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

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Message-ID: <0CE8B6BE3C4AD74AB97D9D29BD24E552011D5F71@CORPEXCH1.na.ads.idt.com>
Date:	Mon, 16 Aug 2010 07:47:18 -0700
From:	"Bounine, Alexandre" <Alexandre.Bounine@....com>
To:	"Micha Nelissen" <micha@...i.hopto.org>
Cc:	<akpm@...ux-foundation.org>, <linux-kernel@...r.kernel.org>,
	<linuxppc-dev@...abs.org>,
	"Bounine, Alexandre" <Alexandre.Bounine@....com>
Subject: RE: [PATCH 5/9] RapidIO: Add default handler for error_stopped state

Micha Nelissen wrote:
> 
> 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.
> 
I was on the fence with this one. Now I have an extra vote in favor of a
separate function ;)
Will do.
 
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