linux-kernel - Re: [PATCH net-next v2 1/2] net: phy: DP83TC811: Add INT

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Date:   Fri, 29 Jun 2018 17:45:02 +0200
From:   Andrew Lunn <andrew@...n.ch>
To:     Dan Murphy <dmurphy@...com>
Cc:     f.fainelli@...il.com, netdev@...r.kernel.org,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCH net-next v2 1/2] net: phy: DP83TC811: Add INT_STAT3

On Fri, Jun 29, 2018 at 10:35:45AM -0500, Dan Murphy wrote:
> Add INT_STAT3 interrupt setting and clearing
> support.
> 
> Signed-off-by: Dan Murphy <dmurphy@...com>
> ---
> 
> v2 - Removed bug fix removal of writing INT_STAT1 twice when disabling interrupts
> 
>  drivers/net/phy/dp83tc811.c | 26 ++++++++++++++++++++++++++
>  1 file changed, 26 insertions(+)
> 
> diff --git a/drivers/net/phy/dp83tc811.c b/drivers/net/phy/dp83tc811.c
> index 49ac678eb2dc..f8653f5d8789 100644
> --- a/drivers/net/phy/dp83tc811.c
> +++ b/drivers/net/phy/dp83tc811.c
> @@ -21,6 +21,7 @@
>  #define MII_DP83811_SGMII_CTRL	0x09
>  #define MII_DP83811_INT_STAT1	0x12
>  #define MII_DP83811_INT_STAT2	0x13
> +#define MII_DP83811_INT_STAT3	0x18
>  #define MII_DP83811_RESET_CTRL	0x1f
>  
>  #define DP83811_HW_RESET	BIT(15)
> @@ -44,6 +45,11 @@
>  #define DP83811_OVERVOLTAGE_INT_EN	BIT(6)
>  #define DP83811_UNDERVOLTAGE_INT_EN	BIT(7)
>  
> +/* INT_STAT3 bits */
> +#define DP83811_LPS_INT_EN	BIT(0)
> +#define DP83811_NO_FRAME_INT_EN	BIT(3)
> +#define DP83811_POR_DONE_INT_EN	BIT(4)
> +
>  #define MII_DP83811_RXSOP1	0x04a5
>  #define MII_DP83811_RXSOP2	0x04a6
>  #define MII_DP83811_RXSOP3	0x04a7
> @@ -81,6 +87,10 @@ static int dp83811_ack_interrupt(struct phy_device *phydev)
>  	if (err < 0)
>  		return err;
>  
> +	err = phy_read(phydev, MII_DP83811_INT_STAT3);
> +	if (err < 0)
> +		return err;
> +
>  	return 0;
>  }
>  
> @@ -216,6 +226,18 @@ static int dp83811_config_intr(struct phy_device *phydev)
>  				DP83811_UNDERVOLTAGE_INT_EN);
>  
>  		err = phy_write(phydev, MII_DP83811_INT_STAT2, misr_status);

Hi Dan

Isn't this going to fail to apply because net-next says STAT1 here?

That is why i said you need to wait for David to merge net into
net-next. Then you can submit these patches, and not have conflicts.

	  Andrew