diff mbox series

[v1] usb: typec: tcpci: Refactor tcpc_presenting_cc1_rd macro

Message ID 20210310223536.3471243-1-badhri@google.com (mailing list archive)
State Accepted
Commit aecb1e452d9e9de593b58330eb0279671be04436
Headers show
Series [v1] usb: typec: tcpci: Refactor tcpc_presenting_cc1_rd macro | expand

Commit Message

Badhri Jagan Sridharan March 10, 2021, 10:35 p.m. UTC
Defining one macro instead of two for tcpc_presenting_*_rd.
This is a follow up of the comment left by Heikki Krogerus.

https://patchwork.kernel.org/project/linux-usb/patch/
20210304070931.1947316-1-badhri@google.com/

Signed-off-by: Badhri Jagan Sridharan <badhri@google.com>
---
 drivers/usb/typec/tcpm/tcpci.c | 14 +++++---------
 1 file changed, 5 insertions(+), 9 deletions(-)

Comments

Guenter Roeck March 10, 2021, 11:54 p.m. UTC | #1
On Wed, Mar 10, 2021 at 02:35:36PM -0800, Badhri Jagan Sridharan wrote:
> Defining one macro instead of two for tcpc_presenting_*_rd.
> This is a follow up of the comment left by Heikki Krogerus.
> 
> https://patchwork.kernel.org/project/linux-usb/patch/
> 20210304070931.1947316-1-badhri@google.com/
> 
> Signed-off-by: Badhri Jagan Sridharan <badhri@google.com>

Reviewed-by: Guenter Roeck <linux@roeck-us.net>

Guenter

> ---
>  drivers/usb/typec/tcpm/tcpci.c | 14 +++++---------
>  1 file changed, 5 insertions(+), 9 deletions(-)
> 
> diff --git a/drivers/usb/typec/tcpm/tcpci.c b/drivers/usb/typec/tcpm/tcpci.c
> index 027afd7dfdce..25b480752266 100644
> --- a/drivers/usb/typec/tcpm/tcpci.c
> +++ b/drivers/usb/typec/tcpm/tcpci.c
> @@ -24,14 +24,10 @@
>  #define	AUTO_DISCHARGE_PD_HEADROOM_MV		850
>  #define	AUTO_DISCHARGE_PPS_HEADROOM_MV		1250
>  
> -#define tcpc_presenting_cc1_rd(reg) \
> +#define tcpc_presenting_rd(reg, cc) \
>  	(!(TCPC_ROLE_CTRL_DRP & (reg)) && \
> -	 (((reg) & (TCPC_ROLE_CTRL_CC1_MASK << TCPC_ROLE_CTRL_CC1_SHIFT)) == \
> -	  (TCPC_ROLE_CTRL_CC_RD << TCPC_ROLE_CTRL_CC1_SHIFT)))
> -#define tcpc_presenting_cc2_rd(reg) \
> -	(!(TCPC_ROLE_CTRL_DRP & (reg)) && \
> -	 (((reg) & (TCPC_ROLE_CTRL_CC2_MASK << TCPC_ROLE_CTRL_CC2_SHIFT)) == \
> -	  (TCPC_ROLE_CTRL_CC_RD << TCPC_ROLE_CTRL_CC2_SHIFT)))
> +	 (((reg) & (TCPC_ROLE_CTRL_## cc ##_MASK << TCPC_ROLE_CTRL_## cc ##_SHIFT)) == \
> +	  (TCPC_ROLE_CTRL_CC_RD << TCPC_ROLE_CTRL_## cc ##_SHIFT)))
>  
>  struct tcpci {
>  	struct device *dev;
> @@ -201,11 +197,11 @@ static int tcpci_get_cc(struct tcpc_dev *tcpc,
>  	*cc1 = tcpci_to_typec_cc((reg >> TCPC_CC_STATUS_CC1_SHIFT) &
>  				 TCPC_CC_STATUS_CC1_MASK,
>  				 reg & TCPC_CC_STATUS_TERM ||
> -				 tcpc_presenting_cc1_rd(role_control));
> +				 tcpc_presenting_rd(role_control, CC1));
>  	*cc2 = tcpci_to_typec_cc((reg >> TCPC_CC_STATUS_CC2_SHIFT) &
>  				 TCPC_CC_STATUS_CC2_MASK,
>  				 reg & TCPC_CC_STATUS_TERM ||
> -				 tcpc_presenting_cc2_rd(role_control));
> +				 tcpc_presenting_rd(role_control, CC2));
>  
>  	return 0;
>  }
> -- 
> 2.31.0.rc1.246.gcd05c9c855-goog
>
Heikki Krogerus March 11, 2021, 8:27 a.m. UTC | #2
On Wed, Mar 10, 2021 at 02:35:36PM -0800, Badhri Jagan Sridharan wrote:
> Defining one macro instead of two for tcpc_presenting_*_rd.
> This is a follow up of the comment left by Heikki Krogerus.
> 
> https://patchwork.kernel.org/project/linux-usb/patch/
> 20210304070931.1947316-1-badhri@google.com/
> 
> Signed-off-by: Badhri Jagan Sridharan <badhri@google.com>

Reviewed-by: Heikki Krogerus <heikki.krogerus@linux.intel.com>

> ---
>  drivers/usb/typec/tcpm/tcpci.c | 14 +++++---------
>  1 file changed, 5 insertions(+), 9 deletions(-)
> 
> diff --git a/drivers/usb/typec/tcpm/tcpci.c b/drivers/usb/typec/tcpm/tcpci.c
> index 027afd7dfdce..25b480752266 100644
> --- a/drivers/usb/typec/tcpm/tcpci.c
> +++ b/drivers/usb/typec/tcpm/tcpci.c
> @@ -24,14 +24,10 @@
>  #define	AUTO_DISCHARGE_PD_HEADROOM_MV		850
>  #define	AUTO_DISCHARGE_PPS_HEADROOM_MV		1250
>  
> -#define tcpc_presenting_cc1_rd(reg) \
> +#define tcpc_presenting_rd(reg, cc) \
>  	(!(TCPC_ROLE_CTRL_DRP & (reg)) && \
> -	 (((reg) & (TCPC_ROLE_CTRL_CC1_MASK << TCPC_ROLE_CTRL_CC1_SHIFT)) == \
> -	  (TCPC_ROLE_CTRL_CC_RD << TCPC_ROLE_CTRL_CC1_SHIFT)))
> -#define tcpc_presenting_cc2_rd(reg) \
> -	(!(TCPC_ROLE_CTRL_DRP & (reg)) && \
> -	 (((reg) & (TCPC_ROLE_CTRL_CC2_MASK << TCPC_ROLE_CTRL_CC2_SHIFT)) == \
> -	  (TCPC_ROLE_CTRL_CC_RD << TCPC_ROLE_CTRL_CC2_SHIFT)))
> +	 (((reg) & (TCPC_ROLE_CTRL_## cc ##_MASK << TCPC_ROLE_CTRL_## cc ##_SHIFT)) == \
> +	  (TCPC_ROLE_CTRL_CC_RD << TCPC_ROLE_CTRL_## cc ##_SHIFT)))
>  
>  struct tcpci {
>  	struct device *dev;
> @@ -201,11 +197,11 @@ static int tcpci_get_cc(struct tcpc_dev *tcpc,
>  	*cc1 = tcpci_to_typec_cc((reg >> TCPC_CC_STATUS_CC1_SHIFT) &
>  				 TCPC_CC_STATUS_CC1_MASK,
>  				 reg & TCPC_CC_STATUS_TERM ||
> -				 tcpc_presenting_cc1_rd(role_control));
> +				 tcpc_presenting_rd(role_control, CC1));
>  	*cc2 = tcpci_to_typec_cc((reg >> TCPC_CC_STATUS_CC2_SHIFT) &
>  				 TCPC_CC_STATUS_CC2_MASK,
>  				 reg & TCPC_CC_STATUS_TERM ||
> -				 tcpc_presenting_cc2_rd(role_control));
> +				 tcpc_presenting_rd(role_control, CC2));
>  
>  	return 0;
>  }
> -- 
> 2.31.0.rc1.246.gcd05c9c855-goog

thanks,
diff mbox series

Patch

diff --git a/drivers/usb/typec/tcpm/tcpci.c b/drivers/usb/typec/tcpm/tcpci.c
index 027afd7dfdce..25b480752266 100644
--- a/drivers/usb/typec/tcpm/tcpci.c
+++ b/drivers/usb/typec/tcpm/tcpci.c
@@ -24,14 +24,10 @@ 
 #define	AUTO_DISCHARGE_PD_HEADROOM_MV		850
 #define	AUTO_DISCHARGE_PPS_HEADROOM_MV		1250
 
-#define tcpc_presenting_cc1_rd(reg) \
+#define tcpc_presenting_rd(reg, cc) \
 	(!(TCPC_ROLE_CTRL_DRP & (reg)) && \
-	 (((reg) & (TCPC_ROLE_CTRL_CC1_MASK << TCPC_ROLE_CTRL_CC1_SHIFT)) == \
-	  (TCPC_ROLE_CTRL_CC_RD << TCPC_ROLE_CTRL_CC1_SHIFT)))
-#define tcpc_presenting_cc2_rd(reg) \
-	(!(TCPC_ROLE_CTRL_DRP & (reg)) && \
-	 (((reg) & (TCPC_ROLE_CTRL_CC2_MASK << TCPC_ROLE_CTRL_CC2_SHIFT)) == \
-	  (TCPC_ROLE_CTRL_CC_RD << TCPC_ROLE_CTRL_CC2_SHIFT)))
+	 (((reg) & (TCPC_ROLE_CTRL_## cc ##_MASK << TCPC_ROLE_CTRL_## cc ##_SHIFT)) == \
+	  (TCPC_ROLE_CTRL_CC_RD << TCPC_ROLE_CTRL_## cc ##_SHIFT)))
 
 struct tcpci {
 	struct device *dev;
@@ -201,11 +197,11 @@  static int tcpci_get_cc(struct tcpc_dev *tcpc,
 	*cc1 = tcpci_to_typec_cc((reg >> TCPC_CC_STATUS_CC1_SHIFT) &
 				 TCPC_CC_STATUS_CC1_MASK,
 				 reg & TCPC_CC_STATUS_TERM ||
-				 tcpc_presenting_cc1_rd(role_control));
+				 tcpc_presenting_rd(role_control, CC1));
 	*cc2 = tcpci_to_typec_cc((reg >> TCPC_CC_STATUS_CC2_SHIFT) &
 				 TCPC_CC_STATUS_CC2_MASK,
 				 reg & TCPC_CC_STATUS_TERM ||
-				 tcpc_presenting_cc2_rd(role_control));
+				 tcpc_presenting_rd(role_control, CC2));
 
 	return 0;
 }