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Re: [PATCH] rtlwifi/*/dm.c: Use const in swing_table declarations

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On Mon, 2020-06-29 at 11:12 +0800, Pkshih wrote:
> On Sun, 2020-06-28 at 19:51 -0700, joe@xxxxxxxxxxx wrote:
> > On 2020-06-28 19:09, Pkshih wrote:
> > > On Sun, 2020-06-28 at 03:17 -0700, Joe Perches wrote:
> > > 
> > > Use 'rtlwifi:' as subject title prefix is enough, likes
> > >   rtlwifi: Use const in swing_table declarations
> > 
> > We disagree.
> > 
> > I like knowing what content is changed via patch subject lines
> > as there are 3 rtlwifi drivers being changed by this one patch.
> 
> If 3 drivers are needed to be listed, I'd use below subject
> 
> "rtlwifi: Use const in rtl8188ee/rtl8723be/rtl8821ae swing_table declarations"
> 
> > 
> > But your choice, you can change it if you choose.
> > 
> > >> Reduce data usage about 1KB by using const.
> > []
> > > Please remove below type casting: 
> > > 
> > > @@ -1872,10 +1872,10 @@ static void 
> > > rtl8821ae_get_delta_swing_table(struct
> > > ieee80211_hw *hw,
> > >                 *up_b = rtl8821ae_delta_swing_table_idx_5gb_p[2];
> > >                 *down_b = rtl8821ae_delta_swing_table_idx_5gb_n[2];
> > >         } else {
> > > -           *up_a = (u8 *)rtl8818e_delta_swing_table_idx_24gb_p;
> > > -           *down_a = (u8 *)rtl8818e_delta_swing_table_idx_24gb_n;
> > > -           *up_b = (u8 *)rtl8818e_delta_swing_table_idx_24gb_p;
> > > -           *down_b = (u8 *)rtl8818e_delta_swing_table_idx_24gb_n;
> > > +               *up_a = rtl8818e_delta_swing_table_idx_24gb_p;
> > > +               *down_a = rtl8818e_delta_swing_table_idx_24gb_n;
> > > +               *up_b = rtl8818e_delta_swing_table_idx_24gb_p;
> > > +               *down_b = rtl8818e_delta_swing_table_idx_24gb_n;
> > 
> > The compiler is quiet about this so I believe this to be
> > an unrelated change and whitespace correction.
> 
> I know compiler doesn't warn this, but it looks wired to cast 'const u8 *'
> to 'u8 *' to 'const u8 *'.
> 
> 
> > 
> > Of course you could modify it if you choose.
> > 
> > btw: There's an unnecessary return at the 2nd instance
> >       of this cast removal too.
> 
> It seems like to copy from rtl8812ae_get_delta_swing_table(), so
> I can remove it by another patch.
> 

Two patches are sent:

rtlwifi: 8821ae: remove unused path B parameters from swing table
rtlwifi: Use const in 8188ee/8723be/8821ae swing_table declarations

---
Thanks
PK




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