From: Matti Vaittinen <mazziesaccount@gmail.com>
To: Robert Foss <robert.foss@linaro.org>
Cc: Matti Vaittinen <matti.vaittinen@fi.rohmeurope.com>,
Andrzej Hajda <andrzej.hajda@intel.com>,
Neil Armstrong <narmstrong@baylibre.com>,
Laurent Pinchart <Laurent.pinchart@ideasonboard.com>,
Jonas Karlman <jonas@kwiboo.se>,
Jernej Skrabec <jernej.skrabec@gmail.com>,
David Airlie <airlied@linux.ie>, Daniel Vetter <daniel@ffwll.ch>,
Kevin Hilman <khilman@baylibre.com>,
Jerome Brunet <jbrunet@baylibre.com>,
Martin Blumenstingl <martin.blumenstingl@googlemail.com>,
Liam Girdwood <lgirdwood@gmail.com>,
Mark Brown <broonie@kernel.org>,
dri-devel@lists.freedesktop.org, linux-kernel@vger.kernel.org,
linux-amlogic@lists.infradead.org,
linux-arm-kernel@lists.infradead.org
Subject: Re: [PATCH v3 03/14] gpu: drm: simplify drivers using devm_regulator_*get_enable*()
Date: Tue, 30 Aug 2022 10:04:58 +0300 [thread overview]
Message-ID: <b5116f19-4b00-1717-a7ff-eac988bde4a4@gmail.com> (raw)
In-Reply-To: <CAG3jFyvQc4ZxEt8yRtiP6VAnurvfBdWzD7640DRXun+F7vDHog@mail.gmail.com>
On 8/29/22 17:25, Robert Foss wrote:
Thanks for the review Robert.
> Hi Matti,
>
> On Fri, 19 Aug 2022 at 21:18, Matti Vaittinen <mazziesaccount@gmail.com> wrote:
>>
>> Simplify drivers using managed "regulator get and enable".
>>
>> meson:
>> Use the devm_regulator_get_enable_optional(). Also drop the seemingly
>> unused struct member 'hdmi_supply'.
>>
>> sii902x:
>> Simplify using devm_regulator_bulk_get_enable()
>>
>> Signed-off-by: Matti Vaittinen <mazziesaccount@gmail.com>
>>
>> ---
>> v2 => v3:
>> No changes
>>
>> RFCv1 => v2:
>> - Change also sii902x to use devm_regulator_bulk_get_enable()
>>
>> Please note - this is only compile-tested due to the lack of HW. Careful
>> review and testing is _highly_ appreciated.
>> ---
>> drivers/gpu/drm/bridge/sii902x.c | 22 +++-------------------
>> drivers/gpu/drm/meson/meson_dw_hdmi.c | 23 +++--------------------
>> 2 files changed, 6 insertions(+), 39 deletions(-)
>>
>> diff --git a/drivers/gpu/drm/bridge/sii902x.c b/drivers/gpu/drm/bridge/sii902x.c
>> index 7ab38d734ad6..162f9c87eeb2 100644
>> --- a/drivers/gpu/drm/bridge/sii902x.c
>> +++ b/drivers/gpu/drm/bridge/sii902x.c
>> @@ -171,7 +171,6 @@ struct sii902x {
>> struct drm_connector connector;
>> struct gpio_desc *reset_gpio;
>> struct i2c_mux_core *i2cmux;
>> - struct regulator_bulk_data supplies[2];
>> bool sink_is_hdmi;
>> /*
>> * Mutex protects audio and video functions from interfering
>> @@ -1072,6 +1071,7 @@ static int sii902x_probe(struct i2c_client *client,
>> struct device *dev = &client->dev;
>> struct device_node *endpoint;
>> struct sii902x *sii902x;
>> + static const char * const supplies[] = {"iovcc", "cvcc12"};
>> int ret;
>>
>> ret = i2c_check_functionality(client->adapter,
>> @@ -1122,27 +1122,13 @@ static int sii902x_probe(struct i2c_client *client,
>>
>> mutex_init(&sii902x->mutex);
>>
>> - sii902x->supplies[0].supply = "iovcc";
>> - sii902x->supplies[1].supply = "cvcc12";
>> - ret = devm_regulator_bulk_get(dev, ARRAY_SIZE(sii902x->supplies),
>> - sii902x->supplies);
>> - if (ret < 0)
>> - return ret;
>> -
>> - ret = regulator_bulk_enable(ARRAY_SIZE(sii902x->supplies),
>> - sii902x->supplies);
>> + ret = devm_regulator_bulk_get_enable(dev, ARRAY_SIZE(supplies), supplies);
>> if (ret < 0) {
>> dev_err_probe(dev, ret, "Failed to enable supplies");
>> return ret;
>> }
>>
>> - ret = sii902x_init(sii902x);
>> - if (ret < 0) {
>> - regulator_bulk_disable(ARRAY_SIZE(sii902x->supplies),
>> - sii902x->supplies);
>> - }
>> -
>> - return ret;
>> + return sii902x_init(sii902x);
>> }
>>
>> static int sii902x_remove(struct i2c_client *client)
>> @@ -1152,8 +1138,6 @@ static int sii902x_remove(struct i2c_client *client)
>>
>> i2c_mux_del_adapters(sii902x->i2cmux);
>> drm_bridge_remove(&sii902x->bridge);
>> - regulator_bulk_disable(ARRAY_SIZE(sii902x->supplies),
>> - sii902x->supplies);
>>
>> return 0;
>> }
>
> Ideally this patch would be split into two parts here, due to
> maintainership boundaries.
Ok. I will in any case respin this series when the dependency patches
from Mark's tree have been merged to the -rc1. I can split this to
patch/driver if it is preferred. I just though I'll decrease amount of
mails by squashing these almost trivial changes.
>
> For the sii902x part, please add my r-b.
>
> Reviewed-by: Robert Foss <robert.foss@linaro.org>
Thanks.
Best Regards
-- Matti
--
Matti Vaittinen
Linux kernel developer at ROHM Semiconductors
Oulu Finland
~~ When things go utterly wrong vim users can always type :help! ~~
Discuss - Estimate - Plan - Report and finally accomplish this:
void do_work(int time) __attribute__ ((const));
next prev parent reply other threads:[~2022-08-30 7:05 UTC|newest]
Thread overview: 65+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-08-19 19:16 [PATCH v3 00/14] Use devm helpers for regulator get and enable Matti Vaittinen
2022-08-19 19:17 ` [PATCH v3 01/14] docs: devres: regulator: Add new get_enable functions to devres.rst Matti Vaittinen
2022-08-19 19:17 ` [PATCH v3 02/14] clk: cdce925: simplify using devm_regulator_get_enable() Matti Vaittinen
2022-10-17 23:07 ` Stephen Boyd
2022-08-19 19:18 ` [PATCH v3 03/14] gpu: drm: simplify drivers using devm_regulator_*get_enable*() Matti Vaittinen
2022-08-29 14:25 ` Robert Foss
2022-08-30 7:04 ` Matti Vaittinen [this message]
2022-08-19 19:18 ` [PATCH v3 04/14] hwmon: lm90: simplify using devm_regulator_get_enable() Matti Vaittinen
2022-08-19 19:18 ` [PATCH v3 05/14] hwmon: adm1177: " Matti Vaittinen
2022-08-19 19:36 ` Guenter Roeck
2022-08-19 19:19 ` [PATCH v3 06/14] iio: ad7192: Simplify " Matti Vaittinen
2022-10-16 15:59 ` Jonathan Cameron
2022-08-19 19:19 ` [PATCH v3 07/14] iio: ltc2688: Simplify using devm_regulator_*get_enable() Matti Vaittinen
2022-08-20 11:21 ` Jonathan Cameron
2022-08-20 13:38 ` Matti Vaittinen
2022-08-20 16:09 ` Andy Shevchenko
2022-08-20 17:30 ` Matti Vaittinen
2022-08-20 17:41 ` Andy Shevchenko
2022-08-20 19:00 ` Matti Vaittinen
2022-08-21 13:13 ` Andy Shevchenko
2022-08-22 8:13 ` Vaittinen, Matti
2022-08-22 19:14 ` Jonathan Cameron
2022-08-30 11:34 ` Sa, Nuno
2022-10-16 16:04 ` Jonathan Cameron
2022-08-19 19:19 ` [PATCH v3 08/14] iio: bmg160_core: " Matti Vaittinen
2022-08-19 23:30 ` Andy Shevchenko
2022-08-20 6:19 ` Vaittinen, Matti
2022-08-20 6:25 ` Andy Shevchenko
2022-08-20 6:48 ` Vaittinen, Matti
2022-08-20 7:18 ` Andy Shevchenko
2022-08-20 10:05 ` Matti Vaittinen
2022-08-20 16:21 ` Andy Shevchenko
2022-08-20 17:27 ` Matti Vaittinen
2022-08-21 13:08 ` Andy Shevchenko
2022-08-22 5:50 ` Vaittinen, Matti
2022-08-20 11:38 ` Jonathan Cameron
2022-08-20 13:20 ` Matti Vaittinen
2022-08-20 11:22 ` Jonathan Cameron
2022-08-20 13:26 ` Matti Vaittinen
2022-10-16 16:08 ` Jonathan Cameron
2022-10-17 4:28 ` Matti Vaittinen
2022-08-19 19:19 ` [PATCH v3 09/14] iio: st_lsm6dsx: " Matti Vaittinen
2022-10-16 16:11 ` Jonathan Cameron
2022-08-19 19:20 ` [PATCH v3 10/14] iio: ad7476: simplify using devm_regulator_get_enable() Matti Vaittinen
2022-08-30 11:44 ` Sa, Nuno
2022-10-16 16:12 ` Jonathan Cameron
2022-08-19 19:20 ` [PATCH v3 11/14] iio: ad7606: " Matti Vaittinen
2022-08-30 11:46 ` Sa, Nuno
2022-08-30 12:54 ` Matti Vaittinen
2022-10-16 16:15 ` Jonathan Cameron
2022-10-16 16:24 ` Jonathan Cameron
2022-10-17 4:32 ` Matti Vaittinen
2022-08-19 19:20 ` [PATCH v3 12/14] iio: max1241: " Matti Vaittinen
2022-08-19 19:58 ` Alexandru Lazar
2022-10-16 16:17 ` Jonathan Cameron
2022-08-19 19:20 ` [PATCH v3 13/14] iio: max1363: " Matti Vaittinen
2022-08-30 11:50 ` Sa, Nuno
2022-10-16 16:18 ` Jonathan Cameron
2022-10-16 16:37 ` Jonathan Cameron
2022-08-19 19:21 ` [PATCH v3 14/14] iio: hmc425a: " Matti Vaittinen
2022-08-30 11:49 ` Sa, Nuno
2022-08-30 13:00 ` Matti Vaittinen
2022-08-30 13:55 ` Sa, Nuno
2022-10-16 16:20 ` Jonathan Cameron
2022-08-19 23:27 ` [PATCH v3 00/14] Use devm helpers for regulator get and enable Andy Shevchenko
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