serial: mvebu-uart: use driver name when requesting an interrupt

Use the driver name when requesting an interrupt for consistency.

Avoids possible confusion with DW8250 driver interrupt names in
/proc/interrupts.
Signed-off-by: Yehuda Yitschak <yehuday@marvell.com>
Signed-off-by: Miquel Raynal <miquel.raynal@free-electrons.com>
Reviewed-by: Gregory CLEMENT <gregory.clement@free-electrons.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

drivers/tty/serial/mvebu-uart.c

@@ -90,6 +90,7 @@
 #define MVEBU_NR_UARTS		1
 
 #define MVEBU_UART_TYPE		"mvebu-uart"
+#define DRIVER_NAME		"mvebu_serial"
 
 static struct uart_port mvebu_uart_ports[MVEBU_NR_UARTS];
 
@@ -287,8 +288,8 @@ static int mvebu_uart_startup(struct uart_port *port)
 	udelay(1);
 	writel(CTRL_RX_INT, port->membase + UART_CTRL);
 
-	ret = request_irq(port->irq, mvebu_uart_isr, port->irqflags, "serial",
-			  port);
+	ret = request_irq(port->irq, mvebu_uart_isr, port->irqflags,
+			  DRIVER_NAME, port);
 	if (ret) {
 		dev_err(port->dev, "failed to request irq\n");
 		return ret;
@@ -538,7 +539,7 @@ console_initcall(mvebu_uart_console_init);
 
 static struct uart_driver mvebu_uart_driver = {
 	.owner			= THIS_MODULE,
-	.driver_name		= "mvebu_serial",
+	.driver_name		= DRIVER_NAME,
 	.dev_name		= "ttyMV",
 	.nr			= MVEBU_NR_UARTS,
 #ifdef CONFIG_SERIAL_MVEBU_CONSOLE