linux-kernel - Re: [PATCH v2 02/11] mfd: renesas-vbattb: Add a MFD driver for the Renesas VBATTB IP

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Message-ID: <b7457ae3-b8f3-4b16-9a21-090d99a97e48@kernel.org>
Date: Tue, 16 Jul 2024 21:29:05 +0200
From: Krzysztof Kozlowski <krzk@...nel.org>
To: Claudiu <claudiu.beznea@...on.dev>, lee@...nel.org, robh@...nel.org,
 krzk+dt@...nel.org, conor+dt@...nel.org, alexandre.belloni@...tlin.com,
 geert+renesas@...der.be, magnus.damm@...il.com, mturquette@...libre.com,
 sboyd@...nel.org, p.zabel@...gutronix.de
Cc: devicetree@...r.kernel.org, linux-kernel@...r.kernel.org,
 linux-rtc@...r.kernel.org, linux-renesas-soc@...r.kernel.org,
 linux-arm-kernel@...ts.infradead.org, linux-clk@...r.kernel.org,
 Claudiu Beznea <claudiu.beznea.uj@...renesas.com>
Subject: Re: [PATCH v2 02/11] mfd: renesas-vbattb: Add a MFD driver for the
 Renesas VBATTB IP

On 16/07/2024 12:30, Claudiu wrote:
> From: Claudiu Beznea <claudiu.beznea.uj@...renesas.com>
> 
> Renesas VBATTB IP has logic to control the RTC clock, tamper detection
> and a small 128B memory. Add a MFD driver to do the basic initialization
> of the VBATTB IP for the inner components to work.
> 
> Signed-off-by: Claudiu Beznea <claudiu.beznea.uj@...renesas.com>
> ---


> +
> +static struct platform_driver vbattb_driver = {
> +	.probe = vbattb_probe,
> +	.remove_new = vbattb_remove,
> +	.driver = {
> +		.name = "renesas-vbattb",
> +		.of_match_table = vbattb_match,
> +	},
> +};
> +module_platform_driver(vbattb_driver);
> +
> +MODULE_ALIAS("platform:renesas-vbattb");

You should not need MODULE_ALIAS() in normal cases. If you need it,
usually it means your device ID table is wrong (e.g. misses either
entries or MODULE_DEVICE_TABLE()). MODULE_ALIAS() is not a substitute
for incomplete ID table.


> +MODULE_AUTHOR("Claudiu Beznea <claudiu.beznea.uj@...renesas.com>");
> +MODULE_DESCRIPTION("Renesas VBATTB driver");
> +MODULE_LICENSE("GPL");

Best regards,
Krzysztof