linux-kernel - RE: [PATCH v3 4/8] reset: Renesas RZ/N1 reboot driver

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Date:   Thu, 29 Mar 2018 11:12:45 +0000
From:   Michel Pollet <michel.pollet@...renesas.com>
To:     Michel Pollet <michel.pollet@...renesas.com>,
        "linux-renesas-soc@...r.kernel.org" 
        <linux-renesas-soc@...r.kernel.org>,
        Simon Horman <horms@...ge.net.au>
CC:     Phil Edworthy <phil.edworthy@...esas.com>,
        Michel Pollet <buserror+upstream@...il.com>,
        Magnus Damm <magnus.damm@...il.com>,
        "Rob Herring" <robh+dt@...nel.org>,
        Mark Rutland <mark.rutland@....com>,
        Lee Jones <lee.jones@...aro.org>,
        Russell King <linux@...linux.org.uk>,
        "Sebastian Reichel" <sre@...nel.org>,
        "devicetree@...r.kernel.org" <devicetree@...r.kernel.org>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
        "linux-arm-kernel@...ts.infradead.org" 
        <linux-arm-kernel@...ts.infradead.org>,
        "linux-pm@...r.kernel.org" <linux-pm@...r.kernel.org>
Subject: RE: [PATCH v3 4/8] reset: Renesas RZ/N1 reboot driver


On 29 March 2018 08:47, I messed up:
[snip]
>
> The Renesas RZ/N1 Family (Part #R9A06G0xx) needs a small driver to reboot
> the Cortex-A7 cores. This driver is a sub driver of the sysctrl MFD.
>
> Signed-off-by: Michel Pollet <michel.pollet@...renesas.com>
> ---
>  drivers/power/reset/Kconfig       |   7 +++
>  drivers/power/reset/Makefile      |   1 +
>  drivers/power/reset/rzn1-reboot.c | 105
[snip]
> +
> +parent = pdev->dev.parent;
> +if (!parent || !parent->of_node)

Not sure what went on when I had all the patches loaded in the editor before sending, but I've deleted a brace here. Will be fixed in v4... :/

Michel


> +dev_err(&pdev->dev, "couldn't find sysctrl node\n");
> +return -ENODEV;
> +}
> +sysctrl = syscon_node_to_regmap(parent->of_node);
> +if (IS_ERR(sysctrl)) {
> +dev_err(&pdev->dev, "couldn't find find regmap\n");
> +return PTR_ERR(sysctrl);
> +}
> +err = register_restart_handler(&rzn1_reboot_nb);
> +if (err) {
> +dev_err(&pdev->dev, "register restart handler
> failed(err=%d)\n",
> +err);
> +}
> +
> +return err;
> +}
> +
> +static const struct of_device_id rzn1_reboot_of_match[] = {
> +{ .compatible = "renesas,rzn1-reboot" },
> +{}
> +};
> +MODULE_DEVICE_TABLE(of, rzn1_reboot_of_match);
> +
> +static struct platform_driver rzn1_reboot_driver = {
> +.probe = rzn1_reboot_probe,
> +.driver = {
> +.name = "rzn1-reboot",
> +.of_match_table = rzn1_reboot_of_match,
> +},
> +};
> +module_platform_driver(rzn1_reboot_driver);
> +
> +MODULE_DESCRIPTION("RZ/N1 reboot driver");
> MODULE_AUTHOR("Michel Pollet
> +<michel.pollet@...renesas.com>, <buserror@...il.com>");
> +MODULE_LICENSE("GPL v2");
> --
> 2.7.4




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