Messages in this thread Patch in this message | | | From | Nicolas Ferre <> | Subject | [PATCH v2 2/2] serial: atmel: add support for new UART version | Date | Tue, 26 Jan 2016 11:26:15 +0100 |
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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@atmel.com> Reported-by: David Mosberger <davidm@egauge.net> --- 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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