linux-kernel - Re: [PATCH 5/9] RapidIO: Add default handler for error

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Message-ID: <4C692D4D.1030401@neli.hopto.org>
Date:	Mon, 16 Aug 2010 14:21:33 +0200
From:	Micha Nelissen <micha@...i.hopto.org>
To:	Alexandre Bounine <alexandre.bounine@....com>
CC:	akpm@...ux-foundation.org, linux-kernel@...r.kernel.org,
	linuxppc-dev@...abs.org
Subject: Re: [PATCH 5/9] RapidIO: Add default handler for error_stopped state

Alexandre Bounine wrote:
> +
> +	if (err_status & RIO_PORT_N_ERR_STS_PW_OUT_ES) {
> +		pr_debug("RIO_EM: servicing Output Error-Stopped state\n");
> +		/*
> +		 * Send a Link-Request/Input-Status control symbol
> +		 */
> +
> +		/* Read from link maintenance response register
> +		 * to clear valid bit */
> +		rio_mport_read_config_32(mport, destid, hopcount,
> +			rdev->phys_efptr + RIO_PORT_N_MNT_RSP_CSR(pnum),
> +			&regval);
> +		udelay(50);

Perhaps this whole part of operating the MNT_RSP registers (sending 
link-request symbol is the only useful action IIRC?) can be put in a 
separate function for readability.

Micha
--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@...r.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/