linux-kernel - Re: [PATCH] i2c: busses: remove unneeded conversion to bool

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Date:   Sun, 19 Apr 2020 21:44:20 -0700
From:   Bjorn Andersson <bjorn.andersson@...aro.org>
To:     Jason Yan <yanaijie@...wei.com>
Cc:     agross@...nel.org, wsa@...-dreams.de,
        linux-arm-msm@...r.kernel.org, linux-i2c@...r.kernel.org,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCH] i2c: busses: remove unneeded conversion to bool

On Sun 19 Apr 21:28 PDT 2020, Jason Yan wrote:

> The '>' expression itself is bool, no need to convert it to bool again.
> This fixes the following coccicheck warning:
> 
> drivers/i2c/busses/i2c-qup.c:960:48-53: WARNING: conversion to bool not needed here
> drivers/i2c/busses/i2c-qup.c:962:47-52: WARNING: conversion to bool not needed here
> drivers/i2c/busses/i2c-qup.c:1531:29-34: WARNING: conversion to bool not needed here
> drivers/i2c/busses/i2c-qup.c:1533:29-34: WARNING: conversion to bool not needed here
> 
> Signed-off-by: Jason Yan <yanaijie@...wei.com>

Reviewed-by: Bjorn Andersson <bjorn.andersson@...aro.org>

> ---
>  drivers/i2c/busses/i2c-qup.c | 10 ++++------
>  1 file changed, 4 insertions(+), 6 deletions(-)
> 
> diff --git a/drivers/i2c/busses/i2c-qup.c b/drivers/i2c/busses/i2c-qup.c
> index 155dcde70fc9..25d5fe2f8316 100644
> --- a/drivers/i2c/busses/i2c-qup.c
> +++ b/drivers/i2c/busses/i2c-qup.c
> @@ -956,10 +956,8 @@ static void qup_i2c_conf_v1(struct qup_i2c_dev *qup)
>  	u32 qup_config = I2C_MINI_CORE | I2C_N_VAL;
>  	u32 io_mode = QUP_REPACK_EN;
>  
> -	blk->is_tx_blk_mode =
> -		blk->total_tx_len > qup->out_fifo_sz ? true : false;
> -	blk->is_rx_blk_mode =
> -		blk->total_rx_len > qup->in_fifo_sz ? true : false;
> +	blk->is_tx_blk_mode = blk->total_tx_len > qup->out_fifo_sz;
> +	blk->is_rx_blk_mode = blk->total_rx_len > qup->in_fifo_sz;
>  
>  	if (blk->is_tx_blk_mode) {
>  		io_mode |= QUP_OUTPUT_BLK_MODE;
> @@ -1528,9 +1526,9 @@ qup_i2c_determine_mode_v2(struct qup_i2c_dev *qup,
>  		qup->use_dma = true;
>  	} else {
>  		qup->blk.is_tx_blk_mode = max_tx_len > qup->out_fifo_sz -
> -			QUP_MAX_TAGS_LEN ? true : false;
> +			QUP_MAX_TAGS_LEN;
>  		qup->blk.is_rx_blk_mode = max_rx_len > qup->in_fifo_sz -
> -			READ_RX_TAGS_LEN ? true : false;
> +			READ_RX_TAGS_LEN;
>  	}
>  
>  	return 0;
> -- 
> 2.21.1
>