Re: [PATCH 1/2] pbl: console: Make it work with multiple setup_c()

[Trent Piepho <tpiepho@xxxxxxxxxxxxxx>]

On Wed, 2016-09-14 at 10:21 +0200, Sascha Hauer wrote:
> +
> +static void (*__putc)(void *ctx, int c) = INVALID_PTR;
> +static void *putc_ctx = INVALID_PTR;

There's also __attribute__ ((section(".data"))).  U-boot uses that. It
does make it clear why INVALID_PTR is not NULL.

Also, could use ERR_PTR(-EINVAL).

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