Fix USB device-tree fixup to properly handle device-tree fixup and print appropriate message when wrong/junk "dr_mode" or "phy_type" are mentioned in hwconfig string

Signed-off-by: Ramneek Mehresh ramneek.mehresh@freescale.com ---

arch/powerpc/cpu/mpc8xxx/fdt.c | 6 ++++++ 1 file changed, 6 insertions(+)

diff --git a/arch/powerpc/cpu/mpc8xxx/fdt.c b/arch/powerpc/cpu/mpc8xxx/fdt.c index 2847094..413e184 100644 --- a/arch/powerpc/cpu/mpc8xxx/fdt.c +++ b/arch/powerpc/cpu/mpc8xxx/fdt.c @@ -167,6 +167,12 @@ void fdt_fixup_dr_usb(void *blob, bd_t *bd) } }

+ if (mode_idx < 0 || phy_idx < 0) { + printf("WARNING: wrong usb mode/phy" + " defined!!\n"); + return; + } + dr_mode_type = modes[mode_idx]; dr_phy_type = phys[phy_idx];