Re: [PATCH 12/15] usb: typec: tcpm/tcpci_maxim: use GENMASK() for TCPC_VENDOR_CC_CTRL3 register

From: Heikki Krogerus
Date: Wed Jul 31 2024 - 08:38:55 EST


On Wed, Jul 10, 2024 at 11:36:19AM +0100, André Draszik wrote:
> Convert register TCPC_VENDOR_CC_CTRL3 to using GENMASK() so as to keep
> using a similar approach throughout the code base and make it arguably
> easier to read.
>
> Signed-off-by: André Draszik <andre.draszik@xxxxxxxxxx>

Reviewed-by: Heikki Krogerus <heikki.krogerus@xxxxxxxxxxxxxxx>

> ---
> drivers/usb/typec/tcpm/maxim_contaminant.c | 9 +++++----
> drivers/usb/typec/tcpm/tcpci_maxim.h | 9 +++------
> 2 files changed, 8 insertions(+), 10 deletions(-)
>
> diff --git a/drivers/usb/typec/tcpm/maxim_contaminant.c b/drivers/usb/typec/tcpm/maxim_contaminant.c
> index f7acaa42329f..cf9887de96c9 100644
> --- a/drivers/usb/typec/tcpm/maxim_contaminant.c
> +++ b/drivers/usb/typec/tcpm/maxim_contaminant.c
> @@ -283,10 +283,11 @@ static int max_contaminant_enable_dry_detection(struct max_tcpci_chip *chip)
> u8 temp;
> int ret;
>
> - ret = regmap_update_bits(regmap, TCPC_VENDOR_CC_CTRL3, CCWTRDEB_MASK | CCWTRSEL_MASK
> - | WTRCYCLE_MASK, CCWTRDEB_1MS << CCWTRDEB_SHIFT |
> - CCWTRSEL_1V << CCWTRSEL_SHIFT | WTRCYCLE_4_8_S <<
> - WTRCYCLE_SHIFT);
> + ret = regmap_update_bits(regmap, TCPC_VENDOR_CC_CTRL3,
> + CCWTRDEB | CCWTRSEL | WTRCYCLE,
> + FIELD_PREP(CCWTRDEB, CCWTRDEB_1MS)
> + | FIELD_PREP(CCWTRSEL, CCWTRSEL_1V)
> + | FIELD_PREP(WTRCYCLE, WTRCYCLE_4_8_S));
> if (ret < 0)
> return ret;
>
> diff --git a/drivers/usb/typec/tcpm/tcpci_maxim.h b/drivers/usb/typec/tcpm/tcpci_maxim.h
> index 92c9a628ebe1..34076069444f 100644
> --- a/drivers/usb/typec/tcpm/tcpci_maxim.h
> +++ b/drivers/usb/typec/tcpm/tcpci_maxim.h
> @@ -27,15 +27,12 @@
> #define UA_80_SRC 3
>
> #define TCPC_VENDOR_CC_CTRL3 0x8e
> -#define CCWTRDEB_MASK GENMASK(7, 6)
> -#define CCWTRDEB_SHIFT 6
> +#define CCWTRDEB GENMASK(7, 6)
> #define CCWTRDEB_1MS 1
> -#define CCWTRSEL_MASK GENMASK(5, 3)
> -#define CCWTRSEL_SHIFT 3
> +#define CCWTRSEL GENMASK(5, 3)
> #define CCWTRSEL_1V 0x4
> #define CCLADDERDIS BIT(2)
> -#define WTRCYCLE_MASK BIT(0)
> -#define WTRCYCLE_SHIFT 0
> +#define WTRCYCLE GENMASK(0, 0)
> #define WTRCYCLE_2_4_S 0
> #define WTRCYCLE_4_8_S 1
>
>
> --
> 2.45.2.803.g4e1b14247a-goog

--
heikki