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Date:   Fri, 03 Nov 2017 07:11:21 -0700
From:   Joe Perches <joe@...ches.com>
To:     Egil Hjelmeland <privat@...l-hjelmeland.no>, andrew@...n.ch,
        vivien.didelot@...oirfairelinux.com, f.fainelli@...il.com,
        netdev@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH net-next 4/5] net: dsa: lan9303: Remove unnecessary
 parentheses

On Fri, 2017-11-03 at 11:55 +0100, Egil Hjelmeland wrote:
> Remove scripts/checkpatch.pl CHECKs by remove unnecessary parentheses
[]
> diff --git a/drivers/net/dsa/lan9303-core.c b/drivers/net/dsa/lan9303-core.c
[]
> @@ -483,7 +483,7 @@ static int lan9303_detect_phy_setup(struct lan9303 *chip)
>  		return reg;
>  	}
>  
> -	if ((reg != 0) && (reg != 0xffff))
> +	if (reg != 0 && reg != 0xffff)
>  		chip->phy_addr_sel_strap = 1;
>  	else
>  		chip->phy_addr_sel_strap = 0;

phy_addr_sel_strap is currently bool.

If this is to be changed, it should be set
true or false.

My preference would be:

	chip->phy_addr_sel_strap = (reg != 0 && reg != 0xffff);

But perhaps its bool type should be converted
to int as this phy_addr_sel_strap is used as
int several times.

$ git grep phy_addr_sel_strap
drivers/net/dsa/lan9303-core.c: /* depending on the 'phy_addr_sel_strap' setting, the three phys are
drivers/net/dsa/lan9303-core.c:  * 'phy_addr_sel_strap' setting directly, so we need a test, which
drivers/net/dsa/lan9303-core.c:  * Special reg 18 of phy 3 reads as 0x0000, if 'phy_addr_sel_strap' is 0
drivers/net/dsa/lan9303-core.c:  * 0x0000, which means 'phy_addr_sel_strap' is 1 and the IDs are 1-2-3.
drivers/net/dsa/lan9303-core.c:         chip->phy_addr_sel_strap = 1;
drivers/net/dsa/lan9303-core.c:         chip->phy_addr_sel_strap = 0;
drivers/net/dsa/lan9303-core.c:         chip->phy_addr_sel_strap ? "1-2-3" : "0-1-2");
drivers/net/dsa/lan9303-core.c: int phy_base = chip->phy_addr_sel_strap;
drivers/net/dsa/lan9303-core.c: int phy_base = chip->phy_addr_sel_strap;
drivers/net/dsa/lan9303-core.c: if (port == chip->phy_addr_sel_strap) {
drivers/net/dsa/lan9303-core.c:         lan9303_phy_write(ds, chip->phy_addr_sel_strap + port,
drivers/net/dsa/lan9303-core.c: chip->ds->phys_mii_mask = chip->phy_addr_sel_strap ? 0xe : 0x7;
include/linux/dsa/lan9303.h:    bool phy_addr_sel_strap;

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