From: Robert Foss <robert.foss@linaro.org>
To: Jonathan Marek <jonathan@marek.ca>
Cc: MSM <linux-arm-msm@vger.kernel.org>,
Andrey Konovalov <andrey.konovalov@linaro.org>,
Todor Tomov <todor.too@gmail.com>, Andy Gross <agross@kernel.org>,
Bjorn Andersson <bjorn.andersson@linaro.org>,
Mauro Carvalho Chehab <mchehab@kernel.org>,
"open list:QUALCOMM CAMERA SUBSYSTEM DRIVER"
<linux-media@vger.kernel.org>,
open list <linux-kernel@vger.kernel.org>
Subject: Re: [PATCH 09/17] media: camss: csid: allow csid to work without a regulator
Date: Thu, 10 Jun 2021 10:01:38 +0200 [thread overview]
Message-ID: <CAG3jFytKMSRvcmEwGn7E=CPD6MJETB1L=RRYAoNxhpNC4vm6-A@mail.gmail.com> (raw)
In-Reply-To: <20210608223513.23193-10-jonathan@marek.ca>
Hey Jonathan,
On Wed, 9 Jun 2021 at 00:37, Jonathan Marek <jonathan@marek.ca> wrote:
>
> At least for titan HW, CSID don't have an associated regulator. This change
> is necessary to be able to model this in the CSID resources.
>
> Signed-off-by: Jonathan Marek <jonathan@marek.ca>
> Reviewed-by: Robert Foss <robert.foss@linaro.org>
> ---
> drivers/media/platform/qcom/camss/camss-csid.c | 17 +++++++++++------
> 1 file changed, 11 insertions(+), 6 deletions(-)
>
> diff --git a/drivers/media/platform/qcom/camss/camss-csid.c b/drivers/media/platform/qcom/camss/camss-csid.c
> index cc11fbfdae132..528674dea06ca 100644
> --- a/drivers/media/platform/qcom/camss/camss-csid.c
> +++ b/drivers/media/platform/qcom/camss/camss-csid.c
> @@ -162,7 +162,7 @@ static int csid_set_power(struct v4l2_subdev *sd, int on)
> return ret;
> }
>
> - ret = regulator_enable(csid->vdda);
> + ret = csid->vdda ? regulator_enable(csid->vdda) : 0;
> if (ret < 0) {
> pm_runtime_put_sync(dev);
> return ret;
> @@ -170,14 +170,16 @@ static int csid_set_power(struct v4l2_subdev *sd, int on)
>
> ret = csid_set_clock_rates(csid);
> if (ret < 0) {
> - regulator_disable(csid->vdda);
> + if (csid->vdda)
> + regulator_disable(csid->vdda);
> pm_runtime_put_sync(dev);
> return ret;
> }
>
> ret = camss_enable_clocks(csid->nclocks, csid->clock, dev);
> if (ret < 0) {
> - regulator_disable(csid->vdda);
> + if (csid->vdda)
> + regulator_disable(csid->vdda);
> pm_runtime_put_sync(dev);
> return ret;
> }
> @@ -188,7 +190,8 @@ static int csid_set_power(struct v4l2_subdev *sd, int on)
> if (ret < 0) {
> disable_irq(csid->irq);
> camss_disable_clocks(csid->nclocks, csid->clock);
> - regulator_disable(csid->vdda);
> + if (csid->vdda)
> + regulator_disable(csid->vdda);
> pm_runtime_put_sync(dev);
> return ret;
> }
> @@ -197,7 +200,7 @@ static int csid_set_power(struct v4l2_subdev *sd, int on)
> } else {
> disable_irq(csid->irq);
> camss_disable_clocks(csid->nclocks, csid->clock);
> - ret = regulator_disable(csid->vdda);
> + ret = csid->vdda ? regulator_disable(csid->vdda) : 0;
> pm_runtime_put_sync(dev);
> }
>
> @@ -634,7 +637,9 @@ int msm_csid_subdev_init(struct camss *camss, struct csid_device *csid,
>
> /* Regulator */
>
> - csid->vdda = devm_regulator_get(dev, res->regulator[0]);
> + csid->vdda = NULL;
> + if (res->regulator[0])
> + csid->vdda = devm_regulator_get(dev, res->regulator[0]);
> if (IS_ERR(csid->vdda)) {
> dev_err(dev, "could not get regulator\n");
> return PTR_ERR(csid->vdda);
> --
> 2.26.1
>
This patch does not seem to apply on upstream-media/master.
next prev parent reply other threads:[~2021-06-10 8:02 UTC|newest]
Thread overview: 30+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-06-08 22:34 [PATCH 00/17] CAMSS: SM8250 support (and some fixes) Jonathan Marek
2021-06-08 22:34 ` [PATCH 01/17] media: camss: csiphy-3ph: don't print HW version as an error Jonathan Marek
2021-06-08 22:34 ` [PATCH 02/17] media: camss: csiphy-3ph: disable interrupts Jonathan Marek
2021-06-08 22:34 ` [PATCH 03/17] media: camss: csiphy-3ph: add support for SM8250 CSI DPHY Jonathan Marek
2021-06-08 22:34 ` [PATCH 04/17] media: camss: csid-170: fix non-10bit formats Jonathan Marek
2021-06-08 22:34 ` [PATCH 05/17] media: camss: csid-170: don't enable unused irqs Jonathan Marek
2021-06-08 22:34 ` [PATCH 06/17] media: camss: csid-170: remove stray comment Jonathan Marek
2021-06-08 22:34 ` [PATCH 07/17] media: camss: csid-170: support more than one lite vfe Jonathan Marek
2021-06-08 22:34 ` [PATCH 08/17] media: camss: csid-170: set the right HALT_CMD when disabled Jonathan Marek
2021-06-08 22:34 ` [PATCH 09/17] media: camss: csid: allow csid to work without a regulator Jonathan Marek
2021-06-10 8:01 ` Robert Foss [this message]
2021-06-08 22:34 ` [PATCH 10/17] media: camss: remove vdda-csiN from sdm845 resources Jonathan Marek
2021-06-08 22:35 ` [PATCH 11/17] media: camss: fix VFE irq name Jonathan Marek
2021-06-08 22:35 ` [PATCH 12/17] media: camss: remove some vfe ops and clean up dead vfe-170 code Jonathan Marek
2021-06-09 3:23 ` kernel test robot
2021-06-10 5:23 ` kernel test robot
2021-06-10 12:37 ` Robert Foss
2021-06-08 22:35 ` [PATCH 13/17] media: camss: vfe-170: fix "VFE halt timeout" error Jonathan Marek
2021-06-08 22:35 ` [PATCH 14/17] media: camss: Add initial support for VFE hardware version Titan 480 Jonathan Marek
2021-06-10 12:40 ` Robert Foss
2021-06-08 22:35 ` [PATCH 15/17] media: camss: add support for V4L2_PIX_FMT_GREY for sdm845 HW Jonathan Marek
2021-06-08 22:35 ` [PATCH 16/17] media: camss: add support for SM8250 camss Jonathan Marek
2021-06-10 8:03 ` Robert Foss
2021-06-08 22:35 ` [PATCH 17/17] media: dt-bindings: media: camss: Add qcom,sm8250-camss binding Jonathan Marek
2021-06-09 16:16 ` Rob Herring
2021-06-09 22:10 ` Rob Herring
2021-06-09 22:32 ` Jonathan Marek
2021-06-16 18:16 ` [PATCH 00/17] CAMSS: SM8250 support (and some fixes) Andrey Konovalov
-- strict thread matches above, loose matches on Subject: below --
2021-05-11 18:07 Jonathan Marek
2021-05-11 18:07 ` [PATCH 09/17] media: camss: csid: allow csid to work without a regulator Jonathan Marek
2021-05-20 12:14 ` Robert Foss
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