[PATCH 4.15 010/128] tty/serial: atmel: add new version check for usart

From: Greg Kroah-Hartman
Date: Fri Mar 16 2018 - 12:26:57 EST


4.15-stable review patch. If anyone has any objections, please let me know.

------------------

From: Jonas Danielsson <jonas@xxxxxxxxxxxxxxxxxxx>

commit fd63a8903a2c40425a9811c3371dd4d0f42c0ad3 upstream.

On our at91sam9260 based board the usart0 and usart1 ports report
their versions (ATMEL_US_VERSION) as 0x10302. This version is not
included in the current checks in the driver.

Signed-off-by: Jonas Danielsson <jonas@xxxxxxxxxxxxxxxxxxx>
Acked-by: Richard Genoud <richard.genoud@xxxxxxxxx>
Acked-by: Nicolas Ferre <nicolas.ferre@xxxxxxxxxxxxx>
Cc: stable <stable@xxxxxxxxxxxxxxx>
Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>

---
drivers/tty/serial/atmel_serial.c | 1 +
1 file changed, 1 insertion(+)

--- a/drivers/tty/serial/atmel_serial.c
+++ b/drivers/tty/serial/atmel_serial.c
@@ -1734,6 +1734,7 @@ static void atmel_get_ip_name(struct uar
switch (version) {
case 0x302:
case 0x10213:
+ case 0x10302:
dev_dbg(port->dev, "This version is usart\n");
atmel_port->has_frac_baudrate = true;
atmel_port->has_hw_timer = true;