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 <[email protected]>
Signed-off-by: Patrick Delaunay <[email protected]>
---
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);
--
2.7.4
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