linux-kernel - Re: [PATCH] gpio: pca953x: Use correct u16 value for register word write

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Message-ID: <56FB60CC.9000605@electromag.com.au>
Date:	Wed, 30 Mar 2016 13:14:52 +0800
From:	Phil Reid <preid@...ctromag.com.au>
To:	Yong Li <sdliyong@...il.com>
Cc:	Alexander Stein <alexander.stein@...tec-electronic.com>,
	linux-kernel@...r.kernel.org, linux-gpio@...r.kernel.org
Subject: Re: [PATCH] gpio: pca953x: Use correct u16 value for register word
 write

On 30/03/2016 1:01 PM, Yong Li wrote:
> Or another method is using the below to convert the u8 to u16:
> cpu_to_le16(get_unaligned((u16 *) val)), compared with the
> i2c_smbus_write_byte_data method, which one is better?
>
>

G'day Yong,

I'd go with the cpu_to_le16(get_unaligned((u16 *) val))



-- 
Regards
Phil Reid