[RFC PATCH 2/3] net: phy: Add helper routines to set and clear bits
Michal Simek
michal.simek at xilinx.com
Tue Apr 21 10:04:52 CEST 2020
On 20. 04. 20 20:53, Dan Murphy wrote:
> Add phy_set/clear_bit helper routines so that ported drivers from the
> kernel can use these functions.
>
> Signed-off-by: Dan Murphy <dmurphy at ti.com>
> ---
> include/phy.h | 38 ++++++++++++++++++++++++++++++++++++++
> 1 file changed, 38 insertions(+)
>
> diff --git a/include/phy.h b/include/phy.h
> index b5de14cbfc29..050c989fa537 100644
> --- a/include/phy.h
> +++ b/include/phy.h
> @@ -257,6 +257,44 @@ static inline int phy_write_mmd(struct phy_device *phydev, int devad,
> return phy_write(phydev, MDIO_DEVAD_NONE, MII_MMD_DATA, val);
> }
>
kernel-doc description would be good.
> +static inline int phy_set_bits_mmd(struct phy_device *phydev, int devad,
> + u32 regnum, u16 val)
> +{
> + int value;
> + int ret;
nit: on one line should be better.
> +
> + value = phy_read_mmd(phydev, devad, regnum);
> + if (value < 0)
> + return value;
> +
> + value |= val;
> +
> + ret = phy_write_mmd(phydev, devad, regnum, value);
> + if (ret < 0)
> + return ret;
> +
> + return 0;
> +}
> +
> +static inline int phy_clear_bits_mmd(struct phy_device *phydev, int devad,
> + u32 regnum, u16 val)
> +{
> + int value;
> + int ret;
ditto.
> +
> + value = phy_read_mmd(phydev, devad, regnum);
> + if (value < 0)
> + return value;
> +
> + value &= ~val;
> +
> + ret = phy_write_mmd(phydev, devad, regnum, value);
> + if (ret < 0)
> + return ret;
> +
> + return 0;
> +}
> +
> #ifdef CONFIG_PHYLIB_10G
> extern struct phy_driver gen10g_driver;
>
Thanks,
Michal
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