linux-kernel - Re: [PATCH 1/4] input: misc: introduce Atmel PTC driver

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Message-ID: <20170403155840.vln4wg56iunrmdcw@piout.net>
Date:   Mon, 3 Apr 2017 17:58:40 +0200
From:   Alexandre Belloni <alexandre.belloni@...e-electrons.com>
To:     Ludovic Desroches <ludovic.desroches@...rochip.com>
Cc:     linux-input@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
        devicetree@...r.kernel.org, dmitry.torokhov@...il.com,
        nicolas.ferre@...rochip.com, linux-kernel@...r.kernel.org,
        Ludovic Desroches <ludovic.desroches@...el.com>
Subject: Re: [PATCH 1/4] input: misc: introduce Atmel PTC driver

On 31/03/2017 at 17:22:47 +0200, Ludovic Desroches wrote:
> From: Ludovic Desroches <ludovic.desroches@...el.com>

I think you probably want to switch to your microchip email.

Also, this requires a proper commit message.

> 
> Signed-off-by: Ludovic Desroches <ludovic.desroches@...el.com>
> +struct atmel_ptc {
> +	void __iomem		*ppp_regs;
> +	void __iomem		*firmware;
> +	int			irq;
> +	uint8_t			imr;
> +	volatile struct atmel_qtm_mailbox __iomem	*qtm_mb;
> +	struct clk		*clk_per;
> +	struct clk		*clk_int_osc;
> +	struct clk		*clk_slow;
> +	struct device		*dev;
> +	struct completion	ppp_ack;
> +	unsigned int		button_keycode[ATMEL_PTC_MAX_NODES];
> +	struct input_dev	*buttons_input;
> +	struct input_dev	*scroller_input[ATMEL_PTC_MAX_SCROLLERS];
> +	bool			buttons_registered;
> +	bool			scroller_registered[ATMEL_PTC_MAX_SCROLLERS];
> +	uint32_t		button_event[ATMEL_PTC_MAX_NODES/32];
> +	uint32_t		button_state[ATMEL_PTC_MAX_NODES/32];
> +	uint32_t		scroller_event;
> +	uint32_t		scroller_state;

You should use u8, u16 and u32 instead of uint8_t, uint16_t and
uint32_t.

> diff --git a/include/uapi/linux/atmel_ptc.h b/include/uapi/linux/atmel_ptc.h
> new file mode 100644
> index 0000000..d15c4df
> --- /dev/null
> +++ b/include/uapi/linux/atmel_ptc.h


Is there any sample application showing how to configure the PTC?


-- 
Alexandre Belloni, Free Electrons
Embedded Linux and Kernel engineering
http://free-electrons.com