linux-kernel - Re: [PATCH 23/26] Serial: UART driver changes for Cavium OCTEON.

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Message-ID: <20081120200630.33111a2f@lxorguk.ukuu.org.uk>
Date:	Thu, 20 Nov 2008 20:06:30 +0000
From:	Alan Cox <alan@...rguk.ukuu.org.uk>
To:	David Daney <ddaney@...iumnetworks.com>
Cc:	linux-mips@...ux-mips.org, linux-serial@...r.kernel.org,
	akpm@...ux-foundation.org, linux-kernel@...r.kernel.org,
	David Daney <ddaney@...iumnetworks.com>,
	Tomaso Paoletti <tpaoletti@...iumnetworks.com>
Subject: Re: [PATCH 23/26] Serial: UART driver changes for Cavium OCTEON.

> +		if ((up->bugs & UART_BUG_OCTEON_IIR) && (iir & 0xf) == 7) {
> +			/* Busy interrupt */
> +			serial_in(up, UART_OCTEON_USR);
> +			iir = serial_in(up, UART_IIR);
> +		}

Could this not be hidden in the register read method for the octeon and
thus kept out of core code ?
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