serial/arc: remove last remanants of platform data

Signed-off-by: Vineet Gupta <vgupta@synopsys.com>
Reviewed-by: Rob Herring <robh@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

diff --git a/drivers/tty/serial/arc_uart.c b/drivers/tty/serial/arc_uart.c
index 94d345bfd08dbe7c370a42a709eca54f09f5b958..68433adea35bddb728a449d54ea4ab7b3645fc14 100644 (file)
--- a/drivers/tty/serial/arc_uart.c
+++ b/drivers/tty/serial/arc_uart.c
@@ -37,8 +37,8 @@
 #include <linux/tty_flip.h>
 #include <linux/serial_core.h>
 #include <linux/io.h>
-#include <linux/of.h>
-#include <linux/of_platform.h>
+#include <linux/of_irq.h>
+#include <linux/of_address.h>
 
 /*************************************
  * ARC UART Hardware Specs
@@ -491,11 +491,9 @@ static struct uart_ops arc_serial_pops = {
 static int
 arc_uart_init_one(struct platform_device *pdev, int dev_id)
 {
-       struct resource *res, *res2;
+       struct device_node *np = pdev->dev.of_node;
        struct arc_uart_port *uart = &arc_uart_ports[dev_id];
        struct uart_port *port = &uart->port;
-
-       struct device_node *np = pdev->dev.of_node;
        u32 val;
 
        if (of_property_read_u32(np, "clock-frequency", &val)) {
@@ -510,21 +508,13 @@ arc_uart_init_one(struct platform_device *pdev, int dev_id)
        }
        uart->baud = val;
 
-       res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
-       if (!res)
-               return -ENODEV;
-
-       res2 = platform_get_resource(pdev, IORESOURCE_IRQ, 0);
-       if (!res2)
-               return -ENODEV;
-
-       port->mapbase = res->start;
-       port->membase = ioremap_nocache(res->start, resource_size(res));
+       port->membase = of_iomap(np, 0);
        if (!port->membase)
                /* No point of dev_err since UART itself is hosed here */
                return -ENXIO;
 
-       port->irq = res2->start;
+       port->irq = irq_of_parse_and_map(np, 0);
+
        port->dev = &pdev->dev;
        port->iotype = UPIO_MEM;
        port->flags = UPF_BOOT_AUTOCONF;