Re: [PATCH 6/7] serial/8250: sanitize fourport handling

[Alan Cox]

On Mon, 27 Jun 2011 23:45:19 +0200
Arnd Bergmann <arnd@xxxxxxxx> wrote:

> Support for AST fourport cards is always built into
> the 8250 driver, even if CONFIG_SERIAL_8250_FOURPORT
> is disabled. This introduces a set of macros for
> accessing the special interrupt control register on
> the fourport card, so that support is left out
> when the option is disabled, without adding more #ifdef
> lines to the driver itself.

Why not just leave it in - it seems to take almost no code and your
changes mean people setting the fourport flag are going to get strange
behaviour when it isn't compiled in.

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