diff options
Diffstat (limited to 'drivers/usb')
| -rw-r--r-- | drivers/usb/host/ehci-fsl.c | 10 |
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); |