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 --- Changes for v3: - used puts instead of printf - error message in one line
arch/powerpc/cpu/mpc8xxx/fdt.c | 5 +++++ 1 file changed, 5 insertions(+)
diff --git a/arch/powerpc/cpu/mpc8xxx/fdt.c b/arch/powerpc/cpu/mpc8xxx/fdt.c index 2847094..2db9045 100644 --- a/arch/powerpc/cpu/mpc8xxx/fdt.c +++ b/arch/powerpc/cpu/mpc8xxx/fdt.c @@ -167,6 +167,11 @@ void fdt_fixup_dr_usb(void *blob, bd_t *bd) } }
+ if (mode_idx < 0 || phy_idx < 0) { + puts("ERROR: wrong usb mode/phy defined!!\n"); + return; + } + dr_mode_type = modes[mode_idx]; dr_phy_type = phys[phy_idx];