diff mbox series

[v2,5/8] phy: phy-snps-eusb2: make repeater optional

Message ID 20250223122227.725233-6-ivo.ivanov.ivanov1@gmail.com
State New
Headers show
Series phy: samsung: add Exynos2200 SNPS eUSB2 driver | expand

Commit Message

Ivaylo Ivanov Feb. 23, 2025, 12:22 p.m. UTC
Some platforms initialize their eUSB2 to USB repeater in the previous
stage bootloader and leave it in a working state for linux. Make the
repeater optional in order to allow for reusing that state until
proper repeater drivers are introduced.

Signed-off-by: Ivaylo Ivanov <ivo.ivanov.ivanov1@gmail.com>
---
 drivers/phy/phy-snps-eusb2.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

Comments

Abel Vesa Feb. 24, 2025, 10:11 a.m. UTC | #1
On 25-02-23 14:22:24, Ivaylo Ivanov wrote:
> Some platforms initialize their eUSB2 to USB repeater in the previous
> stage bootloader and leave it in a working state for linux. Make the
> repeater optional in order to allow for reusing that state until
> proper repeater drivers are introduced.
> 
> Signed-off-by: Ivaylo Ivanov <ivo.ivanov.ivanov1@gmail.com>
> ---
>  drivers/phy/phy-snps-eusb2.c | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
> 
> diff --git a/drivers/phy/phy-snps-eusb2.c b/drivers/phy/phy-snps-eusb2.c
> index 4e5914a76..dcc69c00a 100644
> --- a/drivers/phy/phy-snps-eusb2.c
> +++ b/drivers/phy/phy-snps-eusb2.c
> @@ -461,7 +461,7 @@ static int snps_eusb2_hsphy_probe(struct platform_device *pdev)
>  		return dev_err_probe(dev, ret,
>  				     "failed to get regulator supplies\n");
>  
> -	phy->repeater = devm_of_phy_get_by_index(dev, np, 0);
> +	phy->repeater = devm_of_phy_optional_get(dev, np, 0);

Maybe make it optional based on compatible or something?

>  	if (IS_ERR(phy->repeater))
>  		return dev_err_probe(dev, PTR_ERR(phy->repeater),
>  				     "failed to get repeater\n");
> -- 
> 2.43.0
>
Neil Armstrong Feb. 24, 2025, 10:55 a.m. UTC | #2
On 24/02/2025 11:11, Abel Vesa wrote:
> On 25-02-23 14:22:24, Ivaylo Ivanov wrote:
>> Some platforms initialize their eUSB2 to USB repeater in the previous
>> stage bootloader and leave it in a working state for linux. Make the
>> repeater optional in order to allow for reusing that state until
>> proper repeater drivers are introduced.
>>
>> Signed-off-by: Ivaylo Ivanov <ivo.ivanov.ivanov1@gmail.com>
>> ---
>>   drivers/phy/phy-snps-eusb2.c | 2 +-
>>   1 file changed, 1 insertion(+), 1 deletion(-)
>>
>> diff --git a/drivers/phy/phy-snps-eusb2.c b/drivers/phy/phy-snps-eusb2.c
>> index 4e5914a76..dcc69c00a 100644
>> --- a/drivers/phy/phy-snps-eusb2.c
>> +++ b/drivers/phy/phy-snps-eusb2.c
>> @@ -461,7 +461,7 @@ static int snps_eusb2_hsphy_probe(struct platform_device *pdev)
>>   		return dev_err_probe(dev, ret,
>>   				     "failed to get regulator supplies\n");
>>   
>> -	phy->repeater = devm_of_phy_get_by_index(dev, np, 0);
>> +	phy->repeater = devm_of_phy_optional_get(dev, np, 0);
> 
> Maybe make it optional based on compatible or something?

It's already optional in the bindings:
Documentation/devicetree/bindings/phy/qcom,snps-eusb2-phy.yaml

So it's:
Acked-by: Neil Armstrong <neil.armstrong@linaro.org>

> 
>>   	if (IS_ERR(phy->repeater))
>>   		return dev_err_probe(dev, PTR_ERR(phy->repeater),
>>   				     "failed to get repeater\n");
>> -- 
>> 2.43.0
>>
>
diff mbox series

Patch

diff --git a/drivers/phy/phy-snps-eusb2.c b/drivers/phy/phy-snps-eusb2.c
index 4e5914a76..dcc69c00a 100644
--- a/drivers/phy/phy-snps-eusb2.c
+++ b/drivers/phy/phy-snps-eusb2.c
@@ -461,7 +461,7 @@  static int snps_eusb2_hsphy_probe(struct platform_device *pdev)
 		return dev_err_probe(dev, ret,
 				     "failed to get regulator supplies\n");
 
-	phy->repeater = devm_of_phy_get_by_index(dev, np, 0);
+	phy->repeater = devm_of_phy_optional_get(dev, np, 0);
 	if (IS_ERR(phy->repeater))
 		return dev_err_probe(dev, PTR_ERR(phy->repeater),
 				     "failed to get repeater\n");