Re: [PATCH v2 REBASED 06/10] serial/arc: remove last remanants of platform data

[Rob Herring]

On Tue, Jun 24, 2014 at 3:25 AM, Vineet Gupta
<Vineet.Gupta1@xxxxxxxxxxxx> wrote:
> 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


> @@ -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);

ioremap is preferred over of_iomap as it is not OF specific. Perhaps
use devm_request_and_ioremap instead.

>         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);
> +

platform_get_irq should be used here.

>         port->dev = &pdev->dev;
>         port->iotype = UPIO_MEM;
>         port->flags = UPF_BOOT_AUTOCONF;
> --
> 1.8.3.2
>
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