linux-kernel - Re: [PATCH 1/4] serial: 8250 driver replaceable i/o functions.

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Date:	Tue, 07 Oct 2008 17:12:44 -0700
From:	"H. Peter Anvin" <hpa@...or.com>
To:	David Daney <ddaney@...iumnetworks.com>
CC:	linux-serial@...r.kernel.org, linux-kernel@...r.kernel.org,
	linux-mips@...ux-mips.org,
	"Paoletti, Tomaso" <Tomaso.Paoletti@...iumnetworks.com>
Subject: Re: [PATCH 1/4] serial: 8250 driver replaceable i/o functions.

David Daney wrote:
> /* sane hardware needs no mapping */
> -static inline int map_8250_in_reg(struct uart_8250_port *up, int offset)
> +static inline int map_8250_in_reg(struct uart_port *p, int offset)
> {
> -    if (up->port.iotype != UPIO_AU)
> +    if (p->iotype != UPIO_AU)
>         return offset;
>     return au_io_in_map[offset];
> }

With your changes, these functions cannot be called with p->iotype != 
UPIO_AU anymore, correct?  So there is no need for this test...

	-hpa
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