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[2/3] Bluetooth: hci_qca: fix QCA6390 support on non-DT platforms

Message ID 20240731-hci_qca_fixes-v1-2-59dad830b243@linaro.org (mailing list archive)
State Accepted
Commit 786cd197c92b4e61ccd00dc3cea5d1b913f9a4e6
Headers show
Series Bluetooth: hci_qca: fix post merge window regressions | expand

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Commit Message

Bartosz Golaszewski July 31, 2024, 3:20 p.m. UTC 
From: Bartosz Golaszewski <bartosz.golaszewski@linaro.org>

QCA6390 can albo be used on non-DT systems so we must not make the power
sequencing the only option. Check if the serdev device consumes an OF
node. If so: honor the new contract as per the DT bindings. If not: fall
back to the previous behavior by falling through to the existing
default label.

Fixes: 9a15ce685706 ("Bluetooth: qca: use the power sequencer for QCA6390")
Reported-by: Wren Turkal <wt@penguintechs.org>
Closes: https://lore.kernel.org/linux-bluetooth/27e6a6c5-fb63-4219-be0b-eefa2c116e06@penguintechs.org/
Signed-off-by: Bartosz Golaszewski <bartosz.golaszewski@linaro.org>
---
 drivers/bluetooth/hci_qca.c | 13 ++++++++-----
 1 file changed, 8 insertions(+), 5 deletions(-)

Comments

Paul Menzel Aug. 1, 2024, 7:29 a.m. UTC | #1 
Dear Bartosz,


Thank you for the patch.

Am 31.07.24 um 17:20 schrieb Bartosz Golaszewski:
> From: Bartosz Golaszewski <bartosz.golaszewski@linaro.org>
> 
> QCA6390 can albo be used on non-DT systems so we must not make the power

al*s*o

> sequencing the only option. Check if the serdev device consumes an OF
> node. If so: honor the new contract as per the DT bindings. If not: fall
> back to the previous behavior by falling through to the existing
> default label.
> 
> Fixes: 9a15ce685706 ("Bluetooth: qca: use the power sequencer for QCA6390")
> Reported-by: Wren Turkal <wt@penguintechs.org>
> Closes: https://lore.kernel.org/linux-bluetooth/27e6a6c5-fb63-4219-be0b-eefa2c116e06@penguintechs.org/
> Signed-off-by: Bartosz Golaszewski <bartosz.golaszewski@linaro.org>
> ---
>   drivers/bluetooth/hci_qca.c | 13 ++++++++-----
>   1 file changed, 8 insertions(+), 5 deletions(-)
> 
> diff --git a/drivers/bluetooth/hci_qca.c b/drivers/bluetooth/hci_qca.c
> index a20dd5015346..2baed7d0f479 100644
> --- a/drivers/bluetooth/hci_qca.c
> +++ b/drivers/bluetooth/hci_qca.c
> @@ -2412,11 +2412,14 @@ static int qca_serdev_probe(struct serdev_device *serdev)
>   		break;
>   
>   	case QCA_QCA6390:
> -		qcadev->bt_power->pwrseq = devm_pwrseq_get(&serdev->dev,
> -							   "bluetooth");
> -		if (IS_ERR(qcadev->bt_power->pwrseq))
> -			return PTR_ERR(qcadev->bt_power->pwrseq);
> -		break;
> +		if (dev_of_node(&serdev->dev)) {
> +			qcadev->bt_power->pwrseq = devm_pwrseq_get(&serdev->dev,
> +								   "bluetooth");
> +			if (IS_ERR(qcadev->bt_power->pwrseq))
> +				return PTR_ERR(qcadev->bt_power->pwrseq);
> +			break;
> +		}
> +		fallthrough;
>   
>   	default:
>   		qcadev->bt_en = devm_gpiod_get_optional(&serdev->dev, "enable",

Reviewed-by: Paul Menzel <pmenzel@molgen.mpg.de>


Kind regards,

Paul
Bartosz Golaszewski Aug. 1, 2024, 7:39 a.m. UTC | #2 
On Thu, Aug 1, 2024 at 9:29 AM Paul Menzel <pmenzel@molgen.mpg.de> wrote:
>
> Dear Bartosz,
>
>
> Thank you for the patch.
>
> Am 31.07.24 um 17:20 schrieb Bartosz Golaszewski:
> > From: Bartosz Golaszewski <bartosz.golaszewski@linaro.org>
> >
> > QCA6390 can albo be used on non-DT systems so we must not make the power
>
> al*s*o
>

Luiz: Can you fix this when applying?

Bart
Wren Turkal Aug. 7, 2024, 7:09 p.m. UTC | #3 
On 7/31/24 8:20 AM, Bartosz Golaszewski wrote:
> From: Bartosz Golaszewski <bartosz.golaszewski@linaro.org>
> 
> QCA6390 can albo be used on non-DT systems so we must not make the power
> sequencing the only option. Check if the serdev device consumes an OF
> node. If so: honor the new contract as per the DT bindings. If not: fall
> back to the previous behavior by falling through to the existing
> default label.
> 
> Fixes: 9a15ce685706 ("Bluetooth: qca: use the power sequencer for QCA6390")
> Reported-by: Wren Turkal <wt@penguintechs.org>
> Closes: https://lore.kernel.org/linux-bluetooth/27e6a6c5-fb63-4219-be0b-eefa2c116e06@penguintechs.org/
> Signed-off-by: Bartosz Golaszewski <bartosz.golaszewski@linaro.org>

Was this commit supposed to have a Tested-by: footer for me?

> ---
>   drivers/bluetooth/hci_qca.c | 13 ++++++++-----
>   1 file changed, 8 insertions(+), 5 deletions(-)
> 
> diff --git a/drivers/bluetooth/hci_qca.c b/drivers/bluetooth/hci_qca.c
> index a20dd5015346..2baed7d0f479 100644
> --- a/drivers/bluetooth/hci_qca.c
> +++ b/drivers/bluetooth/hci_qca.c
> @@ -2412,11 +2412,14 @@ static int qca_serdev_probe(struct serdev_device *serdev)
>   		break;
>   
>   	case QCA_QCA6390:
> -		qcadev->bt_power->pwrseq = devm_pwrseq_get(&serdev->dev,
> -							   "bluetooth");
> -		if (IS_ERR(qcadev->bt_power->pwrseq))
> -			return PTR_ERR(qcadev->bt_power->pwrseq);
> -		break;
> +		if (dev_of_node(&serdev->dev)) {
> +			qcadev->bt_power->pwrseq = devm_pwrseq_get(&serdev->dev,
> +								   "bluetooth");
> +			if (IS_ERR(qcadev->bt_power->pwrseq))
> +				return PTR_ERR(qcadev->bt_power->pwrseq);
> +			break;
> +		}
> +		fallthrough;
>   
>   	default:
>   		qcadev->bt_en = devm_gpiod_get_optional(&serdev->dev, "enable",
>
Bartosz Golaszewski Aug. 8, 2024, 7:49 a.m. UTC | #4 
On Wed, 7 Aug 2024 at 21:09, Wren Turkal <wt@penguintechs.org> wrote:
>
> On 7/31/24 8:20 AM, Bartosz Golaszewski wrote:
> > From: Bartosz Golaszewski <bartosz.golaszewski@linaro.org>
> >
> > QCA6390 can albo be used on non-DT systems so we must not make the power
> > sequencing the only option. Check if the serdev device consumes an OF
> > node. If so: honor the new contract as per the DT bindings. If not: fall
> > back to the previous behavior by falling through to the existing
> > default label.
> >
> > Fixes: 9a15ce685706 ("Bluetooth: qca: use the power sequencer for QCA6390")
> > Reported-by: Wren Turkal <wt@penguintechs.org>
> > Closes: https://lore.kernel.org/linux-bluetooth/27e6a6c5-fb63-4219-be0b-eefa2c116e06@penguintechs.org/
> > Signed-off-by: Bartosz Golaszewski <bartosz.golaszewski@linaro.org>
>
> Was this commit supposed to have a Tested-by: footer for me?
>

Yes, I sent you an offlist message about it. You added:

+Tested-by: (...)

The leading `+` caused patchwork to omit the tag. Just do:

Tested-by: (...)

next time.

Thanks,
Bartosz
diff mbox series

Patch

diff --git a/drivers/bluetooth/hci_qca.c b/drivers/bluetooth/hci_qca.c
index a20dd5015346..2baed7d0f479 100644
--- a/drivers/bluetooth/hci_qca.c
+++ b/drivers/bluetooth/hci_qca.c
@@ -2412,11 +2412,14 @@  static int qca_serdev_probe(struct serdev_device *serdev)
 		break;
 
 	case QCA_QCA6390:
-		qcadev->bt_power->pwrseq = devm_pwrseq_get(&serdev->dev,
-							   "bluetooth");
-		if (IS_ERR(qcadev->bt_power->pwrseq))
-			return PTR_ERR(qcadev->bt_power->pwrseq);
-		break;
+		if (dev_of_node(&serdev->dev)) {
+			qcadev->bt_power->pwrseq = devm_pwrseq_get(&serdev->dev,
+								   "bluetooth");
+			if (IS_ERR(qcadev->bt_power->pwrseq))
+				return PTR_ERR(qcadev->bt_power->pwrseq);
+			break;
+		}
+		fallthrough;
 
 	default:
 		qcadev->bt_en = devm_gpiod_get_optional(&serdev->dev, "enable",