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Message-ID: <69d464d3-ef42-484f-8c68-9ed0e22ee6fd@kernel.org>
Date:   Wed, 1 Nov 2023 11:44:05 +0100
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Subject: Re: [PATCH V7 3/3] leds: Add support for UP board CPLD onboard LEDS
Content-Language: en-US
To:     "larry.lai" <larry.lai@yunjingtech.com>, lee@kernel.org,
        andriy.shevchenko@linux.intel.com, linus.walleij@linaro.org,
        pavel@ucw.cz
Cc:     linux-kernel@vger.kernel.org, linux-gpio@vger.kernel.org,
        linux-leds@vger.kernel.org, GaryWang@aaeon.com.tw,
        musa.lin@yunjingtech.com, jack.chang@yunjingtech.com,
        noah.hung@yunjingtech.com
References: <20231031015119.29756-1-larry.lai@yunjingtech.com>
 <20231031015119.29756-4-larry.lai@yunjingtech.com>
From:   Krzysztof Kozlowski <krzk@kernel.org>
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In-Reply-To: <20231031015119.29756-4-larry.lai@yunjingtech.com>
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Precedence: bulk

On 31/10/2023 02:51, larry.lai wrote:
> The UP boards come with a few FPGA-controlled onboard LEDs:
> * UP Board: yellow, green, red
> * UP Squared: blue, yellow, green, red
> 
> This patch depends on patch "mfd: Add support for UP board CPLD/FPGA".

Your commit msg should not describe dependencies within patches. Cover
letter or --- changelog should. This is totally irrelevant for the git
history.

> 
> Signed-off-by: Gary Wang <garywang@aaeon.com.tw>
> Signed-off-by: larry.lai <larry.lai@yunjingtech.com>

...

> +
> +static int __init upboard_led_probe(struct platform_device *pdev)

Same problems.

> +{
> +	struct upboard_fpga * const cpld = dev_get_drvdata(pdev->dev.parent);
> +	struct reg_field fldconf = {
> +		.reg = UPFPGA_REG_FUNC_EN0,
> +	};
> +	struct upboard_led_data * const pdata = pdev->dev.platform_data;
> +	struct upboard_led *led;
> +
> +	/* check & register GPIO LEDs */
> +	if (strstr(pdata->colour, "gpio"))
> +		return upboard_led_gpio_register(cpld);
> +
> +	led = devm_kzalloc(&pdev->dev, sizeof(*led), GFP_KERNEL);
> +	if (!led)
> +		return -ENOMEM;
> +
> +	fldconf.lsb = pdata->bit;
> +	fldconf.msb = pdata->bit;
> +	led->field = devm_regmap_field_alloc(&pdev->dev, cpld->regmap, fldconf);
> +	if (IS_ERR(led->field))
> +		return PTR_ERR(led->field);
> +
> +	led->cdev.brightness_get = upboard_led_brightness_get;
> +	led->cdev.brightness_set = upboard_led_brightness_set;
> +	led->cdev.name = devm_kasprintf(&pdev->dev, GFP_KERNEL, "upboard:%s:", pdata->colour);
> +	if (!led->cdev.name)
> +		return -ENOMEM;
> +
> +	return devm_led_classdev_register(&pdev->dev, &led->cdev);
> +};
> +
> +static struct platform_driver upboard_led_driver = {
> +	.driver = {
> +		.name = "upboard-led",
> +	},
> +};
> +module_platform_driver_probe(upboard_led_driver, upboard_led_probe);
> +
> +MODULE_AUTHOR("Gary Wang <garywang@aaeon.com.tw>");
> +MODULE_DESCRIPTION("UP Board LED driver");
> +MODULE_LICENSE("GPL v2");
> +MODULE_ALIAS("platform:upboard-led");

Same problem.

Best regards,
Krzysztof