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-rw-r--r--drivers/tty/serial/msm_serial.c9
1 files changed, 9 insertions, 0 deletions
diff --git a/drivers/tty/serial/msm_serial.c b/drivers/tty/serial/msm_serial.c
index 28b8ac4..a051dc5 100644
--- a/drivers/tty/serial/msm_serial.c
+++ b/drivers/tty/serial/msm_serial.c
@@ -232,6 +232,15 @@ static void msm_serial_set_mnd_regs_tcxoby4(struct uart_port *port)
static void msm_serial_set_mnd_regs(struct uart_port *port)
{
+ struct msm_port *msm_port = UART_TO_MSM(port);
+
+ /*
+ * These registers don't exist so we change the clk input rate
+ * on uartdm hardware instead
+ */
+ if (msm_port->is_uartdm)
+ return;
+
if (port->uartclk == 19200000)
msm_serial_set_mnd_regs_tcxo(port);
else if (port->uartclk == 4800000)