diff options
Diffstat (limited to 'drivers/tty/serial/vt8500_serial.c')
| -rw-r--r-- | drivers/tty/serial/vt8500_serial.c | 10 |
1 files changed, 9 insertions, 1 deletions
diff --git a/drivers/tty/serial/vt8500_serial.c b/drivers/tty/serial/vt8500_serial.c index 5fb59c53abf..a3f9dd5c9df 100644 --- a/drivers/tty/serial/vt8500_serial.c +++ b/drivers/tty/serial/vt8500_serial.c @@ -610,7 +610,15 @@ static int vt8500_serial_probe(struct platform_device *pdev) vt8500_port->uart.line = port; vt8500_port->uart.dev = &pdev->dev; vt8500_port->uart.flags = UPF_IOREMAP | UPF_BOOT_AUTOCONF; - vt8500_port->uart.uartclk = clk_get_rate(vt8500_port->clk); + + vt8500_port->clk = of_clk_get(pdev->dev.of_node, 0); + if (!IS_ERR(vt8500_port->clk)) { + vt8500_port->uart.uartclk = clk_get_rate(vt8500_port->clk); + } else { + /* use the default of 24Mhz if not specified and warn */ + pr_warn("%s: serial clock source not specified\n", __func__); + vt8500_port->uart.uartclk = 24000000; + } snprintf(vt8500_port->name, sizeof(vt8500_port->name), "VT8500 UART%d", pdev->id); |