[PATCH 1/2] lib: utils/fdt: Remove redundant code

Anup Patel anup at brainfault.org
Mon Nov 14 08:47:02 PST 2022


On Mon, Oct 31, 2022 at 4:52 PM Xiang W <wxjstz at 126.com> wrote:
>
> uart->reg_offset and uart->reg_io_width are only used on uart8250 and
> not required on other platforms. Remove for sifive and gaisler.
>
> Signed-off-by: Xiang W <wxjstz at 126.com>

Looks good to me.

Reviewed-by: Anup Patel <anup at brainfault.org>

Applied this patch to the riscv/opensbi repo.

Thanks,
Anup

> ---
>  lib/utils/fdt/fdt_helper.c | 12 ------------
>  1 file changed, 12 deletions(-)
>
> diff --git a/lib/utils/fdt/fdt_helper.c b/lib/utils/fdt/fdt_helper.c
> index d390436..cdd0b35 100644
> --- a/lib/utils/fdt/fdt_helper.c
> +++ b/lib/utils/fdt/fdt_helper.c
> @@ -25,10 +25,6 @@
>
>  #define DEFAULT_SIFIVE_UART_FREQ               0
>  #define DEFAULT_SIFIVE_UART_BAUD               115200
> -#define DEFAULT_SIFIVE_UART_REG_SHIFT          0
> -#define DEFAULT_SIFIVE_UART_REG_IO_WIDTH       4
> -
> -#define DEFAULT_GAISLER_UART_REG_IO_WIDTH      4
>
>  #define DEFAULT_SHAKTI_UART_FREQ               50000000
>  #define DEFAULT_SHAKTI_UART_BAUD               115200
> @@ -363,10 +359,6 @@ int fdt_parse_gaisler_uart_node(void *fdt, int nodeoffset,
>         if (rc)
>                 return rc;
>
> -       /* For Gaisler APBUART, the reg-shift and reg-io-width are fixed .*/
> -       uart->reg_shift    = DEFAULT_UART_REG_SHIFT;
> -       uart->reg_io_width = DEFAULT_GAISLER_UART_REG_IO_WIDTH;
> -
>         return 0;
>  }
>
> @@ -394,10 +386,6 @@ int fdt_parse_sifive_uart_node(void *fdt, int nodeoffset,
>         if (rc)
>                 return rc;
>
> -       /* For SiFive UART, the reg-shift and reg-io-width are fixed .*/
> -       uart->reg_shift = DEFAULT_SIFIVE_UART_REG_SHIFT;
> -       uart->reg_io_width = DEFAULT_SIFIVE_UART_REG_IO_WIDTH;
> -
>         return 0;
>  }
>
> --
> 2.30.2
>



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