Re: [PATCH] ADP1653 board code for Nokia RX-51

[Aaro Koskinen]

Hi,

On Sun, Feb 17, 2013 at 04:16:49PM +0100, Pali Rohár wrote:
> I'm sending ADP1653 flash torch board code for Nokia RX-51. Kernel
> driver ADP1653 is already in upstream kernel. Board code was extracted
> from this big camera meego patch:
> 
> https://api.pub.meego.com/public/source/CE:Adaptation:N900/kernel-adaptation-n900/linux-2.6-Camera-for-Meego-N900-Adaptation-kernel-2.6.37-patch.patch

You need to sign-off the patch.

> --- /dev/null
> +++ b/arch/arm/mach-omap2/board-rx51-camera.c

I'm not sure if adding a new file is sensible. There are already 3 board
files for RX-51, which I think is overkill.

> @@ -0,0 +1,177 @@
> +/*
> + * arch/arm/mach-omap2/board-rx51-camera.c
> + *
> + * Copyright (C) 2008 Nokia Corporation
> + *
> + * Contact: Sakari Ailus <sakari.ailus@xxxxxxxxx>
> + *          Tuukka Toivonen <tuukka.o.toivonen@xxxxxxxxx>

You should put these people to CC... Just to see if the addresses are
still valid (which I doubt).

> +static int __init rx51_adp1653_init(void)
> +{
> +	int err;
> +
> +	err = gpio_request(ADP1653_GPIO_ENABLE, "adp1653 enable");
> +	if (err) {
> +		printk(KERN_ERR ADP1653_NAME
> +		       " Failed to request EN gpio\n");
> +		err = -ENODEV;
> +		goto err_omap_request_gpio;
> +	}
> +
> +	err = gpio_request(ADP1653_GPIO_INT, "adp1653 interrupt");
> +	if (err) {
> +		printk(KERN_ERR ADP1653_NAME " Failed to request IRQ gpio\n");
> +		err = -ENODEV;
> +		goto err_omap_request_gpio_2;
> +	}
> +
> +	err = gpio_request(ADP1653_GPIO_STROBE, "adp1653 strobe");
> +	if (err) {
> +		printk(KERN_ERR ADP1653_NAME
> +		       " Failed to request STROBE gpio\n");
> +		err = -ENODEV;
> +		goto err_omap_request_gpio_3;
> +	}
> +
> +	gpio_direction_output(ADP1653_GPIO_ENABLE, 0);
> +	gpio_direction_input(ADP1653_GPIO_INT);
> +	gpio_direction_output(ADP1653_GPIO_STROBE, 0);

gpio_request_array() should be used.

> +void __init rx51_camera_init(void)
> +{
> +	if (rx51_camera_hw_init()) {
> +		printk(KERN_WARNING "%s: Unable to initialize camera\n",
> +		       __func__);
> +		return;
> +	}
> +
> +	if (omap3_init_camera(&rx51_isp_platform_data) < 0)
> +		printk(KERN_WARNING "%s: Unable to register camera platform "
> +		       "device\n", __func__);

pr_warn() should be used.

A.
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