Am 19.02.2019 10:06, schrieb Mao Wenan:
> This patch is to do code cleanup for ns83820_probe_phy().
> It deletes unused variable 'first' and commented out code.
>
> Signed-off-by: Mao Wenan <maowenan@xxxxxxxxxx>
> ---
> v2->v3: delte unused variable 'first'; change subject from
> "net: ns83820: drop pointless static qualifier in ns83820_probe_phy()" to
> "net: ns83820: code cleanup for ns83820_probe_phy()".
> drivers/net/ethernet/natsemi/ns83820.c | 18 ------------------
> 1 file changed, 18 deletions(-)
>
> diff --git a/drivers/net/ethernet/natsemi/ns83820.c
> b/drivers/net/ethernet/natsemi/ns83820.c
> index 958fced4dacf..955d34a6f0d8 100644
> --- a/drivers/net/ethernet/natsemi/ns83820.c
> +++ b/drivers/net/ethernet/natsemi/ns83820.c
> @@ -1869,34 +1869,16 @@ static unsigned ns83820_mii_write_reg(struct ns83820
> *dev, unsigned phy, unsigne
> static void ns83820_probe_phy(struct net_device *ndev)
> {
> struct ns83820 *dev = PRIV(ndev);
> - static int first;
> int i;
> #define MII_PHYIDR1 0x02
> #define MII_PHYIDR2 0x03
>
> -#if 0
> - if (!first) {
> - unsigned tmp;
> - ns83820_mii_read_reg(dev, 1, 0x09);
> - ns83820_mii_write_reg(dev, 1, 0x10, 0x0d3e);
> -
> - tmp = ns83820_mii_read_reg(dev, 1, 0x00);
> - ns83820_mii_write_reg(dev, 1, 0x00, tmp | 0x8000);
> - udelay(1300);
> - ns83820_mii_read_reg(dev, 1, 0x09);
> - }
> -#endif
> - first = 1;
> -
> for (i=1; i<2; i++) {
the loop here seems also pointless, so you can eliminate i.
(or did i muss something ?)
just my 2 cents,
re,
wh
> int j;
> unsigned a, b;
> a = ns83820_mii_read_reg(dev, i, MII_PHYIDR1);
> b = ns83820_mii_read_reg(dev, i, MII_PHYIDR2);
>
> - //printk("%s: phy %d: 0x%04x 0x%04x\n",
> - // ndev->name, i, a, b);
> -
> for (j=0; j<0x16; j+=4) {
> dprintk("%s: [0x%02x] %04x %04x %04x %04x\n",
> ndev->name, j,
