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

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Date:   Fri, 16 Mar 2018 16:22:31 +0100
From:   Greg Kroah-Hartman <gregkh@...uxfoundation.org>
To:     linux-kernel@...r.kernel.org
Cc:     Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        stable@...r.kernel.org,
        Jonas Danielsson <jonas@...ital-systems.com>,
        Richard Genoud <richard.genoud@...il.com>,
        Nicolas Ferre <nicolas.ferre@...rochip.com>
Subject: [PATCH 4.15 010/128] tty/serial: atmel: add new version check for usart

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

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

From: Jonas Danielsson <jonas@...ital-systems.com>

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@...ital-systems.com>
Acked-by: Richard Genoud <richard.genoud@...il.com>
Acked-by: Nicolas Ferre <nicolas.ferre@...rochip.com>
Cc: stable <stable@...r.kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@...uxfoundation.org>

---
 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;