linux-kernel - Re: [PATCH v4 11/11] staging: r8188eu: Remove unused macros

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Date:   Fri, 21 Oct 2022 05:20:41 +0530
From:   Deepak R Varma <drv@...lo.com>
To:     Greg KH <gregkh@...uxfoundation.org>
Cc:     Praveen Kumar <kumarpraveen@...ux.microsoft.com>,
        outreachy@...ts.linux.dev, Larry.Finger@...inger.net,
        phil@...lpotter.co.uk, paskripkin@...il.com,
        linux-staging@...ts.linux.dev, linux-kernel@...r.kernel.org,
        saurabh.truth@...il.com
Subject: Re: [PATCH v4 11/11] staging: r8188eu: Remove unused macros

On Fri, Oct 21, 2022 at 10:33:57AM +0200, Greg KH wrote:
> On Fri, Oct 21, 2022 at 05:04:37AM +0530, Deepak R Varma wrote:
> > On Fri, Oct 21, 2022 at 07:56:05AM +0200, Greg KH wrote:
> > > On Fri, Oct 21, 2022 at 11:21:06AM +0530, Praveen Kumar wrote:
> > > > On 21-10-2022 03:02, Deepak R Varma wrote:
> > > > > Simple variants of macros PlatformEFIOWrite and PlatformEFIORead are
> > > > > defined but never used. As they do not appear to be designed for anything
> > > > > significant, we can remove them to avoid unexpected usage.
> > > > >
> > > > > Suggested-by: Julia Lawall <julia.lawall@...ia.fr>
> > > > > Signed-off-by: Deepak R Varma <drv@...lo.com>
> > > > > ---
> > > > >
> > > > > Changes in v4:
> > > > >    1. Patch newly added to the patch set.
> > > > >
> > > > >
> > > > >  drivers/staging/r8188eu/include/rtw_io.h | 14 --------------
> > > > >  1 file changed, 14 deletions(-)
> > > > >
> > > > > diff --git a/drivers/staging/r8188eu/include/rtw_io.h b/drivers/staging/r8188eu/include/rtw_io.h
> > > > > index 87fcf6c94ff3..e9744694204b 100644
> > > > > --- a/drivers/staging/r8188eu/include/rtw_io.h
> > > > > +++ b/drivers/staging/r8188eu/include/rtw_io.h
> > > > > @@ -285,18 +285,4 @@ void bus_sync_io(struct io_queue *pio_q);
> > > > >  u32 _ioreq2rwmem(struct io_queue *pio_q);
> > > > >  void dev_power_down(struct adapter *Adapter, u8 bpwrup);
> > > > >
> > > > > -#define PlatformEFIOWrite1Byte(_a, _b, _c)		\
> > > > > -	rtw_write8(_a, _b, _c)
> > > > > -#define PlatformEFIOWrite2Byte(_a, _b, _c)		\
> > > > > -	rtw_write16(_a, _b, _c)
> > > > > -#define PlatformEFIOWrite4Byte(_a, _b, _c)		\
> > > > > -	rtw_write32(_a, _b, _c)
> > > > > -
> > > > > -#define PlatformEFIORead1Byte(_a, _b)		\
> > > >
> > > > Can the naming be reworked to make more Linux friendly ? something like PLATFORM_EFIO_READ1BYTE or better if there are other suggestions?
> > > > Rest others as applicable ?
> > >
> > > All of these should just be removed entirely and the normal calls here
> > > made instead.  There is no need for these #defines at all.
> >
> > Hello Greg,
> > The current patch scope results in removal of these #defines. Can you please
> > clarify what you mean by "normal calls here made instead"? Do you mean the
> > calling function should directly call the wrapped functions OR you are
> > suggesting converting these #defines to inline functions?
>
> The calling function should call the wrapped function instead, there is
> no need for another pointless level of indirection here.

Sounds good. Thank you for the clarification.

./drv

>
> thanks,
>
> greg k-h