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 ---
drivers/serial/serial_stm32.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-)
diff --git a/drivers/serial/serial_stm32.c b/drivers/serial/serial_stm32.c index cca8b70..3ab536a 100644 --- a/drivers/serial/serial_stm32.c +++ b/drivers/serial/serial_stm32.c @@ -195,9 +195,9 @@ static int stm32_serial_probe(struct udevice *dev) }
plat->clock_rate = clk_get_rate(&clk); - if (plat->clock_rate < 0) { + if (!plat->clock_rate) { clk_disable(&clk); - return plat->clock_rate; + return -EINVAL; };
_stm32_serial_init(plat->base, plat->uart_info);