linux-kernel - Re: [PATCH 1/2] staging: fbtft: Moves ";" from macro definition to macro usage.

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Date:   Fri, 10 Aug 2018 19:27:54 +0800
From:   kbuild test robot <lkp@...el.com>
To:     Leonardo Brás <leobras.c@...il.com>
Cc:     kbuild-all@...org,
        Thomas Petazzoni <thomas.petazzoni@...e-electrons.com>,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        devel@...verdev.osuosl.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH 1/2] staging: fbtft: Moves ";" from macro definition to
 macro usage.

Hi Leonardo,

Thank you for the patch! Perhaps something to improve:

[auto build test WARNING on staging/staging-testing]
[also build test WARNING on v4.18-rc8 next-20180809]
[if your patch is applied to the wrong git tree, please drop us a note to help improve the system]

url:    https://github.com/0day-ci/linux/commits/Leonardo-Br-s/staging-fbtft-Moves-from-macro-definition-to-macro-usage/20180810-154004
reproduce:
        # apt-get install sparse
        make ARCH=x86_64 allmodconfig
        make C=1 CF=-D__CHECK_ENDIAN__


sparse warnings: (new ones prefixed by >>)

>> drivers/staging/fbtft/fbtft-bus.c:66:1: sparse: incorrect type in assignment (different base types) @@    expected restricted __be16 [usertype] <noident> @@    got unsignedrestricted __be16 [usertype] <noident> @@
   drivers/staging/fbtft/fbtft-bus.c:66:1:    expected restricted __be16 [usertype] <noident>
   drivers/staging/fbtft/fbtft-bus.c:66:1:    got unsigned short [unsigned] [usertype] <noident>
>> drivers/staging/fbtft/fbtft-bus.c:66:1: sparse: incorrect type in assignment (different base types) @@    expected restricted __be16 [usertype] <noident> @@    got unsignedrestricted __be16 [usertype] <noident> @@
   drivers/staging/fbtft/fbtft-bus.c:66:1:    expected restricted __be16 [usertype] <noident>
   drivers/staging/fbtft/fbtft-bus.c:66:1:    got unsigned short [unsigned] [usertype] <noident>
>> drivers/staging/fbtft/fbtft-bus.c:66:1: sparse: incorrect type in assignment (different base types) @@    expected restricted __be16 [usertype] <noident> @@    got unsignedrestricted __be16 [usertype] <noident> @@
   drivers/staging/fbtft/fbtft-bus.c:66:1:    expected restricted __be16 [usertype] <noident>
   drivers/staging/fbtft/fbtft-bus.c:66:1:    got unsigned short [unsigned] [usertype] <noident>
   drivers/staging/fbtft/fbtft-bus.c:156:27: sparse: expression using sizeof(void)
   drivers/staging/fbtft/fbtft-bus.c:156:27: sparse: expression using sizeof(void)
   drivers/staging/fbtft/fbtft-bus.c:200:27: sparse: expression using sizeof(void)
   drivers/staging/fbtft/fbtft-bus.c:200:27: sparse: expression using sizeof(void)

vim +66 drivers/staging/fbtft/fbtft-bus.c

    64	
    65	define_fbtft_write_reg(fbtft_write_reg8_bus8, u8, u8, );
  > 66	define_fbtft_write_reg(fbtft_write_reg16_bus8, __be16, u16, );
    67	define_fbtft_write_reg(fbtft_write_reg16_bus16, u16, u16, );
    68	

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