Signed-off-by: Vineet Gupta <vgupta@xxxxxxxxxxxx>
---
drivers/tty/serial/arc_uart.c | 22 ++++++----------------
1 file changed, 6 insertions(+), 16 deletions(-)
diff --git a/drivers/tty/serial/arc_uart.c b/drivers/tty/serial/arc_uart.c
index 2ffaf099691a..dc3d5db37dc4 100644
--- 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
@@ -499,11 +499,9 @@ 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)) {
@@ -518,21 +516,13 @@ 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;
--
1.8.3.2
--
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