Starting with sama5d2, the new UART revision has an hardware timer. So, add it
to the IP detection code and set the "has_hw_timer" property for it.
Signed-off-by: Nicolas Ferre <nicolas.ferre@xxxxxxxxx>
Reported-by: David Mosberger <davidm@xxxxxxxxxx>
---
v2: - add needed variable declaration
drivers/tty/serial/atmel_serial.c | 7 ++++---
1 file changed, 4 insertions(+), 3 deletions(-)
diff --git a/drivers/tty/serial/atmel_serial.c b/drivers/tty/serial/atmel_serial.c
index de5d32c31179..a4568b5ffe89 100644
--- a/drivers/tty/serial/atmel_serial.c
+++ b/drivers/tty/serial/atmel_serial.c
@@ -1710,15 +1710,16 @@ static void atmel_get_ip_name(struct uart_port *port)
struct atmel_uart_port *atmel_port = to_atmel_uart_port(port);
int name = atmel_uart_readl(port, ATMEL_US_NAME);
u32 version;
- u32 usart, dbgu_uart;
+ u32 usart, dbgu_uart, new_uart;
/* ASCII decoding for IP version */
usart = 0x55534152; /* USAR(T) */
dbgu_uart = 0x44424755; /* DBGU */
+ new_uart = 0x55415254; /* UART */
atmel_port->has_hw_timer = false;
- if (name == usart) {
- dev_dbg(port->dev, "Usart with hw timer\n");
+ if (name == usart || name == new_uart) {
+ dev_dbg(port->dev, "Usart or uart with hw timer\n");
atmel_port->has_hw_timer = true;
} else if (name == dbgu_uart) {
dev_dbg(port->dev, "Dbgu or uart without hw timer\n");
--
2.1.3
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