From: Stephen Boyd <swboyd@chromium.org> To: Greg Kroah-Hartman <gregkh@linuxfoundation.org>, Douglas Anderson <dianders@chromium.org> Cc: linux-kernel@vger.kernel.org, linux-arm-msm@vger.kernel.org, dri-devel@lists.freedesktop.org, freedreno@lists.freedesktop.org, Daniel Vetter <daniel@ffwll.ch>, Daniel Vetter <daniel.vetter@ffwll.ch>, Laurent Pinchart <laurent.pinchart@ideasonboard.com>, "Rafael J. Wysocki" <rafael@kernel.org>, Rob Clark <robdclark@gmail.com>, Russell King <rmk+kernel@arm.linux.org.uk>, Saravana Kannan <saravanak@google.com> Subject: [PATCH v6 04/35] component: Add {bind,unbind}_component() ops that take aggregate device Date: Thu, 27 Jan 2022 12:01:10 -0800 [thread overview] Message-ID: <20220127200141.1295328-5-swboyd@chromium.org> (raw) In-Reply-To: <20220127200141.1295328-1-swboyd@chromium.org> We'd like to get more device model features in the component framework so let's pass the struct aggregate_device pointer instead of the parent device pointer to the component binding functions. This will allow drivers to inspect and control things related to the aggregate device in case they need it, and they'll always be able to get back to the device they were using before by using the 'parent' member of the aggregate device struct. Suggested-by: Daniel Vetter <daniel@ffwll.ch> Cc: Daniel Vetter <daniel.vetter@ffwll.ch> Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org> Cc: Laurent Pinchart <laurent.pinchart@ideasonboard.com> Cc: "Rafael J. Wysocki" <rafael@kernel.org> Cc: Rob Clark <robdclark@gmail.com> Cc: Russell King <rmk+kernel@arm.linux.org.uk> Cc: Saravana Kannan <saravanak@google.com> Signed-off-by: Stephen Boyd <swboyd@chromium.org> --- drivers/base/component.c | 14 +++++++++++--- include/linux/component.h | 23 ++++++++++++++++++++++- 2 files changed, 33 insertions(+), 4 deletions(-) diff --git a/drivers/base/component.c b/drivers/base/component.c index 13ac2004a913..5b91a114786d 100644 --- a/drivers/base/component.c +++ b/drivers/base/component.c @@ -735,8 +735,13 @@ static void component_unbind(struct component *component, { WARN_ON(!component->bound); - if (component->ops && component->ops->unbind) - component->ops->unbind(component->dev, adev->parent, data); + if (component->ops) { + if (component->ops->unbind) + component->ops->unbind(component->dev, adev->parent, data); + else if (component->ops->unbind_component) + component->ops->unbind_component(component->dev, adev, data); + } + component->bound = false; /* Release all resources claimed in the binding of this component */ @@ -801,7 +806,10 @@ static int component_bind(struct component *component, struct aggregate_device * dev_dbg(adev->parent, "binding %s (ops %ps)\n", dev_name(component->dev), component->ops); - ret = component->ops->bind(component->dev, adev->parent, data); + if (component->ops->bind_component) + ret = component->ops->bind_component(component->dev, adev, data); + else + ret = component->ops->bind(component->dev, adev->parent, data); if (!ret) { component->bound = true; diff --git a/include/linux/component.h b/include/linux/component.h index c39dea7824af..073cbe9fea32 100644 --- a/include/linux/component.h +++ b/include/linux/component.h @@ -6,6 +6,7 @@ #include <linux/device/driver.h> #include <linux/refcount.h> +struct aggregate_device; struct device; /** @@ -20,18 +21,39 @@ struct component_ops { * * Called through component_bind_all() when the aggregate driver is * ready to bind the overall driver. + * + * Deprecated: Use bind_component() instead. */ int (*bind)(struct device *comp, struct device *master, void *master_data); + /** + * @bind_component: + * + * Called through component_bind_all() when the aggregate driver is + * ready to bind the overall driver. + */ + int (*bind_component)(struct device *comp, struct aggregate_device *adev, + void *aggregate_data); /** * @unbind: * * Called through component_unbind_all() when the aggregate driver is * ready to bind the overall driver, or when component_bind_all() fails * part-ways through and needs to unbind some already bound components. + * + * Deprecated: Use unbind_component() instead. */ void (*unbind)(struct device *comp, struct device *master, void *master_data); + /** + * @unbind_component: + * + * Called through component_unbind_all() when the aggregate driver is + * ready to unbind the overall driver, or when component_bind_all() fails + * part-ways through and needs to unbind some already bound components. + */ + int (*unbind_component)(struct device *comp, struct aggregate_device *adev, + void *aggregate_data); }; int component_add(struct device *, const struct component_ops *); @@ -42,7 +64,6 @@ void component_del(struct device *, const struct component_ops *); int component_bind_all(struct device *parent, void *data); void component_unbind_all(struct device *parent, void *data); -struct aggregate_device; struct device *aggregate_device_parent(const struct aggregate_device *adev); /** -- https://chromeos.dev
WARNING: multiple messages have this Message-ID (diff)
From: Stephen Boyd <swboyd@chromium.org> To: Greg Kroah-Hartman <gregkh@linuxfoundation.org>, Douglas Anderson <dianders@chromium.org> Cc: Saravana Kannan <saravanak@google.com>, "Rafael J. Wysocki" <rafael@kernel.org>, linux-arm-msm@vger.kernel.org, linux-kernel@vger.kernel.org, dri-devel@lists.freedesktop.org, Laurent Pinchart <laurent.pinchart@ideasonboard.com>, Daniel Vetter <daniel.vetter@ffwll.ch>, Russell King <rmk+kernel@arm.linux.org.uk>, freedreno@lists.freedesktop.org Subject: [PATCH v6 04/35] component: Add {bind, unbind}_component() ops that take aggregate device Date: Thu, 27 Jan 2022 12:01:10 -0800 [thread overview] Message-ID: <20220127200141.1295328-5-swboyd@chromium.org> (raw) In-Reply-To: <20220127200141.1295328-1-swboyd@chromium.org> We'd like to get more device model features in the component framework so let's pass the struct aggregate_device pointer instead of the parent device pointer to the component binding functions. This will allow drivers to inspect and control things related to the aggregate device in case they need it, and they'll always be able to get back to the device they were using before by using the 'parent' member of the aggregate device struct. Suggested-by: Daniel Vetter <daniel@ffwll.ch> Cc: Daniel Vetter <daniel.vetter@ffwll.ch> Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org> Cc: Laurent Pinchart <laurent.pinchart@ideasonboard.com> Cc: "Rafael J. Wysocki" <rafael@kernel.org> Cc: Rob Clark <robdclark@gmail.com> Cc: Russell King <rmk+kernel@arm.linux.org.uk> Cc: Saravana Kannan <saravanak@google.com> Signed-off-by: Stephen Boyd <swboyd@chromium.org> --- drivers/base/component.c | 14 +++++++++++--- include/linux/component.h | 23 ++++++++++++++++++++++- 2 files changed, 33 insertions(+), 4 deletions(-) diff --git a/drivers/base/component.c b/drivers/base/component.c index 13ac2004a913..5b91a114786d 100644 --- a/drivers/base/component.c +++ b/drivers/base/component.c @@ -735,8 +735,13 @@ static void component_unbind(struct component *component, { WARN_ON(!component->bound); - if (component->ops && component->ops->unbind) - component->ops->unbind(component->dev, adev->parent, data); + if (component->ops) { + if (component->ops->unbind) + component->ops->unbind(component->dev, adev->parent, data); + else if (component->ops->unbind_component) + component->ops->unbind_component(component->dev, adev, data); + } + component->bound = false; /* Release all resources claimed in the binding of this component */ @@ -801,7 +806,10 @@ static int component_bind(struct component *component, struct aggregate_device * dev_dbg(adev->parent, "binding %s (ops %ps)\n", dev_name(component->dev), component->ops); - ret = component->ops->bind(component->dev, adev->parent, data); + if (component->ops->bind_component) + ret = component->ops->bind_component(component->dev, adev, data); + else + ret = component->ops->bind(component->dev, adev->parent, data); if (!ret) { component->bound = true; diff --git a/include/linux/component.h b/include/linux/component.h index c39dea7824af..073cbe9fea32 100644 --- a/include/linux/component.h +++ b/include/linux/component.h @@ -6,6 +6,7 @@ #include <linux/device/driver.h> #include <linux/refcount.h> +struct aggregate_device; struct device; /** @@ -20,18 +21,39 @@ struct component_ops { * * Called through component_bind_all() when the aggregate driver is * ready to bind the overall driver. + * + * Deprecated: Use bind_component() instead. */ int (*bind)(struct device *comp, struct device *master, void *master_data); + /** + * @bind_component: + * + * Called through component_bind_all() when the aggregate driver is + * ready to bind the overall driver. + */ + int (*bind_component)(struct device *comp, struct aggregate_device *adev, + void *aggregate_data); /** * @unbind: * * Called through component_unbind_all() when the aggregate driver is * ready to bind the overall driver, or when component_bind_all() fails * part-ways through and needs to unbind some already bound components. + * + * Deprecated: Use unbind_component() instead. */ void (*unbind)(struct device *comp, struct device *master, void *master_data); + /** + * @unbind_component: + * + * Called through component_unbind_all() when the aggregate driver is + * ready to unbind the overall driver, or when component_bind_all() fails + * part-ways through and needs to unbind some already bound components. + */ + int (*unbind_component)(struct device *comp, struct aggregate_device *adev, + void *aggregate_data); }; int component_add(struct device *, const struct component_ops *); @@ -42,7 +64,6 @@ void component_del(struct device *, const struct component_ops *); int component_bind_all(struct device *parent, void *data); void component_unbind_all(struct device *parent, void *data); -struct aggregate_device; struct device *aggregate_device_parent(const struct aggregate_device *adev); /** -- https://chromeos.dev
next prev parent reply other threads:[~2022-01-27 20:02 UTC|newest] Thread overview: 94+ messages / expand[flat|nested] mbox.gz Atom feed top 2022-01-27 20:01 [PATCH v6 00/35] component: Make into an aggregate bus Stephen Boyd 2022-01-27 20:01 ` Stephen Boyd 2022-01-27 20:01 ` [PATCH v6 01/35] component: Replace most references to 'master' with 'aggregate device' Stephen Boyd 2022-01-27 20:01 ` Stephen Boyd 2022-01-31 13:48 ` Greg Kroah-Hartman 2022-01-31 13:48 ` Greg Kroah-Hartman 2022-01-27 20:01 ` [PATCH v6 02/35] component: Introduce the aggregate bus_type Stephen Boyd 2022-01-27 20:01 ` Stephen Boyd 2022-01-31 13:48 ` Greg Kroah-Hartman 2022-01-31 13:48 ` Greg Kroah-Hartman 2022-01-31 15:15 ` Daniel Vetter 2022-01-31 15:15 ` Daniel Vetter 2022-01-31 15:32 ` Laurent Pinchart 2022-01-31 15:32 ` Laurent Pinchart 2022-01-31 16:34 ` Greg Kroah-Hartman 2022-01-31 16:34 ` Greg Kroah-Hartman 2022-02-08 12:53 ` Daniel Vetter 2022-02-08 12:53 ` Daniel Vetter 2022-02-11 2:04 ` Stephen Boyd 2022-02-11 2:04 ` Stephen Boyd 2022-01-27 20:01 ` [PATCH v6 03/35] component: Add aggregate_device_parent() for driver use Stephen Boyd 2022-01-27 20:01 ` Stephen Boyd 2022-01-27 20:01 ` Stephen Boyd [this message] 2022-01-27 20:01 ` [PATCH v6 04/35] component: Add {bind, unbind}_component() ops that take aggregate device Stephen Boyd 2022-01-27 20:01 ` [PATCH v6 05/35] drm/of: Add a drm_of_aggregate_probe() API Stephen Boyd 2022-01-27 20:01 ` Stephen Boyd 2022-01-27 20:01 ` [PATCH v6 06/35] drm/msm: Migrate to aggregate driver Stephen Boyd 2022-01-27 20:01 ` Stephen Boyd 2022-01-27 20:01 ` [PATCH v6 07/35] drm/komeda: " Stephen Boyd 2022-01-27 20:01 ` Stephen Boyd 2022-01-27 20:01 ` [PATCH v6 08/35] drm/arm/hdlcd: " Stephen Boyd 2022-01-27 20:01 ` Stephen Boyd 2022-01-27 20:01 ` [PATCH v6 09/35] drm/malidp: " Stephen Boyd 2022-01-27 20:01 ` Stephen Boyd 2022-01-27 20:01 ` [PATCH v6 10/35] drm/armada: " Stephen Boyd 2022-01-27 20:01 ` Stephen Boyd 2022-01-27 20:01 ` [PATCH v6 11/35] drm/etnaviv: " Stephen Boyd 2022-01-27 20:01 ` Stephen Boyd 2022-01-27 20:01 ` [PATCH v6 12/35] drm/kirin: " Stephen Boyd 2022-01-27 20:01 ` Stephen Boyd 2022-01-27 20:01 ` [PATCH v6 13/35] drm/exynos: " Stephen Boyd 2022-01-27 20:01 ` Stephen Boyd 2022-01-27 20:01 ` [PATCH v6 14/35] drm/imx: " Stephen Boyd 2022-01-27 20:01 ` Stephen Boyd 2022-01-27 20:01 ` [PATCH v6 15/35] drm/ingenic: " Stephen Boyd 2022-01-27 20:01 ` Stephen Boyd 2022-01-27 20:01 ` [PATCH v6 16/35] drm/mcde: " Stephen Boyd 2022-01-27 20:01 ` Stephen Boyd 2022-01-27 20:01 ` [PATCH v6 17/35] drm/mediatek: " Stephen Boyd 2022-01-27 20:01 ` Stephen Boyd 2022-01-27 20:01 ` [PATCH v6 18/35] drm/meson: " Stephen Boyd 2022-01-27 20:01 ` Stephen Boyd 2022-01-27 20:01 ` [PATCH v6 19/35] drm/omap: " Stephen Boyd 2022-01-27 20:01 ` Stephen Boyd 2022-01-27 20:01 ` [PATCH v6 20/35] drm/rockchip: " Stephen Boyd 2022-01-27 20:01 ` Stephen Boyd 2022-01-27 20:01 ` [PATCH v6 21/35] drm/sti: " Stephen Boyd 2022-01-27 20:01 ` Stephen Boyd 2022-01-27 20:01 ` [PATCH v6 22/35] drm/sun4i: " Stephen Boyd 2022-01-27 20:01 ` Stephen Boyd 2022-01-27 20:01 ` [PATCH v6 23/35] drm/tilcdc: " Stephen Boyd 2022-01-27 20:01 ` Stephen Boyd 2022-01-27 20:01 ` [PATCH v6 24/35] drm/vc4: " Stephen Boyd 2022-01-27 20:01 ` Stephen Boyd 2022-01-27 20:01 ` [PATCH v6 25/35] iommu/mediatek: " Stephen Boyd 2022-01-27 20:01 ` Stephen Boyd 2022-02-10 11:03 ` Yong Wu 2022-02-10 11:03 ` Yong Wu 2022-02-15 17:35 ` Krzysztof Kozlowski 2022-02-15 17:35 ` Krzysztof Kozlowski 2022-01-27 20:01 ` [PATCH v6 26/35] mei: " Stephen Boyd 2022-01-27 20:01 ` Stephen Boyd 2022-01-27 20:01 ` [PATCH v6 27/35] power: supply: ab8500: " Stephen Boyd 2022-01-27 20:01 ` Stephen Boyd 2022-01-27 20:01 ` [PATCH v6 28/35] fbdev: omap2: " Stephen Boyd 2022-01-27 20:01 ` Stephen Boyd 2022-01-27 20:01 ` [PATCH v6 29/35] sound: hdac: " Stephen Boyd 2022-01-27 20:01 ` Stephen Boyd 2022-01-31 8:18 ` Takashi Iwai 2022-01-31 8:18 ` Takashi Iwai 2022-01-27 20:01 ` [PATCH v6 30/35] ASoC: codecs: wcd938x: " Stephen Boyd 2022-01-27 20:01 ` Stephen Boyd 2022-01-27 20:01 ` [PATCH v6 31/35] drm/sprd: " Stephen Boyd 2022-01-27 20:01 ` Stephen Boyd 2022-01-27 20:01 ` [PATCH v6 32/35] usb: typec: port-mapper: " Stephen Boyd 2022-01-27 20:01 ` Stephen Boyd 2022-01-27 20:01 ` [PATCH v6 33/35] ALSA: hda/realtek: " Stephen Boyd 2022-01-27 20:01 ` Stephen Boyd 2022-01-28 15:31 ` Stefan Binding 2022-01-28 15:31 ` Stefan Binding 2022-01-27 20:01 ` [PATCH v6 34/35] component: Get rid of drm_of_component_probe() Stephen Boyd 2022-01-27 20:01 ` Stephen Boyd 2022-01-27 20:01 ` [PATCH v6 35/35] component: Remove component_master_ops and friends Stephen Boyd 2022-01-27 20:01 ` Stephen Boyd
Reply instructions: You may reply publicly to this message via plain-text email using any one of the following methods: * Save the following mbox file, import it into your mail client, and reply-to-all from there: mbox Avoid top-posting and favor interleaved quoting: https://en.wikipedia.org/wiki/Posting_style#Interleaved_style * Reply using the --to, --cc, and --in-reply-to switches of git-send-email(1): git send-email \ --in-reply-to=20220127200141.1295328-5-swboyd@chromium.org \ --to=swboyd@chromium.org \ --cc=daniel.vetter@ffwll.ch \ --cc=daniel@ffwll.ch \ --cc=dianders@chromium.org \ --cc=dri-devel@lists.freedesktop.org \ --cc=freedreno@lists.freedesktop.org \ --cc=gregkh@linuxfoundation.org \ --cc=laurent.pinchart@ideasonboard.com \ --cc=linux-arm-msm@vger.kernel.org \ --cc=linux-kernel@vger.kernel.org \ --cc=rafael@kernel.org \ --cc=rmk+kernel@arm.linux.org.uk \ --cc=robdclark@gmail.com \ --cc=saravanak@google.com \ /path/to/YOUR_REPLY https://kernel.org/pub/software/scm/git/docs/git-send-email.html * If your mail client supports setting the In-Reply-To header via mailto: links, try the mailto: linkBe sure your reply has a Subject: header at the top and a blank line before the message body.
This is an external index of several public inboxes, see mirroring instructions on how to clone and mirror all data and code used by this external index.