diff options
Diffstat (limited to 'drivers/tty/serial/vt8500_serial.c')
| -rw-r--r-- | drivers/tty/serial/vt8500_serial.c | 16 |
1 files changed, 5 insertions, 11 deletions
diff --git a/drivers/tty/serial/vt8500_serial.c b/drivers/tty/serial/vt8500_serial.c index a3f9dd5..1a8bc22 100644 --- a/drivers/tty/serial/vt8500_serial.c +++ b/drivers/tty/serial/vt8500_serial.c @@ -35,6 +35,7 @@ #include <linux/clk.h> #include <linux/platform_device.h> #include <linux/of.h> +#include <linux/err.h> /* * UART Register offsets @@ -585,9 +586,9 @@ static int vt8500_serial_probe(struct platform_device *pdev) if (!vt8500_port) return -ENOMEM; - vt8500_port->uart.membase = devm_request_and_ioremap(&pdev->dev, mmres); - if (!vt8500_port->uart.membase) - return -EADDRNOTAVAIL; + vt8500_port->uart.membase = devm_ioremap_resource(&pdev->dev, mmres); + if (IS_ERR(vt8500_port->uart.membase)) + return PTR_ERR(vt8500_port->uart.membase); vt8500_port->clk = of_clk_get(pdev->dev.of_node, 0); if (IS_ERR(vt8500_port->clk)) { @@ -611,14 +612,7 @@ static int vt8500_serial_probe(struct platform_device *pdev) vt8500_port->uart.dev = &pdev->dev; vt8500_port->uart.flags = UPF_IOREMAP | UPF_BOOT_AUTOCONF; - 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; - } + vt8500_port->uart.uartclk = clk_get_rate(vt8500_port->clk); snprintf(vt8500_port->name, sizeof(vt8500_port->name), "VT8500 UART%d", pdev->id); |
