linux-kernel - Re: [PATCH v1 2/2] pwm: sophgo: add pwm support for Sophgo CV1800 SoC

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Message-ID: <14d1464b-7d60-4021-bc33-b0e809f3cde0@kernel.org>
Date: Wed, 7 Feb 2024 09:08:49 +0100
From: Krzysztof Kozlowski <krzk@...nel.org>
To: Jingbao Qiu <qiujingbao.dlmu@...il.com>, u.kleine-koenig@...gutronix.de,
 robh+dt@...nel.org, krzysztof.kozlowski+dt@...aro.org, conor+dt@...nel.org,
 paul.walmsley@...ive.com, palmer@...belt.com, aou@...s.berkeley.edu
Cc: linux-pwm@...r.kernel.org, devicetree@...r.kernel.org,
 linux-kernel@...r.kernel.org, linux-riscv@...ts.infradead.org,
 dlan@...too.org, inochiama@...look.com
Subject: Re: [PATCH v1 2/2] pwm: sophgo: add pwm support for Sophgo CV1800 SoC

On 07/02/2024 07:09, Jingbao Qiu wrote:
> Implement the PWM driver for CV1800.
> 
> Signed-off-by: Jingbao Qiu <qiujingbao.dlmu@...il.com>
> ---


> +
> +static struct platform_driver cv1800_pwm_driver = {
> +	.driver = {
> +		.name = "cv1800-pwm",
> +		.of_match_table = cv1800_pwm_dt_ids,
> +	},
> +	.probe = cv1800_pwm_probe,
> +};
> +module_platform_driver(cv1800_pwm_driver);
> +
> +MODULE_ALIAS("platform:cv1800-pwm");

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.


Best regards,
Krzysztof