From: Ulf Hansson <ulf.hansson@linaro.org>
To: Danilo Krummrich <dakr@kernel.org>,
Saravana Kannan <saravanak@kernel.org>,
"Rafael J . Wysocki" <rafael@kernel.org>,
Greg Kroah-Hartman <gregkh@linuxfoundation.org>,
driver-core@lists.linux.dev, linux-pm@vger.kernel.org
Cc: Sudeep Holla <sudeep.holla@kernel.org>,
Cristian Marussi <cristian.marussi@arm.com>,
Kevin Hilman <khilman@baylibre.com>,
Stephen Boyd <sboyd@kernel.org>,
Marek Szyprowski <m.szyprowski@samsung.com>,
Bjorn Andersson <andersson@kernel.org>,
Abel Vesa <abel.vesa@oss.qualcomm.com>,
Peng Fan <peng.fan@oss.nxp.com>,
Tomi Valkeinen <tomi.valkeinen@ideasonboard.com>,
Maulik Shah <maulik.shah@oss.qualcomm.com>,
Konrad Dybcio <konradybcio@kernel.org>,
Thierry Reding <thierry.reding@gmail.com>,
Jonathan Hunter <jonathanh@nvidia.com>,
Geert Uytterhoeven <geert@linux-m68k.org>,
Dmitry Baryshkov <dmitry.baryshkov@oss.qualcomm.com>,
Ulf Hansson <ulf.hansson@linaro.org>,
linux-arm-kernel@lists.infradead.org,
linux-kernel@vger.kernel.org
Subject: [PATCH v3 07/13] pmdomain: core: Extend fine grained sync_state to more onecell providers
Date: Fri, 8 May 2026 14:38:56 +0200 [thread overview]
Message-ID: <20260508123910.114273-8-ulf.hansson@linaro.org> (raw)
In-Reply-To: <20260508123910.114273-1-ulf.hansson@linaro.org>
A onecell power domain provider driver that we can assign a common
->sync_state() callback for, should be able to benefit from the improved
fine grained sync_state support in genpd. Therefore, let's also assign the
->queue_sync_state() callback for these types of provider drivers.
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
---
Changes in v3:
- No changes.
---
drivers/pmdomain/core.c | 6 ++++--
1 file changed, 4 insertions(+), 2 deletions(-)
diff --git a/drivers/pmdomain/core.c b/drivers/pmdomain/core.c
index c01a9a96e5c2..b2b5cc30c7fc 100644
--- a/drivers/pmdomain/core.c
+++ b/drivers/pmdomain/core.c
@@ -2917,10 +2917,12 @@ int of_genpd_add_provider_onecell(struct device_node *np,
fwnode = of_fwnode_handle(np);
dev = get_dev_from_fwnode(fwnode);
- if (!dev)
+ if (!dev) {
sync_state = true;
- else
+ } else if (!dev_has_sync_state(dev)) {
dev_set_drv_sync_state(dev, genpd_sync_state);
+ dev_set_drv_queue_sync_state(dev, genpd_queue_sync_state);
+ }
put_device(dev);
--
2.43.0
next prev parent reply other threads:[~2026-05-08 13:15 UTC|newest]
Thread overview: 16+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-05-08 12:38 [PATCH v3 00/13] driver core / pmdomain: Add support for fined grained sync_state Ulf Hansson
2026-05-08 12:38 ` [PATCH v3 01/13] Revert "driver core: move dev_has_sync_state() to drivers/base/base.h" Ulf Hansson
2026-05-08 17:23 ` Danilo Krummrich
2026-05-08 12:38 ` [PATCH v3 02/13] driver core: Enable suppliers to implement fine grained sync_state support Ulf Hansson
2026-05-08 18:23 ` Danilo Krummrich
2026-05-08 12:38 ` [PATCH v3 03/13] driver core: Add documentation for dev_set_drv_sync_state() Ulf Hansson
2026-05-08 12:38 ` [PATCH v3 04/13] driver core: Add dev_set_drv_queue_sync_state() Ulf Hansson
2026-05-08 12:38 ` [PATCH v3 05/13] pmdomain: core: Move genpd_get_from_provider() Ulf Hansson
2026-05-08 12:38 ` [PATCH v3 06/13] pmdomain: core: Add initial fine grained sync_state support Ulf Hansson
2026-05-08 12:38 ` Ulf Hansson [this message]
2026-05-08 12:38 ` [PATCH v3 08/13] pmdomain: core: Export a common function for ->queue_sync_state() Ulf Hansson
2026-05-08 12:38 ` [PATCH v3 09/13] pmdomain: renesas: rcar-gen4-sysc: Drop GENPD_FLAG_NO_STAY_ON Ulf Hansson
2026-05-08 12:38 ` [PATCH v3 10/13] pmdomain: renesas: rcar-sysc: " Ulf Hansson
2026-05-08 12:39 ` [PATCH v3 11/13] pmdomain: renesas: rmobile-sysc: " Ulf Hansson
2026-05-08 12:39 ` [PATCH v3 12/13] pmdomain: core: Avoid an unnecessary power off at sync_state Ulf Hansson
2026-05-08 12:39 ` [PATCH v3 13/13] pmdomain: core: Add a couple of debug prints for sync_state Ulf Hansson
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