grub_usb_controller_dev_register (&usb_controller);
   fini_hnd = grub_loader_register_preboot_hook (grub_ohci_fini_hw,

grub-core/bus/usb/uhci.c

@@ -866,6 +866,8 @@ static struct grub_usb_controller_dev usb_controller =
 
 GRUB_MOD_INIT(uhci)
 {
+  grub_stop_disk_firmware ();
+
   grub_uhci_inithw ();
   grub_usb_controller_dev_register (&usb_controller);
   grub_dprintf ("uhci", "registered\n");