On Tue, 2021-08-03 at 16:15 +0100, Colin Ian King wrote:
> On 03/08/2021 16:09, Joe Perches wrote:
> > On Tue, 2021-08-03 at 15:49 +0100, Colin King wrote:
> > > Don't populate arrays the stack but instead make them static const. Replace
> > > array channel_info with channel_all since it contains the same data as
> > > channel_all. Makes object code smaller by 961 bytes.
> > []
> > > diff --git a/drivers/net/wireless/realtek/rtlwifi/rtl8192de/phy.c b/drivers/net/wireless/realtek/rtlwifi/rtl8192de/phy.c
> > []
> > > @@ -160,6 +160,15 @@ static u32 targetchnl_2g[TARGET_CHNL_NUM_2G] = {
> > > 25711, 25658, 25606, 25554, 25502, 25451, 25328
> > > };
> > >
> > > +static const u8 channel_all[59] = {
> >
> > I don't believe there is a significant value in sizing the array
> > as 59 instead of letting the compiler count the elements.
>
> I was reluctant to remove this as I supposed the original had it in for
> a purpose, e.g. to ensure that the array was not populated with more
> data than intended. Does it make much of a difference?
>
> >
> > > + 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14,
> > > + 36, 38, 40, 42, 44, 46, 48, 50, 52, 54, 56, 58,
> > > + 60, 62, 64, 100, 102, 104, 106, 108, 110, 112,
> > > + 114, 116, 118, 120, 122, 124, 126, 128, 130,
> > > + 132, 134, 136, 138, 140, 149, 151, 153, 155,
> > > + 157, 159, 161, 163, 165
> > > +};
Dunno.
Maybe not, but I did have to count the elements to see if
it really was 59 or the compiler was adding trailing 0's.
OK I really did a grep to count the commas and added 1...
