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path: root/drivers/usb/host
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Diffstat (limited to 'drivers/usb/host')
-rw-r--r--drivers/usb/host/ehci-fsl.c10
1 files changed, 10 insertions, 0 deletions
diff --git a/drivers/usb/host/ehci-fsl.c b/drivers/usb/host/ehci-fsl.c
index 3fd9e13..1d012db 100644
--- a/drivers/usb/host/ehci-fsl.c
+++ b/drivers/usb/host/ehci-fsl.c
@@ -14,6 +14,7 @@
#include <asm/io.h>
#include <usb/ehci-fsl.h>
#include <hwconfig.h>
+#include <asm/fsl_errata.h>
#include "ehci.h"
@@ -47,6 +48,15 @@ int ehci_hcd_init(int index, enum usb_init_type init,
usb_phy[0] = '\0';
#endif
+ if (has_erratum_a007075()) {
+ /*
+ * A 5ms delay is needed after applying soft-reset to the
+ * controller to let external ULPI phy come out of reset.
+ * This delay needs to be added before re-initializing
+ * the controller after soft-resetting completes
+ */
+ mdelay(5);
+ }
memset(current_usb_controller, '\0', 5);
snprintf(current_usb_controller, 4, "usb%d", index+1);