linux-kernel - Re: [PATCH v3 04/14] GPIO: Add gpio-ingenic driver

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Date:   Tue, 31 Jan 2017 16:29:58 +0100
From:   Paul Cercueil <paul@...pouillou.net>
To:     Linus Walleij <linus.walleij@...aro.org>
Cc:     Rob Herring <robh+dt@...nel.org>,
        Mark Rutland <mark.rutland@....com>,
        Ralf Baechle <ralf@...ux-mips.org>,
        Ulf Hansson <ulf.hansson@...aro.org>,
        Boris Brezillon <boris.brezillon@...e-electrons.com>,
        Thierry Reding <thierry.reding@...il.com>,
        Bartlomiej Zolnierkiewicz <b.zolnierkie@...sung.com>,
        Maarten ter Huurne <maarten@...ewalker.org>,
        Lars-Peter Clausen <lars@...afoo.de>,
        Paul Burton <paul.burton@...tec.com>,
        linux-gpio@...r.kernel.org, devicetree@...r.kernel.org,
        linux-kernel@...r.kernel.org,
        Linux MIPS <linux-mips@...ux-mips.org>,
        linux-mmc@...r.kernel.org, linux-mtd@...ts.infradead.org,
        linux-pwm@...r.kernel.org, linux-fbdev@...r.kernel.org,
        James Hogan <james.hogan@...tec.com>
Subject: Re: [PATCH v3 04/14] GPIO: Add gpio-ingenic driver

Le 2017-01-31 15:20, Linus Walleij a écrit :

>> + of_property_read_u32(dev->of_node, "base", &jzgc->gc.base);
> 
> Remove this. Dynamic allocation should be fine, if you're using the
> new userspace ABI like tools/gpio/* or libgpiod and only that and 
> in-kernel
> consumers, dynamic numbers are just fine.

The problem is that the QI_LB60 board code still have a lot of 
references
to global GPIO numbers. Just grep for JZ_GPIO_PORT in
arch/mips/jz4740/board-qi_lb60.c to see what I mean...

-Paul