linux-kernel - Re: [PATCH 07/11] Input: synaptics-rmi4

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Message-ID: <559579FA.2080601@synaptics.com>
Date:	Thu, 2 Jul 2015 10:50:50 -0700
From:	Andrew Duggan <aduggan@...aptics.com>
To:	Benjamin Tissoires <benjamin.tissoires@...hat.com>,
	Dmitry Torokhov <dmitry.torokhov@...il.com>,
	Christopher Heiny <cheiny@...aptics.com>,
	Allie Xiong <axiong@...aptics.com>
CC:	Stephen Chandler Paul <cpaul@...hat.com>,
	<benjamin.tissoires@...il.com>, <linux-input@...r.kernel.org>,
	<linux-kernel@...r.kernel.org>,
	Vincent Huang <vincent.huang@...synaptics.com>
Subject: Re: [PATCH 07/11] Input: synaptics-rmi4 - f11: fix bitmap irq check

On 06/23/2015 12:17 PM, Benjamin Tissoires wrote:
> num_irq_regs is the count of registers of 1 bytes that we use to check
> the irqs. bitmap_and() expects the number of bits.
>
> Signed-off-by: Benjamin Tissoires <benjamin.tissoires@...hat.com>
> ---

Reviewed-by: Andrew Duggan <aduggan@...aptics.com>

>   drivers/input/rmi4/rmi_f11.c | 4 ++--
>   1 file changed, 2 insertions(+), 2 deletions(-)
>
> diff --git a/drivers/input/rmi4/rmi_f11.c b/drivers/input/rmi4/rmi_f11.c
> index 99d6181..c3b757b 100644
> --- a/drivers/input/rmi4/rmi_f11.c
> +++ b/drivers/input/rmi4/rmi_f11.c
> @@ -726,12 +726,12 @@ static void rmi_f11_finger_handler(struct f11_data *f11,
>   		}
>   
>   		abs_bits = bitmap_and(f11->result_bits, irq_bits, f11->abs_mask,
> -				      num_irq_regs);
> +				      num_irq_regs * 8);
>   		if (abs_bits)
>   			rmi_f11_abs_pos_report(f11, sensor, finger_state, i);
>   
>   		rel_bits = bitmap_and(f11->result_bits, irq_bits, f11->rel_mask,
> -				      num_irq_regs);
> +				      num_irq_regs * 8);
>   		if (rel_bits)
>   			rmi_f11_rel_pos_report(sensor, i);
>   	}

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