linux-kernel - Re: [PATCH v3 3/3] ARM: omap1: Fix up the Nokia 770 board device IRQs

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Message-ID: <ZFkSiM9GRfN5n7n4@surfacebook>
Date:   Mon, 8 May 2023 18:17:28 +0300
From:   andy.shevchenko@...il.com
To:     Linus Walleij <linus.walleij@...aro.org>
Cc:     Aaro Koskinen <aaro.koskinen@....fi>,
        Janusz Krzysztofik <jmkrzyszt@...il.com>,
        Tony Lindgren <tony@...mide.com>,
        Russell King <linux@...linux.org.uk>,
        Daniel Mack <daniel@...que.org>,
        Haojian Zhuang <haojian.zhuang@...il.com>,
        Robert Jarzmik <robert.jarzmik@...e.fr>,
        Thomas Bogendoerfer <tsbogend@...ha.franken.de>,
        Dmitry Torokhov <dmitry.torokhov@...il.com>,
        Mark Brown <broonie@...nel.org>,
        Bartosz Golaszewski <bartosz.golaszewski@...aro.org>,
        Andreas Kemnade <andreas@...nade.info>,
        Helge Deller <deller@....de>,
        Ulf Hansson <ulf.hansson@...aro.org>,
        linux-omap@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
        linux-kernel@...r.kernel.org, linux-mips@...r.kernel.org,
        linux-input@...r.kernel.org, linux-spi@...r.kernel.org,
        linux-fbdev@...r.kernel.org, dri-devel@...ts.freedesktop.org,
        linux-mmc@...r.kernel.org
Subject: Re: [PATCH v3 3/3] ARM: omap1: Fix up the Nokia 770 board device IRQs

Fri, May 05, 2023 at 01:16:57PM +0200, Linus Walleij kirjoitti:
> The platform devices on the Nokia 770 is using some
> board-specific IRQs that get statically assigned to platform
> devices in the boardfile.
> 
> This does not work with dynamic IRQ chip bases.
> 
> Utilize the NULL device to define some board-specific
> GPIO lookups and use these to immediately look up the
> same GPIOs, convert to IRQ numbers and pass as resources
> to the devices. This is ugly but should work.

...

> +static struct gpiod_lookup_table nokia770_irq_gpio_table = {
> +	.dev_id = NULL,
> +	.table = {
> +		/* GPIO used by SPI device 1 */
> +		GPIO_LOOKUP("gpio-0-15", 15, "ads7846_irq",
> +			    GPIO_ACTIVE_HIGH),
> +		/* GPIO used for retu IRQ */
> +		GPIO_LOOKUP("gpio-48-63", 15, "retu_irq",
> +			    GPIO_ACTIVE_HIGH),
> +		/* GPIO used for tahvo IRQ */
> +		GPIO_LOOKUP("gpio-32-47", 8, "tahvo_irq",
> +			    GPIO_ACTIVE_HIGH),

Missing terminator.

> +	},
> +};

-- 
With Best Regards,
Andy Shevchenko