linux-kernel - Re: [PATCH] libata: Handle bay devices in dock stations

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Date:	Thu, 29 May 2008 12:08:44 +0900
From:	Tejun Heo <htejun@...il.com>
To:	Andrew Morton <akpm@...ux-foundation.org>
CC:	Holger Macht <hmacht@...e.de>, linux-kernel@...r.kernel.org,
	linux-ide@...r.kernel.org, Jeff Garzik <jeff@...zik.org>,
	linux-acpi@...r.kernel.org, Matthew Garrett <mjg59@...f.ucam.org>
Subject: Re: [PATCH] libata: Handle bay devices in dock stations

Andrew Morton wrote:
>> +	if (ACPI_FAILURE(acpi_evaluate_object(handle, "_EJ0",
>> +					      &arg_list, NULL)))
>> +		printk(KERN_ERR "Failed to evaluate _EJ0!\n");
>> +}
> 
> It would be better if the printk were to self-identify where it is
> coming from.  If your kernel just blurts "Failed to evaluate _EJ0!"
> it's a bit of a head-scratcher.
> 
> "libata-acpi: failed to evaluate _EJ0", perhaps?

ata_port_printk() would be better.

Thanks.

-- 
tejun
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