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path: root/drivers/tty/serial/vt8500_serial.c
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Diffstat (limited to 'drivers/tty/serial/vt8500_serial.c')
-rw-r--r--drivers/tty/serial/vt8500_serial.c10
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);