[U-Boot] [PATCH] drivers/crypto/fsl: remove redundant logical contraint

York Sun york.sun at nxp.com
Sat Apr 15 16:46:38 UTC 2017


On 04/15/2017 07:38 AM, Heinrich Schuchardt wrote:
> 'A || (!A && B)' is equivalent to 'A || B'.
> Let's reduce the complexity of the statement in start_jr0().
>
> The problem was indicated by cppcheck.
>
> Signed-off-by: Heinrich Schuchardt <xypron.glpk at gmx.de>
> ---
>  drivers/crypto/fsl/jr.c | 3 +--
>  1 file changed, 1 insertion(+), 2 deletions(-)
>
> diff --git a/drivers/crypto/fsl/jr.c b/drivers/crypto/fsl/jr.c
> index 1b882291e4..c33777fc7d 100644
> --- a/drivers/crypto/fsl/jr.c
> +++ b/drivers/crypto/fsl/jr.c
> @@ -47,8 +47,7 @@ static inline void start_jr0(uint8_t sec_idx)
>  		 * VIRT_EN_INCL = 1 & VIRT_EN_POR = 0 & SEC_SCFGR_VIRT_EN = 1
>  		 */
>  		if ((ctpr_ms & SEC_CTPR_MS_VIRT_EN_POR) ||
> -		    (!(ctpr_ms & SEC_CTPR_MS_VIRT_EN_POR) &&
> -					(scfgr & SEC_SCFGR_VIRT_EN)))
> +		    (scfgr & SEC_SCFGR_VIRT_EN))
>  			sec_out32(&sec->jrstartr, CONFIG_JRSTARTR_JR0);
>  	} else {
>  		/* VIRT_EN_INCL = 0 && VIRT_EN_POR_VALUE = 1 */
>

Reviewed-by: York Sun <york.sun at nxp.com>


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