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

From Phil Reid <preid@electromag.com.au>
Newsgroups linux.kernel
Subject Re: [PATCH] gpio: pca953x: Use correct u16 value for register word write
Date 2016-03-30 07:20 +0200
Message-ID <rigHU-Er-7@gated-at.bofh.it> (permalink)
References (2 earlier) <ri1px-6kK-31@gated-at.bofh.it> <ri2Yi-7C8-23@gated-at.bofh.it> <ri4Qq-sQ-13@gated-at.bofh.it> <rigye-Aq-3@gated-at.bofh.it> <rigye-Aq-1@gated-at.bofh.it>
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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

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Thread

[PATCH] gpio: pca953x: Use correct u16 value for register word write Yong Li <sdliyong@gmail.com> - 2016-03-29 08:40 +0200
  Re: [PATCH] gpio: pca953x: Use correct u16 value for register word  write Phil Reid <preid@electromag.com.au> - 2016-03-29 14:10 +0200
    Re: [PATCH] gpio: pca953x: Use correct u16 value for register word write Yong Li <sdliyong@gmail.com> - 2016-03-29 15:00 +0200
      Re: [PATCH] gpio: pca953x: Use correct u16 value for register word write Alexander Stein <alexander.stein@systec-electronic.com> - 2016-03-29 16:40 +0200
        Re: [PATCH] gpio: pca953x: Use correct u16 value for register word  write Phil Reid <preid@electromag.com.au> - 2016-03-29 18:40 +0200
          Re: [PATCH] gpio: pca953x: Use correct u16 value for register word write Yong Li <sdliyong@gmail.com> - 2016-03-30 04:50 +0200
          Re: [PATCH] gpio: pca953x: Use correct u16 value for register word write Yong Li <sdliyong@gmail.com> - 2016-03-30 07:10 +0200
            Re: [PATCH] gpio: pca953x: Use correct u16 value for register word  write Phil Reid <preid@electromag.com.au> - 2016-03-30 07:20 +0200

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