netdev - Re: [PATCH net-next v12 04/15] net: stmmac: dwmac-loongson: Drop useless platform data

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Message-ID: <d6swg4bxrzvs7cpn3hd6xfji2cr6vnb7z7fvd4dkuyrufm4el7@qj3minrgctyt>
Date: Fri, 3 May 2024 17:47:03 +0300
From: Serge Semin <fancer.lancer@...il.com>
To: Yanteng Si <siyanteng@...ngson.cn>
Cc: andrew@...n.ch, hkallweit1@...il.com, peppe.cavallaro@...com, 
	alexandre.torgue@...s.st.com, joabreu@...opsys.com, Jose.Abreu@...opsys.com, 
	chenhuacai@...nel.org, linux@...linux.org.uk, guyinggang@...ngson.cn, 
	netdev@...r.kernel.org, chris.chenfeiyang@...il.com, siyanteng01@...il.com
Subject: Re: [PATCH net-next v12 04/15] net: stmmac: dwmac-loongson: Drop
 useless platform data

On Fri, May 03, 2024 at 01:55:38PM +0300, Serge Semin wrote:
> On Thu, Apr 25, 2024 at 09:04:35PM +0800, Yanteng Si wrote:
> > The multicast_filter_bins is initialized twice, it should
> > be 256, let's drop the first useless assignment.
> 
> Please drop the second plat_stmmacenet_data::multicast_filter_bins
> init statement and just change the first one to initializing the
> correct value - 256. Thus you'll have
> 1. the multicast and unicast filters size inits done in the same place;
> 2. the in-situ comments preserved (it's not like they're that much
> helpful, but seeing the rest of the lines have a comment above it
> would be nice to have the comment preserved here too);
> 3. dropped the statement closely attached to the return statement
> (in kernel it's a widespread practice to separate the return
> statement with an empty line).
> 
> The unit 1. is the main reason of course.
> 
> A bit more readable commit log would be:
> 

> "The plat_stmmacenet_data::multicast_filter_bins field is twice
> initialized in the loongson_default_data() method. Drop the redundant
> initialization, but for the readability sake keep the filters init
> statements defined in the same place of the method."

[PATCH net-next v12 04/15] net: stmmac: dwmac-loongson: Drop useless platform data

The patch subject is too generic. Just make it:

[PATCH net-next v12 04/15] net: stmmac: dwmac-loongson: Drop duplicated hash-based filter size init

-Serge(y)

> 
> -Serge(y)
> 
> > 
> > Signed-off-by: Feiyang Chen <chenfeiyang@...ngson.cn>
> > Signed-off-by: Yinggang Gu <guyinggang@...ngson.cn>
> > Signed-off-by: Yanteng Si <siyanteng@...ngson.cn>
> > ---
> >  drivers/net/ethernet/stmicro/stmmac/dwmac-loongson.c | 3 ---
> >  1 file changed, 3 deletions(-)
> > 
> > diff --git a/drivers/net/ethernet/stmicro/stmmac/dwmac-loongson.c b/drivers/net/ethernet/stmicro/stmmac/dwmac-loongson.c
> > index 9e40c28d453a..19906ea67636 100644
> > --- a/drivers/net/ethernet/stmicro/stmmac/dwmac-loongson.c
> > +++ b/drivers/net/ethernet/stmicro/stmmac/dwmac-loongson.c
> > @@ -15,9 +15,6 @@ static int loongson_default_data(struct plat_stmmacenet_data *plat)
> >  	plat->has_gmac = 1;
> >  	plat->force_sf_dma_mode = 1;
> >  
> > -	/* Set default value for multicast hash bins */
> > -	plat->multicast_filter_bins = HASH_TABLE_SIZE;
> > -
> >  	/* Set default value for unicast filter entries */
> >  	plat->unicast_filter_entries = 1;
> >  
> > -- 
> > 2.31.4
> >