* [PATCH v2] usb: typec: tcpm: turn tcpm_ams_finish into void function
@ 2021-03-08 6:35 Yang Li
2021-03-08 11:03 ` Heikki Krogerus
2021-03-08 18:28 ` Guenter Roeck
0 siblings, 2 replies; 3+ messages in thread
From: Yang Li @ 2021-03-08 6:35 UTC (permalink / raw)
To: linux; +Cc: heikki.krogerus, gregkh, linux-usb, linux-kernel, Yang Li
This function always return '0' and no callers use the return value.
So make it a void function.
This eliminates the following coccicheck warning:
./drivers/usb/typec/tcpm/tcpm.c:778:5-8: Unneeded variable: "ret".
Return "0" on line 794
Reported-by: Abaci Robot <abaci@linux.alibaba.com>
Signed-off-by: Yang Li <yang.lee@linux.alibaba.com>
---
Change in v2:
-remove the unnecessary return statement
drivers/usb/typec/tcpm/tcpm.c | 6 +-----
1 file changed, 1 insertion(+), 5 deletions(-)
diff --git a/drivers/usb/typec/tcpm/tcpm.c b/drivers/usb/typec/tcpm/tcpm.c
index be0b646..8159229 100644
--- a/drivers/usb/typec/tcpm/tcpm.c
+++ b/drivers/usb/typec/tcpm/tcpm.c
@@ -773,10 +773,8 @@ static enum typec_cc_status tcpm_rp_cc(struct tcpm_port *port)
return TYPEC_CC_RP_DEF;
}
-static int tcpm_ams_finish(struct tcpm_port *port)
+static void tcpm_ams_finish(struct tcpm_port *port)
{
- int ret = 0;
-
tcpm_log(port, "AMS %s finished", tcpm_ams_str[port->ams]);
if (port->pd_capable && port->pwr_role == TYPEC_SOURCE) {
@@ -790,8 +788,6 @@ static int tcpm_ams_finish(struct tcpm_port *port)
port->in_ams = false;
port->ams = NONE_AMS;
-
- return ret;
}
static int tcpm_pd_transmit(struct tcpm_port *port,
--
1.8.3.1
^ permalink raw reply related [flat|nested] 3+ messages in thread* Re: [PATCH v2] usb: typec: tcpm: turn tcpm_ams_finish into void function
2021-03-08 6:35 [PATCH v2] usb: typec: tcpm: turn tcpm_ams_finish into void function Yang Li
@ 2021-03-08 11:03 ` Heikki Krogerus
2021-03-08 18:28 ` Guenter Roeck
1 sibling, 0 replies; 3+ messages in thread
From: Heikki Krogerus @ 2021-03-08 11:03 UTC (permalink / raw)
To: Yang Li; +Cc: linux, gregkh, linux-usb, linux-kernel
On Mon, Mar 08, 2021 at 02:35:30PM +0800, Yang Li wrote:
> This function always return '0' and no callers use the return value.
> So make it a void function.
>
> This eliminates the following coccicheck warning:
> ./drivers/usb/typec/tcpm/tcpm.c:778:5-8: Unneeded variable: "ret".
> Return "0" on line 794
>
> Reported-by: Abaci Robot <abaci@linux.alibaba.com>
> Signed-off-by: Yang Li <yang.lee@linux.alibaba.com>
Reviewed-by: Heikki Krogerus <heikki.krogerus@linux.intel.com>
> ---
>
> Change in v2:
> -remove the unnecessary return statement
>
> drivers/usb/typec/tcpm/tcpm.c | 6 +-----
> 1 file changed, 1 insertion(+), 5 deletions(-)
>
> diff --git a/drivers/usb/typec/tcpm/tcpm.c b/drivers/usb/typec/tcpm/tcpm.c
> index be0b646..8159229 100644
> --- a/drivers/usb/typec/tcpm/tcpm.c
> +++ b/drivers/usb/typec/tcpm/tcpm.c
> @@ -773,10 +773,8 @@ static enum typec_cc_status tcpm_rp_cc(struct tcpm_port *port)
> return TYPEC_CC_RP_DEF;
> }
>
> -static int tcpm_ams_finish(struct tcpm_port *port)
> +static void tcpm_ams_finish(struct tcpm_port *port)
> {
> - int ret = 0;
> -
> tcpm_log(port, "AMS %s finished", tcpm_ams_str[port->ams]);
>
> if (port->pd_capable && port->pwr_role == TYPEC_SOURCE) {
> @@ -790,8 +788,6 @@ static int tcpm_ams_finish(struct tcpm_port *port)
>
> port->in_ams = false;
> port->ams = NONE_AMS;
> -
> - return ret;
> }
>
> static int tcpm_pd_transmit(struct tcpm_port *port,
> --
> 1.8.3.1
--
heikki
^ permalink raw reply [flat|nested] 3+ messages in thread* Re: [PATCH v2] usb: typec: tcpm: turn tcpm_ams_finish into void function
2021-03-08 6:35 [PATCH v2] usb: typec: tcpm: turn tcpm_ams_finish into void function Yang Li
2021-03-08 11:03 ` Heikki Krogerus
@ 2021-03-08 18:28 ` Guenter Roeck
1 sibling, 0 replies; 3+ messages in thread
From: Guenter Roeck @ 2021-03-08 18:28 UTC (permalink / raw)
To: Yang Li; +Cc: heikki.krogerus, gregkh, linux-usb, linux-kernel
On Mon, Mar 08, 2021 at 02:35:30PM +0800, Yang Li wrote:
> This function always return '0' and no callers use the return value.
> So make it a void function.
>
> This eliminates the following coccicheck warning:
> ./drivers/usb/typec/tcpm/tcpm.c:778:5-8: Unneeded variable: "ret".
> Return "0" on line 794
>
> Reported-by: Abaci Robot <abaci@linux.alibaba.com>
> Signed-off-by: Yang Li <yang.lee@linux.alibaba.com>
Reviewed-by: Guenter Roeck <linux@roeck-us.net>
> ---
>
> Change in v2:
> -remove the unnecessary return statement
>
> drivers/usb/typec/tcpm/tcpm.c | 6 +-----
> 1 file changed, 1 insertion(+), 5 deletions(-)
>
> diff --git a/drivers/usb/typec/tcpm/tcpm.c b/drivers/usb/typec/tcpm/tcpm.c
> index be0b646..8159229 100644
> --- a/drivers/usb/typec/tcpm/tcpm.c
> +++ b/drivers/usb/typec/tcpm/tcpm.c
> @@ -773,10 +773,8 @@ static enum typec_cc_status tcpm_rp_cc(struct tcpm_port *port)
> return TYPEC_CC_RP_DEF;
> }
>
> -static int tcpm_ams_finish(struct tcpm_port *port)
> +static void tcpm_ams_finish(struct tcpm_port *port)
> {
> - int ret = 0;
> -
> tcpm_log(port, "AMS %s finished", tcpm_ams_str[port->ams]);
>
> if (port->pd_capable && port->pwr_role == TYPEC_SOURCE) {
> @@ -790,8 +788,6 @@ static int tcpm_ams_finish(struct tcpm_port *port)
>
> port->in_ams = false;
> port->ams = NONE_AMS;
> -
> - return ret;
> }
>
> static int tcpm_pd_transmit(struct tcpm_port *port,
> --
> 1.8.3.1
>
^ permalink raw reply [flat|nested] 3+ messages in thread
end of thread, other threads:[~2021-03-08 18:29 UTC | newest]
Thread overview: 3+ messages (download: mbox.gz / follow: Atom feed)
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2021-03-08 6:35 [PATCH v2] usb: typec: tcpm: turn tcpm_ams_finish into void function Yang Li
2021-03-08 11:03 ` Heikki Krogerus
2021-03-08 18:28 ` Guenter Roeck
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