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Fri, 26 Mar 2021 04:12:45 -0700 (PDT) Date: Fri, 26 Mar 2021 12:12:42 +0100 From: Fabio Aiuto To: Dan Carpenter Cc: gregkh@linuxfoundation.org, linux-staging@lists.linux.dev, linux-kernel@vger.kernel.org Subject: Re: [PATCH 04/15] staging: rtl8723bs: put parentheses on macros with complex values in include/basic_types.h Message-ID: <20210326111241.GD1452@agape.jhs> References: <2c7c198ccef194b06921bc476eda7d5102ab70dc.1616748885.git.fabioaiuto83@gmail.com> <20210326100408.GE1717@kadam> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20210326100408.GE1717@kadam> User-Agent: Mutt/1.10.1 (2018-07-13) Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Fri, Mar 26, 2021 at 01:04:08PM +0300, Dan Carpenter wrote: > On Fri, Mar 26, 2021 at 10:09:11AM +0100, Fabio Aiuto wrote: > > fix the following checkpatch warnings: > > > > ERROR: Macros with complex values should be enclosed in parentheses > > 154: FILE: drivers/staging/rtl8723bs/include/basic_types.h:154: > > +#define SET_BITS_TO_LE_4BYTE(__pstart, __bitoffset, __bitlen, __val) \ > > -- > > ERROR: Macros with multiple statements should be enclosed in > > a do - while loop > > 161: FILE: drivers/staging/rtl8723bs/include/basic_types.h:161: > > +#define SET_BITS_TO_LE_2BYTE(__pstart, __bitoffset, __bitlen, __val) \ > > -- > > ERROR: Macros with complex values should be enclosed in parentheses > > 168: FILE: drivers/staging/rtl8723bs/include/basic_types.h:168: > > +#define SET_BITS_TO_LE_1BYTE(__pstart, __bitoffset, __bitlen, __val) \ > > > > parentheses solution preferred for all fixes and made macros more > > readables > > > > Signed-off-by: Fabio Aiuto > > --- > > .../staging/rtl8723bs/include/basic_types.h | 30 +++++++++++-------- > > 1 file changed, 18 insertions(+), 12 deletions(-) > > > > diff --git a/drivers/staging/rtl8723bs/include/basic_types.h b/drivers/staging/rtl8723bs/include/basic_types.h > > index 76304086107a..5054c2e3384c 100644 > > --- a/drivers/staging/rtl8723bs/include/basic_types.h > > +++ b/drivers/staging/rtl8723bs/include/basic_types.h > > @@ -152,24 +152,30 @@ > > /* Set subfield of little-endian 4-byte value to specified value. */ > > /* */ > > #define SET_BITS_TO_LE_4BYTE(__pstart, __bitoffset, __bitlen, __val) \ > > - *((u32 *)(__pstart)) = \ > > - ( \ > > - LE_BITS_CLEARED_TO_4BYTE(__pstart, __bitoffset, __bitlen) | \ > > - ((((u32)__val) & BIT_LEN_MASK_32(__bitlen)) << (__bitoffset)) \ > > + (\ > > + *((u32 *)(__pstart)) = \ > > + ( \ > > + LE_BITS_CLEARED_TO_4BYTE(__pstart, __bitoffset, __bitlen) | \ > > + ((((u32)__val) & BIT_LEN_MASK_32(__bitlen)) << (__bitoffset)) \ > > + )\ > > ) > > > > These macros are terrible and this makes it uglier. Better to just > ignore checkpatch until we can figure out a way to re-write this > properly. > > regards, > dan carpenter > I see, will drop the patch for now. thanks, fabio