On Wed, 17 Aug 2022 at 07:44, Sughosh Ganu <sughosh.g...@linaro.org> wrote: ..... > diff --git a/lib/fwu_updates/fwu.c b/lib/fwu_updates/fwu.c > new file mode 100644 > index 0000000000..9808036eec > --- /dev/null > +++ b/lib/fwu_updates/fwu.c > @@ -0,0 +1,22 @@ > +// SPDX-License-Identifier: GPL-2.0-or-later > +/* > + * Copyright (c) 2022, Linaro Limited > + */ > + > +#include <fwu.h> > +#include <fwu_mdata.h> > + > +__weak int fwu_plat_get_update_index(u32 *update_idx) > +{ > + int ret; > + u32 active_idx; > + > + ret = fwu_get_active_index(&active_idx); > + > + if (ret < 0) > + return -1; > + > + *update_idx = active_idx ^= 0x1; > + It shoud be *update_idx = (active_idx + 1) % CONFIG_FWU_NUM_BANKS;
cheers.