tree 490076b6d5b1ff9a39fc06221c1fb929226d1d44
parent 8e1947774e39f18912fb2fb130e1c5bba0db0d79
author Patrick Delaunay <patrick.delaunay@st.com> 1561123601 +0200
committer Patrick Delaunay <patrick.delaunay@st.com> 1562925054 +0200

serial: stm32: Fix warnings when compiling with W=1

This patch solves the following warnings:

drivers/serial/serial_stm32.c: In function 'stm32_serial_probe':
warning: comparison of unsigned expression < 0 is always false [-Wtype-limits]
  if (plat->clock_rate < 0) {
                       ^

Signed-off-by: Patrice Chotard <patrice.chotard@st.com>
Signed-off-by: Patrick Delaunay <patrick.delaunay@st.com>