Yes they are all intentional, it was a way to make the logic more obvious
(argument on the right is bitmask).

Henri

On 07/15/2015 01:08 PM, Julia Lawall wrote:
> TThese look intentional, but maybe double check the first one, with the
> code shown in this message.
> 
> julia
> 
> On Wed, 15 Jul 2015, kbuild test robot wrote:
> 
>> TO: Henri Chain <henri.ch...@eleves.ec-nantes.fr>
>> CC: "Greg Kroah-Hartman" <gre...@linuxfoundation.org>
>> CC: de...@driverdev.osuosl.org
>>
>> tree:   git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/staging.git 
>> staging-testing
>> head:   bd1fb5388da0a37c053649ec4aa8e588ef39f958
>> commit: a1560f9bec8b9275a751bd39a1db791d2c73d6e5 [134/169] Staging: fbtft: 
>> Add support for the Ultrachip UC1611 LCD controller
>> :::::: branch date: 2 hours ago
>> :::::: commit date: 3 hours ago
>>
>>>> drivers/staging/fbtft/fb_uc1611.c:105:24-28: duplicated argument to & or |
>>     drivers/staging/fbtft/fb_uc1611.c:177:6-9: duplicated argument to & or |
>>     drivers/staging/fbtft/fb_uc1611.c:178:6-9: duplicated argument to & or |
>>     drivers/staging/fbtft/fb_uc1611.c:191:6-9: duplicated argument to & or |
>>     drivers/staging/fbtft/fb_uc1611.c:195:6-9: duplicated argument to & or |
>>     drivers/staging/fbtft/fb_uc1611.c:203:6-9: duplicated argument to & or |
>>     drivers/staging/fbtft/fb_uc1611.c:204:6-9: duplicated argument to & or |
>>     drivers/staging/fbtft/fb_uc1611.c:208:6-9: duplicated argument to & or |
>>     drivers/staging/fbtft/fb_uc1611.c:209:6-9: duplicated argument to & or |
>>     drivers/staging/fbtft/fb_uc1611.c:217:6-9: duplicated argument to & or |
>>     drivers/staging/fbtft/fb_uc1611.c:222:6-9: duplicated argument to & or |
>>
>> git remote add staging 
>> git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/staging.git
>> git remote update staging
>> git checkout a1560f9bec8b9275a751bd39a1db791d2c73d6e5
>> vim +105 drivers/staging/fbtft/fb_uc1611.c
>>
>> a1560f9b Henri Chain 2015-07-14   89         write_reg(par, 0xE8 | (ratio & 
>> 0x03));
>> a1560f9b Henri Chain 2015-07-14   90
>> a1560f9b Henri Chain 2015-07-14   91         /* Set bias gain and 
>> potentiometer */
>> a1560f9b Henri Chain 2015-07-14   92         write_reg(par, 0x81);
>> a1560f9b Henri Chain 2015-07-14   93         write_reg(par, (gain & 0x03) << 
>> 6 | (pot & 0x3F));
>> a1560f9b Henri Chain 2015-07-14   94
>> a1560f9b Henri Chain 2015-07-14   95         /* Set temperature compensation 
>> */
>> a1560f9b Henri Chain 2015-07-14   96         write_reg(par, 0x24 | (temp & 
>> 0x03));
>> a1560f9b Henri Chain 2015-07-14   97
>> a1560f9b Henri Chain 2015-07-14   98         /* Set panel loading */
>> a1560f9b Henri Chain 2015-07-14   99         write_reg(par, 0x28 | (load & 
>> 0x03));
>> a1560f9b Henri Chain 2015-07-14  100
>> a1560f9b Henri Chain 2015-07-14  101         /* Set pump control */
>> a1560f9b Henri Chain 2015-07-14  102         write_reg(par, 0x2C | (pump & 
>> 0x03));
>> a1560f9b Henri Chain 2015-07-14  103
>> a1560f9b Henri Chain 2015-07-14  104         /* Set inverse display */
>> a1560f9b Henri Chain 2015-07-14 @105         write_reg(par, 0xA6 | (0x01 & 
>> 0x01));
>> a1560f9b Henri Chain 2015-07-14  106
>> a1560f9b Henri Chain 2015-07-14  107         /* Set 4-bit grayscale mode */
>> a1560f9b Henri Chain 2015-07-14  108         write_reg(par, 0xD0 | (0x02 & 
>> 0x03));
>> a1560f9b Henri Chain 2015-07-14  109
>> a1560f9b Henri Chain 2015-07-14  110         /* Set Display enable */
>> a1560f9b Henri Chain 2015-07-14  111         write_reg(par, 0xA8 | 0x07);
>> a1560f9b Henri Chain 2015-07-14  112
>> a1560f9b Henri Chain 2015-07-14  113         return 0;
>>
>> ---
>> 0-DAY kernel test infrastructure                Open Source Technology Center
>> https://lists.01.org/pipermail/kbuild-all                   Intel Corporation
>>
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