linux-kernel - Re: [PATCH 16/22] ncr5380: Fix register decoding for debugging

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Date:	Tue, 15 Mar 2016 14:21:28 +1100 (AEDT)
From:	Finn Thain <fthain@...egraphics.com.au>
To:	Hannes Reinecke <hare@...e.de>
cc:	"James E.J. Bottomley" <James.Bottomley@...senPartnership.com>,
	"Martin K. Petersen" <martin.petersen@...cle.com>,
	Michael Schmitz <schmitzmic@...il.com>,
	linux-m68k@...r.kernel.org, linux-scsi@...r.kernel.org,
	linux-kernel@...r.kernel.org,
	Ondrej Zary <linux@...nbow-software.org>,
	Sam Creasey <sammy@...my.net>
Subject: Re: [PATCH 16/22] ncr5380: Fix register decoding for debugging


On Mon, 14 Mar 2016, Hannes Reinecke wrote:

> Well ... using individual printk() like here might end up in each
> call to be broken up into individual lines.
> You might want to consider using a line buffer here or, better
> still, move to seq_file or debugfs output.

This routine is meant to be called with the lock held in irq mode. I made 
it the caller's responsibility to do the locking. It is the only way to 
get a point-in-time snapshot of all of the device registers.

-- 

> 
> But as the original code did that, too:
> 
> Reviewed-by: Hannes Reinecke <hare@...e.com>
> 
> Cheers,
> 
> Hannes
>