Thread (1 message) 1 message, 1 author, 2018-12-24

Re: [PATCH 1/3] pinctrl: armada-37xx: Correct mpp definitions

From: Gregory CLEMENT <gregory.clement@bootlin.com>
Date: 2018-12-24 17:05:29
Also in: linux-gpio, lkml

Hi Marek,
 
 On sam., déc. 22 2018, Marek Behun [off-list ref] wrote:
On Fri, 21 Dec 2018 18:32:57 +0100
Gregory CLEMENT [off-list ref] wrote:
quoted
+	PIN_GRP_GPIO("pcie1", 3, 1, BIT(5), "pcie"),
+	PIN_GRP_GPIO("pcie1_clkreq", 4, 1, BIT(9), "pcie"),
If the pair is split to clkreq and reset, shouldn't the first be called
pcie1_reset?
I considered this but chose to keep pcie1 in order to preserve backward
compatibility.

I agree that it is debatable, because without the fix the old device
tree can't work. However I find it better preserving the initial intent
of an existing device tree.

By talking about it, I think about an other option, keeping pcie1 name
to setup the pins 39 and 40 how it was documented. And introducing
pcie1_reset and pcie1_clkreq for new binding. however I don't know how
it could be handle by the pinctrl framework.

Gregory
Marek
-- 
Gregory Clement, Bootlin
Embedded Linux and Kernel engineering
http://bootlin.com

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