linux-kernel - Re: [PATCH] gpio: support for Synopsys DesignWare APB GPIO

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Date:	Mon, 4 Apr 2011 14:40:06 +0400
From:	Anton Vorontsov <cbouatmailru@...il.com>
To:	Jamie Iles <jamie@...ieiles.com>
Cc:	Grant Likely <grant.likely@...retlab.ca>,
	Thomas Gleixner <tglx@...utronix.de>,
	LKML <linux-kernel@...r.kernel.org>,
	Russell King <linux@....linux.org.uk>,
	Arnd Bergmann <arnd@...db.de>, Nicolas Pitre <nico@...xnic.net>
Subject: Re: [PATCH] gpio: support for Synopsys DesignWare APB GPIO

On Sun, Apr 03, 2011 at 04:22:44PM +0100, Jamie Iles wrote:
[...]
> > As discussed earlier in the thread, you probably don't need to support
> > multiple banks with this driver.  Instead, create a separate device
> > instance for each bank.
> 
> The reason I proposed this was for controllers where the registers 
> aren't grouped together for each bank.  For example, the Synopsys block 
> has:
> 
> 	0x00-0x08 bank A control registers
> 	0x0c-0x14 bank B control registers
> 	...
> 	0x50	  bank A input register
> 	0x54	  bank B input register.

Which, I guess, is another point for "multiple resources" approach.
Grant?

-- 
Anton Vorontsov
Email: cbouatmailru@...il.com
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