Re: [PATCH 1/2] extcon: ptn5150: Use defines for registers

From: Chanwoo Choi
Date: Thu Sep 10 2020 - 23:02:18 EST


On 9/10/20 12:01 AM, Krzysztof Kozlowski wrote:
> The register addresses are not continuous, so use simple defines for
> them. This also makes it easier to find the address for register.
>
> No functional change.
>
> Signed-off-by: Krzysztof Kozlowski <krzk@xxxxxxxxxx>
> ---
> drivers/extcon/extcon-ptn5150.c | 22 ++++++++++------------
> 1 file changed, 10 insertions(+), 12 deletions(-)
>
> diff --git a/drivers/extcon/extcon-ptn5150.c b/drivers/extcon/extcon-ptn5150.c
> index dda5b3a3a908..1b68f56d8372 100644
> --- a/drivers/extcon/extcon-ptn5150.c
> +++ b/drivers/extcon/extcon-ptn5150.c
> @@ -19,18 +19,16 @@
> #include <linux/gpio/consumer.h>
>
> /* PTN5150 registers */
> -enum ptn5150_reg {
> - PTN5150_REG_DEVICE_ID = 0x01,
> - PTN5150_REG_CONTROL,
> - PTN5150_REG_INT_STATUS,
> - PTN5150_REG_CC_STATUS,
> - PTN5150_REG_CON_DET = 0x09,
> - PTN5150_REG_VCONN_STATUS,
> - PTN5150_REG_RESET,
> - PTN5150_REG_INT_MASK = 0x18,
> - PTN5150_REG_INT_REG_STATUS,
> - PTN5150_REG_END,
> -};
> +#define PTN5150_REG_DEVICE_ID 0x01
> +#define PTN5150_REG_CONTROL 0x02
> +#define PTN5150_REG_INT_STATUS 0x03
> +#define PTN5150_REG_CC_STATUS 0x04
> +#define PTN5150_REG_CON_DET 0x09
> +#define PTN5150_REG_VCONN_STATUS 0x0a
> +#define PTN5150_REG_RESET 0x0b
> +#define PTN5150_REG_INT_MASK 0x18
> +#define PTN5150_REG_INT_REG_STATUS 0x19
> +#define PTN5150_REG_END PTN5150_REG_INT_REG_STATUS

PTN5150_REG_END should be (PTN5150_REG_INT_REG_STATUS + 1)
for regmap operation of PTN5150_REG_INT_REG_STATUS.

>
> #define PTN5150_DFP_ATTACHED 0x1
> #define PTN5150_UFP_ATTACHED 0x2
>
--
Best Regards,
Chanwoo Choi
Samsung Electronics