[PATCH] crypto: ccree - remove redundant 'flush_workqueue()' calls

[PATCH] crypto: ccree - remove redundant 'flush_workqueue()' calls

[Christophe JAILLET]

'destroy_workqueue()' already drains the queue before destroying it, so
there is no need to flush it explicitly.

Remove the redundant 'flush_workqueue()' calls.

This was generated with coccinelle:

@@
expression E;
@@
- 	flush_workqueue(E);
	destroy_workqueue(E);

Signed-off-by: Christophe JAILLET <christophe.jaillet@wanadoo.fr>
---
 drivers/crypto/ccree/cc_request_mgr.c | 1 -
 1 file changed, 1 deletion(-)

diff --git a/drivers/crypto/ccree/cc_request_mgr.c b/drivers/crypto/ccree/cc_request_mgr.c
index 33fb27745d52..887162df50f9 100644
--- a/drivers/crypto/ccree/cc_request_mgr.c
+++ b/drivers/crypto/ccree/cc_request_mgr.c
@@ -101,7 +101,6 @@ void cc_req_mgr_fini(struct cc_drvdata *drvdata)
 	dev_dbg(dev, "max_used_sw_slots=%d\n", req_mgr_h->max_used_sw_slots);
 
 #ifdef COMP_IN_WQ
-	flush_workqueue(req_mgr_h->workq);
 	destroy_workqueue(req_mgr_h->workq);
 #else
 	/* Kill tasklet */
-- 
2.30.2

Re: [PATCH] crypto: ccree - remove redundant 'flush_workqueue()' calls

[Cristian Marussi]

On Fri, Nov 12, 2021 at 05:49:23PM +0100, Christophe JAILLET wrote:
> 'destroy_workqueue()' already drains the queue before destroying it, so
> there is no need to flush it explicitly.
> 
> Remove the redundant 'flush_workqueue()' calls.
> 
> This was generated with coccinelle:

Hi Cristophe,

> 
> @@
> expression E;
> @@
> - 	flush_workqueue(E);
> 	destroy_workqueue(E);
> 
> Signed-off-by: Christophe JAILLET <christophe.jaillet@wanadoo.fr>

LGTM.

Reviewed-by: Cristian Marussi <cristian.marussi@arm.com>

Thanks,
Cristian

> ---
>  drivers/crypto/ccree/cc_request_mgr.c | 1 -
>  1 file changed, 1 deletion(-)
> 
> diff --git a/drivers/crypto/ccree/cc_request_mgr.c b/drivers/crypto/ccree/cc_request_mgr.c
> index 33fb27745d52..887162df50f9 100644
> --- a/drivers/crypto/ccree/cc_request_mgr.c
> +++ b/drivers/crypto/ccree/cc_request_mgr.c
> @@ -101,7 +101,6 @@ void cc_req_mgr_fini(struct cc_drvdata *drvdata)
>  	dev_dbg(dev, "max_used_sw_slots=%d\n", req_mgr_h->max_used_sw_slots);
>  
>  #ifdef COMP_IN_WQ
> -	flush_workqueue(req_mgr_h->workq);
>  	destroy_workqueue(req_mgr_h->workq);
>  #else
>  	/* Kill tasklet */
> -- 
> 2.30.2
> 

Re: [PATCH] crypto: ccree - remove redundant 'flush_workqueue()' calls

[Gilad Ben-Yossef]

On Fri, Nov 12, 2021 at 6:49 PM Christophe JAILLET
<christophe.jaillet@wanadoo.fr> wrote:
>
> 'destroy_workqueue()' already drains the queue before destroying it, so
> there is no need to flush it explicitly.
>
> Remove the redundant 'flush_workqueue()' calls.
>
> This was generated with coccinelle:
>
> @@
> expression E;
> @@
> -       flush_workqueue(E);
>         destroy_workqueue(E);
>
> Signed-off-by: Christophe JAILLET <christophe.jaillet@wanadoo.fr>
> ---
>  drivers/crypto/ccree/cc_request_mgr.c | 1 -
>  1 file changed, 1 deletion(-)
>
> diff --git a/drivers/crypto/ccree/cc_request_mgr.c b/drivers/crypto/ccree/cc_request_mgr.c
> index 33fb27745d52..887162df50f9 100644
> --- a/drivers/crypto/ccree/cc_request_mgr.c
> +++ b/drivers/crypto/ccree/cc_request_mgr.c
> @@ -101,7 +101,6 @@ void cc_req_mgr_fini(struct cc_drvdata *drvdata)
>         dev_dbg(dev, "max_used_sw_slots=%d\n", req_mgr_h->max_used_sw_slots);
>
>  #ifdef COMP_IN_WQ
> -       flush_workqueue(req_mgr_h->workq);
>         destroy_workqueue(req_mgr_h->workq);
>  #else
>         /* Kill tasklet */
> --
> 2.30.2
>

Acked-by: Gilad Ben-Yossef <gilad@benyossef.com>

Thank you for finding ths.

Also, this triggers me to revisit why the workqueue code is there at
all. I think we don't actually use it, so double thanks.

Gilad

-- 
Gilad Ben-Yossef
Chief Coffee Drinker

values of β will give rise to dom!

Re: [PATCH] crypto: ccree - remove redundant 'flush_workqueue()' calls

[Herbert Xu]

On Fri, Nov 12, 2021 at 05:49:23PM +0100, Christophe JAILLET wrote:
> 'destroy_workqueue()' already drains the queue before destroying it, so
> there is no need to flush it explicitly.
> 
> Remove the redundant 'flush_workqueue()' calls.
> 
> This was generated with coccinelle:
> 
> @@
> expression E;
> @@
> - 	flush_workqueue(E);
> 	destroy_workqueue(E);
> 
> Signed-off-by: Christophe JAILLET <christophe.jaillet@wanadoo.fr>
> ---
>  drivers/crypto/ccree/cc_request_mgr.c | 1 -
>  1 file changed, 1 deletion(-)

Patch applied.  Thanks.
-- 
Email: Herbert Xu <herbert@gondor.apana.org.au>
Home Page: http://gondor.apana.org.au/~herbert/
PGP Key: http://gondor.apana.org.au/~herbert/pubkey.txt