diff mbox series

rtc: rx8581: Simplify probe()

Message ID 20230828090828.26897-1-biju.das.jz@bp.renesas.com (mailing list archive)
State Awaiting Upstream
Delegated to: Geert Uytterhoeven
Headers show
Series rtc: rx8581: Simplify probe() | expand

Commit Message

Biju Das Aug. 28, 2023, 9:08 a.m. UTC
Make similar OF and ID table and simplify probe() by replacing
of_device_get_match_data()->i2c_get_match_data().

Signed-off-by: Biju Das <biju.das.jz@bp.renesas.com>
---
Note:
 * This patch is only compile tested.
---
 drivers/rtc/rtc-rx8581.c | 8 ++------
 1 file changed, 2 insertions(+), 6 deletions(-)

Comments

Alexandre Belloni Aug. 28, 2023, 12:27 p.m. UTC | #1
On 28/08/2023 10:08:28+0100, Biju Das wrote:
> Make similar OF and ID table and simplify probe() by replacing
> of_device_get_match_data()->i2c_get_match_data().
> 
> Signed-off-by: Biju Das <biju.das.jz@bp.renesas.com>
> ---
> Note:
>  * This patch is only compile tested.

As you have access to a rx8571, please actually test.

> ---
>  drivers/rtc/rtc-rx8581.c | 8 ++------
>  1 file changed, 2 insertions(+), 6 deletions(-)
> 
> diff --git a/drivers/rtc/rtc-rx8581.c b/drivers/rtc/rtc-rx8581.c
> index 48efd61a114d..68dd8b9b52f9 100644
> --- a/drivers/rtc/rtc-rx8581.c
> +++ b/drivers/rtc/rtc-rx8581.c
> @@ -250,8 +250,7 @@ static const struct rx85x1_config rx8571_config = {
>  static int rx8581_probe(struct i2c_client *client)
>  {
>  	struct rx8581 *rx8581;
> -	const struct rx85x1_config *config = &rx8581_config;
> -	const void *data = of_device_get_match_data(&client->dev);
> +	const struct rx85x1_config *config = i2c_get_match_data(client);
>  	static struct nvmem_config nvmem_cfg[] = {
>  		{
>  			.name = "rx85x1-",
> @@ -273,9 +272,6 @@ static int rx8581_probe(struct i2c_client *client)
>  
>  	dev_dbg(&client->dev, "%s\n", __func__);
>  
> -	if (data)
> -		config = data;
> -
>  	rx8581 = devm_kzalloc(&client->dev, sizeof(struct rx8581), GFP_KERNEL);
>  	if (!rx8581)
>  		return -ENOMEM;
> @@ -307,7 +303,7 @@ static int rx8581_probe(struct i2c_client *client)
>  }
>  
>  static const struct i2c_device_id rx8581_id[] = {
> -	{ "rx8581", 0 },
> +	{ "rx8581", (kernel_ulong_t)&rx8581_config },
>  	{ }
>  };
>  MODULE_DEVICE_TABLE(i2c, rx8581_id);
> -- 
> 2.25.1
>
Biju Das Aug. 28, 2023, 12:35 p.m. UTC | #2
Hi Alexandre Belloni,

> Subject: Re: [PATCH] rtc: rx8581: Simplify probe()
>
> On 28/08/2023 10:08:28+0100, Biju Das wrote:
> > Make similar OF and ID table and simplify probe() by replacing
> > of_device_get_match_data()->i2c_get_match_data().
> >
> > Signed-off-by: Biju Das <biju.das.jz@bp.renesas.com>
> > ---
> > Note:
> >  * This patch is only compile tested.
>
> As you have access to a rx8571, please actually test.

You are right. I have RZ/G2E board that has this RTC.
I will test the same and confirm.

Cheers,
Biju

>
> > ---
> >  drivers/rtc/rtc-rx8581.c | 8 ++------
> >  1 file changed, 2 insertions(+), 6 deletions(-)
> >
> > diff --git a/drivers/rtc/rtc-rx8581.c b/drivers/rtc/rtc-rx8581.c index
> > 48efd61a114d..68dd8b9b52f9 100644
> > --- a/drivers/rtc/rtc-rx8581.c
> > +++ b/drivers/rtc/rtc-rx8581.c
> > @@ -250,8 +250,7 @@ static const struct rx85x1_config rx8571_config =
> > {  static int rx8581_probe(struct i2c_client *client)  {
> >     struct rx8581 *rx8581;
> > -   const struct rx85x1_config *config = &rx8581_config;
> > -   const void *data = of_device_get_match_data(&client->dev);
> > +   const struct rx85x1_config *config = i2c_get_match_data(client);
> >     static struct nvmem_config nvmem_cfg[] = {
> >             {
> >                     .name = "rx85x1-",
> > @@ -273,9 +272,6 @@ static int rx8581_probe(struct i2c_client *client)
> >
> >     dev_dbg(&client->dev, "%s\n", __func__);
> >
> > -   if (data)
> > -           config = data;
> > -
> >     rx8581 = devm_kzalloc(&client->dev, sizeof(struct rx8581),
> GFP_KERNEL);
> >     if (!rx8581)
> >             return -ENOMEM;
> > @@ -307,7 +303,7 @@ static int rx8581_probe(struct i2c_client *client)
> > }
> >
> >  static const struct i2c_device_id rx8581_id[] = {
> > -   { "rx8581", 0 },
> > +   { "rx8581", (kernel_ulong_t)&rx8581_config },
> >     { }
> >  };
> >  MODULE_DEVICE_TABLE(i2c, rx8581_id);
> > --
> > 2.25.1
> >
>
> --
> Alexandre Belloni, co-owner and COO, Bootlin
> Embedded Linux and Kernel engineering
> https://bootlin.c/
> om%2F&data=05%7C01%7Cbiju.das.jz%40bp.renesas.com%7Cce5fb3bf24764820b82e08d
> ba7c22022%7C53d82571da1947e49cb4625a166a4a2a%7C0%7C0%7C638288224433894702%7
> CUnknown%7CTWFpbGZsb3d8eyJWIjoiMC4wLjAwMDAiLCJQIjoiV2luMzIiLCJBTiI6Ik1haWwi
> LCJXVCI6Mn0%3D%7C3000%7C%7C%7C&sdata=ckmh5KF7OTtDO4LRU9QPmuBmt8XOO4Q2i8wFPE
> yRqKs%3D&reserved=0
Biju Das Aug. 29, 2023, 12:44 p.m. UTC | #3
Hi Alexandre Belloni,

> Subject: RE: [PATCH] rtc: rx8581: Simplify probe()
> 
> Hi Alexandre Belloni,
> 
> > Subject: Re: [PATCH] rtc: rx8581: Simplify probe()
> >
> > On 28/08/2023 10:08:28+0100, Biju Das wrote:
> > > Make similar OF and ID table and simplify probe() by replacing
> > > of_device_get_match_data()->i2c_get_match_data().
> > >
> > > Signed-off-by: Biju Das <biju.das.jz@bp.renesas.com>
> > > ---
> > > Note:
> > >  * This patch is only compile tested.
> >
> > As you have access to a rx8571, please actually test.
> 
> You are right. I have RZ/G2E board that has this RTC.
> I will test the same and confirm.

I have tested this patch on RZ/G2E platform and confirm it works ok.

Cheers,
Biju

> 
> >
> > > ---
> > >  drivers/rtc/rtc-rx8581.c | 8 ++------
> > >  1 file changed, 2 insertions(+), 6 deletions(-)
> > >
> > > diff --git a/drivers/rtc/rtc-rx8581.c b/drivers/rtc/rtc-rx8581.c
> > > index
> > > 48efd61a114d..68dd8b9b52f9 100644
> > > --- a/drivers/rtc/rtc-rx8581.c
> > > +++ b/drivers/rtc/rtc-rx8581.c
> > > @@ -250,8 +250,7 @@ static const struct rx85x1_config rx8571_config
> > > = {  static int rx8581_probe(struct i2c_client *client)  {
> > >  	struct rx8581 *rx8581;
> > > -	const struct rx85x1_config *config = &rx8581_config;
> > > -	const void *data = of_device_get_match_data(&client->dev);
> > > +	const struct rx85x1_config *config = i2c_get_match_data(client);
> > >  	static struct nvmem_config nvmem_cfg[] = {
> > >  		{
> > >  			.name = "rx85x1-",
> > > @@ -273,9 +272,6 @@ static int rx8581_probe(struct i2c_client
> > > *client)
> > >
> > >  	dev_dbg(&client->dev, "%s\n", __func__);
> > >
> > > -	if (data)
> > > -		config = data;
> > > -
> > >  	rx8581 = devm_kzalloc(&client->dev, sizeof(struct rx8581),
> > GFP_KERNEL);
> > >  	if (!rx8581)
> > >  		return -ENOMEM;
> > > @@ -307,7 +303,7 @@ static int rx8581_probe(struct i2c_client
> > > *client) }
> > >
> > >  static const struct i2c_device_id rx8581_id[] = {
> > > -	{ "rx8581", 0 },
> > > +	{ "rx8581", (kernel_ulong_t)&rx8581_config },
> > >  	{ }
> > >  };
> > >  MODULE_DEVICE_TABLE(i2c, rx8581_id);
> > > --
> > > 2.25.1
> > >
> >
> > --
> > Alexandre Belloni, co-owner and COO, Bootlin Embedded Linux and Kernel
> > engineering
> > https://jpn01.safelinks.protection.outlook.com/?url=https%3A%2F%2Fboot
> > lin.c
> > om%2F&data=05%7C01%7Cbiju.das.jz%40bp.renesas.com%7Cce5fb3bf24764820b8
> > 2e08d
> > ba7c22022%7C53d82571da1947e49cb4625a166a4a2a%7C0%7C0%7C638288224433894
> > 702%7
> > CUnknown%7CTWFpbGZsb3d8eyJWIjoiMC4wLjAwMDAiLCJQIjoiV2luMzIiLCJBTiI6Ik1
> > haWwi
> > LCJXVCI6Mn0%3D%7C3000%7C%7C%7C&sdata=ckmh5KF7OTtDO4LRU9QPmuBmt8XOO4Q2i
> > 8wFPE
> > yRqKs%3D&reserved=0
diff mbox series

Patch

diff --git a/drivers/rtc/rtc-rx8581.c b/drivers/rtc/rtc-rx8581.c
index 48efd61a114d..68dd8b9b52f9 100644
--- a/drivers/rtc/rtc-rx8581.c
+++ b/drivers/rtc/rtc-rx8581.c
@@ -250,8 +250,7 @@  static const struct rx85x1_config rx8571_config = {
 static int rx8581_probe(struct i2c_client *client)
 {
 	struct rx8581 *rx8581;
-	const struct rx85x1_config *config = &rx8581_config;
-	const void *data = of_device_get_match_data(&client->dev);
+	const struct rx85x1_config *config = i2c_get_match_data(client);
 	static struct nvmem_config nvmem_cfg[] = {
 		{
 			.name = "rx85x1-",
@@ -273,9 +272,6 @@  static int rx8581_probe(struct i2c_client *client)
 
 	dev_dbg(&client->dev, "%s\n", __func__);
 
-	if (data)
-		config = data;
-
 	rx8581 = devm_kzalloc(&client->dev, sizeof(struct rx8581), GFP_KERNEL);
 	if (!rx8581)
 		return -ENOMEM;
@@ -307,7 +303,7 @@  static int rx8581_probe(struct i2c_client *client)
 }
 
 static const struct i2c_device_id rx8581_id[] = {
-	{ "rx8581", 0 },
+	{ "rx8581", (kernel_ulong_t)&rx8581_config },
 	{ }
 };
 MODULE_DEVICE_TABLE(i2c, rx8581_id);