Dear David,

On Mon, 2019-05-27 at 10:08 -0700, David Miller wrote:
> From: Biao Huang <biao.hu...@mediatek.com>
> Date: Mon, 27 May 2019 11:14:27 +0800
> 
> > diff --git a/drivers/net/ethernet/stmicro/stmmac/dwmac4_core.c 
> > b/drivers/net/ethernet/stmicro/stmmac/dwmac4_core.c
> > index 5e98da4..029a3db 100644
> > --- a/drivers/net/ethernet/stmicro/stmmac/dwmac4_core.c
> > +++ b/drivers/net/ethernet/stmicro/stmmac/dwmac4_core.c
> > @@ -403,41 +403,50 @@ static void dwmac4_set_filter(struct mac_device_info 
> > *hw,
> >                           struct net_device *dev)
> >  {
> >     void __iomem *ioaddr = (void __iomem *)dev->base_addr;
> > -   unsigned int value = 0;
> > +   unsigned int value;
> > +   int numhashregs = (hw->multicast_filter_bins >> 5);
> > +   int mcbitslog2 = hw->mcast_bits_log2;
> > +   int i;
> 
> Please retain the reverse christmas tree ordering here.
I'm a little confused about the reverse xmas tree ordering.

should I reorder them only according to the total length like this:

        void __iomem *ioaddr = (void __iomem *)dev->base_addr;
        int numhashregs = (hw->multicast_filter_bins >> 5);
        int mcbitslog2 = hw->mcast_bits_log2;
        unsigned int value;
        int i;

or should I gather the same type together, and order types as reverse
xmas tree, then order the same type definitions as reverse xmas tree,
like this:

        void __iomem *ioaddr = (void __iomem *)dev->base_addr;
        unsigned int value;
        int numhashregs = (hw->multicast_filter_bins >> 5);
        int mcbitslog2 = hw->mcast_bits_log2;
        int i;

Thank you.
> 
> Thank you.


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