
This patch solves the following warnings: drivers/adc/stm32-adc.c: In function 'stm32_adc_chan_of_init': warning: comparison between signed and unsigned integer expressions [-Wsign-compare] if (num_channels > adc->cfg->max_channels) { ^ Signed-off-by: Patrice Chotard <patrice.chotard@st.com> Signed-off-by: Patrick Delaunay <patrick.delaunay@st.com> Acked-by: Fabrice Gasnier <fabrice.gasnier@st.com>