netdev - Re: [PATCH net-next] net: phy: improve struct phy

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Message-ID: <20181108222436.GH5259@lunn.ch>
Date:   Thu, 8 Nov 2018 23:24:36 +0100
From:   Andrew Lunn <andrew@...n.ch>
To:     Heiner Kallweit <hkallweit1@...il.com>
Cc:     Florian Fainelli <f.fainelli@...il.com>,
        David Miller <davem@...emloft.net>,
        "netdev@...r.kernel.org" <netdev@...r.kernel.org>
Subject: Re: [PATCH net-next] net: phy: improve struct phy_device member
 interrupts handling

On Thu, Nov 08, 2018 at 10:36:33PM +0100, Heiner Kallweit wrote:
> As a heritage from the very early days of phylib member interrupts is
> defined as u32 even though it's just a flag whether interrupts are
> enabled. So we can change it to a bitfield member. In addition change
> the code dealing with this member in a way that it's clear we're
> dealing with a bool value.
> 
> Signed-off-by: Heiner Kallweit <hkallweit1@...il.com>
> ---
> Actually this member isn't needed at all and could be replaced with
> a parameter in phy_driver->config_intr. But this would mean an API
> change, maybe I come up with a proposal later.
> ---
>  drivers/net/phy/phy.c |  2 +-
>  include/linux/phy.h   | 10 +++++-----
>  2 files changed, 6 insertions(+), 6 deletions(-)
> 
> diff --git a/drivers/net/phy/phy.c b/drivers/net/phy/phy.c
> index dd5bff955..a5e6acfe6 100644
> --- a/drivers/net/phy/phy.c
> +++ b/drivers/net/phy/phy.c
> @@ -115,7 +115,7 @@ static int phy_clear_interrupt(struct phy_device *phydev)
>   *
>   * Returns 0 on success or < 0 on error.
>   */
> -static int phy_config_interrupt(struct phy_device *phydev, u32 interrupts)
> +static int phy_config_interrupt(struct phy_device *phydev, bool interrupts)
>  {
>  	phydev->interrupts = interrupts;
>  	if (phydev->drv->config_intr)
> diff --git a/include/linux/phy.h b/include/linux/phy.h
> index 5dd85c441..fc90af152 100644
> --- a/include/linux/phy.h
> +++ b/include/linux/phy.h
> @@ -263,8 +263,8 @@ static inline struct mii_bus *devm_mdiobus_alloc(struct device *dev)
>  void devm_mdiobus_free(struct device *dev, struct mii_bus *bus);
>  struct phy_device *mdiobus_scan(struct mii_bus *bus, int addr);
>  
> -#define PHY_INTERRUPT_DISABLED	0x0
> -#define PHY_INTERRUPT_ENABLED	0x80000000
> +#define PHY_INTERRUPT_DISABLED	0
> +#define PHY_INTERRUPT_ENABLED	1

Hi Heiner

Since this is passed around as a bool, false/true would be better than
0/1.

	Andrew