From: Jens Scharsig <js_at_ng@scharsoft.de>
To: u-boot@lists.denx.de
Subject: [U-Boot] [RFC PATCH 1/3] at91: add new gpio pin macros
Date: Wed, 30 Oct 2013 18:19:57 +0100 [thread overview]
Message-ID: <52713FBD.202@scharsoft.de> (raw)
In-Reply-To: <5270E1EE.1050503@gmail.com>
Am 30.10.2013 11:39, schrieb Andreas Bie?mann:
> Hi Bo,
>
> +Jens, he did the rewrite of the at91 gpio driver.
>
>
> I think this is a job for gpio_is_valid() then. How is this case handled
> in kernel?
>
> Here are a few things to discuss. First of all I'd like to get some
> insights why the at91 gpio API was changed back in 2010. It was a plain
> number before and was changed to PORT + PIN as two separate parameters.
> Jens, could you please shed some light on this?
>
Sorry, but I don't remember me why we do this. I think, it was a
compromise between number of changes and code size.
Regards
Jens
next prev parent reply other threads:[~2013-10-30 17:19 UTC|newest]
Thread overview: 21+ messages / expand[flat|nested] mbox.gz Atom feed top
2013-10-29 12:53 [U-Boot] [RFC PATCH 0/3] at91: remove legacy gpio API Andreas Bießmann
2013-10-29 12:53 ` [U-Boot] [RFC PATCH 1/3] at91: add new gpio pin macros Andreas Bießmann
2013-10-30 9:56 ` Bo Shen
2013-10-30 10:39 ` Andreas Bießmann
2013-10-30 17:19 ` Jens Scharsig [this message]
2013-10-30 18:59 ` Andreas Bießmann
2013-10-31 5:04 ` Heiko Schocher
2013-10-29 12:53 ` [U-Boot] [RFC PATCH 2/3] at91sam9263ek: remove ATMEL_LEGACY Andreas Bießmann
2013-10-29 12:53 ` [U-Boot] [RFC PATCH 3/3] at91: use generic gpio API for AT91_LED Andreas Bießmann
2013-11-29 11:13 ` [U-Boot] [PATCH 0/4] at91: remove legacy GPIO API (part 1) Andreas Bießmann
2013-11-29 11:13 ` [U-Boot] [PATCH 1/4] at91: add new gpio pin definitions Andreas Bießmann
2013-12-02 5:27 ` Bo Shen
2013-12-09 12:35 ` [U-Boot] [U-Boot,1/4] " Andreas Bießmann
2013-11-29 11:13 ` [U-Boot] [PATCH 2/4] at91: redefine legacy GPIO PIN_BASE Andreas Bießmann
2013-12-09 12:36 ` [U-Boot] [U-Boot,2/4] " Andreas Bießmann
2013-11-29 11:13 ` [U-Boot] [PATCH 3/4] at91: nand: switch atmel_nand to generic GPIO API Andreas Bießmann
2013-12-02 7:01 ` esw at bus-elektronik.de
2013-12-06 19:16 ` Scott Wood
2013-12-09 12:38 ` [U-Boot] [U-Boot,3/4] " Andreas Bießmann
2013-11-29 11:13 ` [U-Boot] [PATCH 4/4] at91: switch coloured LED to gpio API Andreas Bießmann
2013-12-09 12:38 ` [U-Boot] [U-Boot,4/4] " Andreas Bießmann
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