[PATCH v6 02/14] firmware: qcom_scm: Remove redundant piece of code

Mukesh Ojha posted 14 patches 1 month, 2 weeks ago
There is a newer version of this series
[PATCH v6 02/14] firmware: qcom_scm: Remove redundant piece of code
Posted by Mukesh Ojha 1 month, 2 weeks ago
Remove some redundant piece of code to save some machine cycle.

Signed-off-by: Mukesh Ojha <mukesh.ojha@oss.qualcomm.com>
---
 drivers/firmware/qcom/qcom_scm.c | 2 --
 1 file changed, 2 deletions(-)

diff --git a/drivers/firmware/qcom/qcom_scm.c b/drivers/firmware/qcom/qcom_scm.c
index e777b7cb9b12..26969bcd763c 100644
--- a/drivers/firmware/qcom/qcom_scm.c
+++ b/drivers/firmware/qcom/qcom_scm.c
@@ -650,8 +650,6 @@ void qcom_scm_pas_metadata_release(struct qcom_scm_pas_metadata *ctx)
 	dma_free_coherent(__scm->dev, ctx->size, ctx->ptr, ctx->phys);
 
 	ctx->ptr = NULL;
-	ctx->phys = 0;
-	ctx->size = 0;
 }
 EXPORT_SYMBOL_GPL(qcom_scm_pas_metadata_release);
 

-- 
2.50.1
Re: [PATCH v6 02/14] firmware: qcom_scm: Remove redundant piece of code
Posted by Bryan O'Donoghue 1 month, 2 weeks ago
On 04/11/2025 07:35, Mukesh Ojha wrote:
> Remove some redundant piece of code to save some machine cycle.
> 
> Signed-off-by: Mukesh Ojha <mukesh.ojha@oss.qualcomm.com>
> ---
>   drivers/firmware/qcom/qcom_scm.c | 2 --
>   1 file changed, 2 deletions(-)
> 
> diff --git a/drivers/firmware/qcom/qcom_scm.c b/drivers/firmware/qcom/qcom_scm.c
> index e777b7cb9b12..26969bcd763c 100644
> --- a/drivers/firmware/qcom/qcom_scm.c
> +++ b/drivers/firmware/qcom/qcom_scm.c
> @@ -650,8 +650,6 @@ void qcom_scm_pas_metadata_release(struct qcom_scm_pas_metadata *ctx)
>   	dma_free_coherent(__scm->dev, ctx->size, ctx->ptr, ctx->phys);
> 
>   	ctx->ptr = NULL;
> -	ctx->phys = 0;
> -	ctx->size = 0;
>   }
>   EXPORT_SYMBOL_GPL(qcom_scm_pas_metadata_release);
> 
> 
> --
> 2.50.1
> 
> 

Please fix the commit log.

---
bod
Re: [PATCH v6 02/14] firmware: qcom_scm: Remove redundant piece of code
Posted by Mukesh Ojha 1 month, 2 weeks ago
On Tue, Nov 04, 2025 at 04:58:58PM +0000, Bryan O'Donoghue wrote:
> On 04/11/2025 07:35, Mukesh Ojha wrote:
> > Remove some redundant piece of code to save some machine cycle.
> > 
> > Signed-off-by: Mukesh Ojha <mukesh.ojha@oss.qualcomm.com>
> > ---
> >   drivers/firmware/qcom/qcom_scm.c | 2 --
> >   1 file changed, 2 deletions(-)
> > 
> > diff --git a/drivers/firmware/qcom/qcom_scm.c b/drivers/firmware/qcom/qcom_scm.c
> > index e777b7cb9b12..26969bcd763c 100644
> > --- a/drivers/firmware/qcom/qcom_scm.c
> > +++ b/drivers/firmware/qcom/qcom_scm.c
> > @@ -650,8 +650,6 @@ void qcom_scm_pas_metadata_release(struct qcom_scm_pas_metadata *ctx)
> >   	dma_free_coherent(__scm->dev, ctx->size, ctx->ptr, ctx->phys);
> > 
> >   	ctx->ptr = NULL;
> > -	ctx->phys = 0;
> > -	ctx->size = 0;
> >   }
> >   EXPORT_SYMBOL_GPL(qcom_scm_pas_metadata_release);
> > 
> > 
> > --
> > 2.50.1
> > 
> > 
> 
> Please fix the commit log.

how about this ?

""

The qcom_scm_pas_metadata_release() function already frees the allocated
memory and sets ctx->ptr to NULL. Resetting ctx->phys and ctx->size to
zero is unnecessary because the context is expected to be discarded
after release. 

Lets removes redundant assignments.

""
> 
> ---
> bod

-- 
-Mukesh Ojha