[U-Boot] [PATCH 2/2] imx: serial_mxc: skip uart initilization
Jun Nie
jun.nie at linaro.org
Fri Mar 22 07:20:04 UTC 2019
Skip uart initilization if CONFIG_UART_SKIP_INIT is defined.
That's means earlier firmware already initialized the uart.
Signed-off-by: Jun Nie <jun.nie at linaro.org>
---
drivers/serial/serial_mxc.c | 4 ++++
1 file changed, 4 insertions(+)
diff --git a/drivers/serial/serial_mxc.c b/drivers/serial/serial_mxc.c
index 476df25..01c97a4 100644
--- a/drivers/serial/serial_mxc.c
+++ b/drivers/serial/serial_mxc.c
@@ -231,9 +231,11 @@ static int mxc_serial_tstc(void)
*/
static int mxc_serial_init(void)
{
+#ifndef CONFIG_UART_SKIP_INIT
_mxc_serial_init(mxc_base, false);
serial_setbrg();
+#endif
return 0;
}
@@ -276,7 +278,9 @@ static int mxc_serial_probe(struct udevice *dev)
{
struct mxc_serial_platdata *plat = dev->platdata;
+#ifndef CONFIG_UART_SKIP_INIT
_mxc_serial_init(plat->reg, plat->use_dte);
+#endif
return 0;
}
--
2.7.4
More information about the U-Boot
mailing list