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Re: [PATCH v2 4/9] wifi: rtw88: Add rtw8703b.h

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On Fri, 2024-03-01 at 17:35 +0100, Fiona Klute wrote:
> 
> Am 01.03.24 um 03:09 schrieb Ping-Ke Shih:
> > > +++ b/drivers/net/wireless/realtek/rtw88/rtw8703b.h
> > > @@ -0,0 +1,103 @@
> > > +/* SPDX-License-Identifier: GPL-2.0 OR BSD-3-Clause */
> > > +/* Copyright Fiona Klute <fiona.klute@xxxxxx> */
> > > +
> > > +#ifndef __RTW8703B_H__
> > > +#define __RTW8703B_H__
> > > +
> > > +#include <linux/types.h>
> > > +#include <linux/compiler_attributes.h>
> > 
> > Removing these two headers can still compiled pass in my side. Please check why
> > you need them.
> 
> If I remove them whether the code compiles depends on the order of
> #includes. If some other header that includes those two is included
> before rtw8703b.h it works, otherwise it will break. I don't think
> that's desirable, though other rtw88 headers already behave that way
> (e.g. main.h must be included before the others). Also, clangd will
> complain about undefined types (u8, s8), which is less important but
> still annoying when working on the code. So I'd prefer to keep the includes.
> 
> > By the way, rtw8723d.h does
> >     #include "rtw8723x.h"
> > 
> > Can we use the same stuff?
> 
> I don't think so. The vendor driver has different code paths: With 8723D
> it takes one for "PHYSTS_2ND_TYPE_IC" [1], with 8703B the one for
> "ODM_IC_11N_SERIES" a few lines below. For those "2nd type" ICs there
> are different structs depending on the page number
> (phy_sts_rpt_jgr2_type[0-2]), while the "11N series" ones always use
> phy_status_rpt_8192cd (all defined in [2]).
> 
> However, the mainline rtlwifi driver has an equivalent struct called
> "phy_status_rpt" in
> drivers/net/wireless/realtek/rtlwifi/rtl8723be/trx.h. I don't know if
> sharing such definitions between different drivers is desirable. If yes,
> please let me know where the header should go.
> 
> [1]
> https://xff.cz/git/linux/tree/drivers/staging/rtl8723cs/hal/phydm/phydm_phystatus.c?h=orange-pi-6.7#n3142
> [2]
> https://xff.cz/git/linux/tree/drivers/staging/rtl8723cs/hal/phydm/phydm_phystatus.h?h=orange-pi-6.7
> 

Sorry for confusing. I meant to remove
   #include <linux/types.h>
   #include <linux/compiler_attributes.h>
and to add
   #include "rtw8723x.h"
like rtw8723d.h does after this patchset, not reference to vendor driver. 
  
Ping-Ke 





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