linux-kernel - Re: [PATCH v2 6/8] Input: synaptics-rmi4: Remove unneeded variable

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Message-ID: <9c09766e-17c1-4a6d-93ce-d03f42f3f365@itdev.co.uk>
Date:	Tue, 5 Jul 2016 11:18:42 +0100
From:	Nick Dyer <nick.dyer@...ev.co.uk>
To:	Andrew Duggan <aduggan@...aptics.com>, linux-input@...r.kernel.org,
	linux-kernel@...r.kernel.org
Cc:	Dmitry Torokhov <dmitry.torokhov@...il.com>,
	Linus Walleij <linus.walleij@...aro.org>,
	Jiri Kosina <jikos@...nel.org>,
	Benjamin Tissoires <benjamin.tissoires@...hat.com>,
	Vincent Huang <vincent.huang@...synaptics.com>
Subject: Re: [PATCH v2 6/8] Input: synaptics-rmi4: Remove unneeded variable



On 25/06/2016 01:19, Andrew Duggan wrote:
> Remove the data_base_addr_offset variable in rmi_f11_attention(). The
> f11 data is read as a single block so there is no need to store an offset
> to the data address.
> 
> Signed-off-by: Andrew Duggan <aduggan@...aptics.com>

Reviewed-by: Nick Dyer <nick@...anahar.org>

> ---
>  drivers/input/rmi4/rmi_f11.c | 5 +----
>  1 file changed, 1 insertion(+), 4 deletions(-)
> 
> diff --git a/drivers/input/rmi4/rmi_f11.c b/drivers/input/rmi4/rmi_f11.c
> index e691432..688e604 100644
> --- a/drivers/input/rmi4/rmi_f11.c
> +++ b/drivers/input/rmi4/rmi_f11.c
> @@ -1265,7 +1265,6 @@ static int rmi_f11_attention(struct rmi_function *fn, unsigned long *irq_bits)
>  	struct rmi_driver_data *drvdata = dev_get_drvdata(&rmi_dev->dev);
>  	struct f11_data *f11 = dev_get_drvdata(&fn->dev);
>  	u16 data_base_addr = fn->fd.data_base_addr;
> -	u16 data_base_addr_offset = 0;
>  	int error;
>  
>  	if (rmi_dev->xport->attn_data) {
> @@ -1275,8 +1274,7 @@ static int rmi_f11_attention(struct rmi_function *fn, unsigned long *irq_bits)
>  		rmi_dev->xport->attn_size -= f11->sensor.attn_size;
>  	} else {
>  		error = rmi_read_block(rmi_dev,
> -				data_base_addr + data_base_addr_offset,
> -				f11->sensor.data_pkt,
> +				data_base_addr, f11->sensor.data_pkt,
>  				f11->sensor.pkt_size);
>  		if (error < 0)
>  			return error;
> @@ -1284,7 +1282,6 @@ static int rmi_f11_attention(struct rmi_function *fn, unsigned long *irq_bits)
>  
>  	rmi_f11_finger_handler(f11, &f11->sensor, irq_bits,
>  				drvdata->num_of_irq_regs);
> -	data_base_addr_offset += f11->sensor.pkt_size;
>  
>  	return 0;
>  }
>