From: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
To: Chaoyi Chen <kernel@airkyi.com>
Cc: Heikki Krogerus <heikki.krogerus@linux.intel.com>,
Dmitry Baryshkov <dmitry.baryshkov@oss.qualcomm.com>,
Peter Chen <hzpeterchen@gmail.com>,
Luca Ceresoli <luca.ceresoli@bootlin.com>,
Rob Herring <robh@kernel.org>,
Krzysztof Kozlowski <krzk+dt@kernel.org>,
Conor Dooley <conor+dt@kernel.org>, Vinod Koul <vkoul@kernel.org>,
Kishon Vijay Abraham I <kishon@kernel.org>,
Heiko Stuebner <heiko@sntech.de>,
Sandy Huang <hjc@rock-chips.com>,
Andy Yan <andy.yan@rock-chips.com>,
Yubing Zhang <yubing.zhang@rock-chips.com>,
Frank Wang <frank.wang@rock-chips.com>,
Andrzej Hajda <andrzej.hajda@intel.com>,
Neil Armstrong <neil.armstrong@linaro.org>,
Robert Foss <rfoss@kernel.org>,
Laurent Pinchart <Laurent.pinchart@ideasonboard.com>,
Jonas Karlman <jonas@kwiboo.se>,
Jernej Skrabec <jernej.skrabec@gmail.com>,
Maarten Lankhorst <maarten.lankhorst@linux.intel.com>,
Maxime Ripard <mripard@kernel.org>,
Thomas Zimmermann <tzimmermann@suse.de>,
David Airlie <airlied@gmail.com>, Simona Vetter <simona@ffwll.ch>,
Amit Sunil Dhamne <amitsd@google.com>,
Chaoyi Chen <chaoyi.chen@rock-chips.com>,
Dragan Simic <dsimic@manjaro.org>,
Johan Jonker <jbx6244@gmail.com>,
Diederik de Haas <didi.debian@cknow.org>,
Peter Robinson <pbrobinson@gmail.com>,
linux-usb@vger.kernel.org, devicetree@vger.kernel.org,
linux-kernel@vger.kernel.org, linux-phy@lists.infradead.org,
linux-arm-kernel@lists.infradead.org,
linux-rockchip@lists.infradead.org,
dri-devel@lists.freedesktop.org
Subject: Re: [PATCH v10 01/11] usb: typec: Add notifier functions
Date: Fri, 21 Nov 2025 15:07:03 +0100 [thread overview]
Message-ID: <2025112102-laurel-mulch-58e4@gregkh> (raw)
In-Reply-To: <20251120022343.250-2-kernel@airkyi.com>
On Thu, Nov 20, 2025 at 10:23:33AM +0800, Chaoyi Chen wrote:
> From: Chaoyi Chen <chaoyi.chen@rock-chips.com>
>
> Some other part of kernel may want to know the event of typec bus.
Be specific, WHAT part of the kernel will need to know this?
And why a new notifier, why not just use the existing notifiers that you
already have? And what is this going to be used for?
Notifiers are a pain, and should almost never be added. Use real
function calls instead.
thanks,
greg k-h
WARNING: multiple messages have this Message-ID (diff)
From: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
To: Chaoyi Chen <kernel@airkyi.com>
Cc: Heikki Krogerus <heikki.krogerus@linux.intel.com>,
Dmitry Baryshkov <dmitry.baryshkov@oss.qualcomm.com>,
Peter Chen <hzpeterchen@gmail.com>,
Luca Ceresoli <luca.ceresoli@bootlin.com>,
Rob Herring <robh@kernel.org>,
Krzysztof Kozlowski <krzk+dt@kernel.org>,
Conor Dooley <conor+dt@kernel.org>, Vinod Koul <vkoul@kernel.org>,
Kishon Vijay Abraham I <kishon@kernel.org>,
Heiko Stuebner <heiko@sntech.de>,
Sandy Huang <hjc@rock-chips.com>,
Andy Yan <andy.yan@rock-chips.com>,
Yubing Zhang <yubing.zhang@rock-chips.com>,
Frank Wang <frank.wang@rock-chips.com>,
Andrzej Hajda <andrzej.hajda@intel.com>,
Neil Armstrong <neil.armstrong@linaro.org>,
Robert Foss <rfoss@kernel.org>,
Laurent Pinchart <Laurent.pinchart@ideasonboard.com>,
Jonas Karlman <jonas@kwiboo.se>,
Jernej Skrabec <jernej.skrabec@gmail.com>,
Maarten Lankhorst <maarten.lankhorst@linux.intel.com>,
Maxime Ripard <mripard@kernel.org>,
Thomas Zimmermann <tzimmermann@suse.de>,
David Airlie <airlied@gmail.com>, Simona Vetter <simona@ffwll.ch>,
Amit Sunil Dhamne <amitsd@google.com>,
Chaoyi Chen <chaoyi.chen@rock-chips.com>,
Dragan Simic <dsimic@manjaro.org>,
Johan Jonker <jbx6244@gmail.com>,
Diederik de Haas <didi.debian@cknow.org>,
Peter Robinson <pbrobinson@gmail.com>,
linux-usb@vger.kernel.org, devicetree@vger.kernel.org,
linux-kernel@vger.kernel.org, linux-phy@lists.infradead.org,
linux-arm-kernel@lists.infradead.org,
linux-rockchip@lists.infradead.org,
dri-devel@lists.freedesktop.org
Subject: Re: [PATCH v10 01/11] usb: typec: Add notifier functions
Date: Fri, 21 Nov 2025 15:07:03 +0100 [thread overview]
Message-ID: <2025112102-laurel-mulch-58e4@gregkh> (raw)
In-Reply-To: <20251120022343.250-2-kernel@airkyi.com>
On Thu, Nov 20, 2025 at 10:23:33AM +0800, Chaoyi Chen wrote:
> From: Chaoyi Chen <chaoyi.chen@rock-chips.com>
>
> Some other part of kernel may want to know the event of typec bus.
Be specific, WHAT part of the kernel will need to know this?
And why a new notifier, why not just use the existing notifiers that you
already have? And what is this going to be used for?
Notifiers are a pain, and should almost never be added. Use real
function calls instead.
thanks,
greg k-h
--
linux-phy mailing list
linux-phy@lists.infradead.org
https://lists.infradead.org/mailman/listinfo/linux-phy
WARNING: multiple messages have this Message-ID (diff)
From: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
To: Chaoyi Chen <kernel@airkyi.com>
Cc: Heikki Krogerus <heikki.krogerus@linux.intel.com>,
Dmitry Baryshkov <dmitry.baryshkov@oss.qualcomm.com>,
Peter Chen <hzpeterchen@gmail.com>,
Luca Ceresoli <luca.ceresoli@bootlin.com>,
Rob Herring <robh@kernel.org>,
Krzysztof Kozlowski <krzk+dt@kernel.org>,
Conor Dooley <conor+dt@kernel.org>, Vinod Koul <vkoul@kernel.org>,
Kishon Vijay Abraham I <kishon@kernel.org>,
Heiko Stuebner <heiko@sntech.de>,
Sandy Huang <hjc@rock-chips.com>,
Andy Yan <andy.yan@rock-chips.com>,
Yubing Zhang <yubing.zhang@rock-chips.com>,
Frank Wang <frank.wang@rock-chips.com>,
Andrzej Hajda <andrzej.hajda@intel.com>,
Neil Armstrong <neil.armstrong@linaro.org>,
Robert Foss <rfoss@kernel.org>,
Laurent Pinchart <Laurent.pinchart@ideasonboard.com>,
Jonas Karlman <jonas@kwiboo.se>,
Jernej Skrabec <jernej.skrabec@gmail.com>,
Maarten Lankhorst <maarten.lankhorst@linux.intel.com>,
Maxime Ripard <mripard@kernel.org>,
Thomas Zimmermann <tzimmermann@suse.de>,
David Airlie <airlied@gmail.com>, Simona Vetter <simona@ffwll.ch>,
Amit Sunil Dhamne <amitsd@google.com>,
Chaoyi Chen <chaoyi.chen@rock-chips.com>,
Dragan Simic <dsimic@manjaro.org>,
Johan Jonker <jbx6244@gmail.com>,
Diederik de Haas <didi.debian@cknow.org>,
Peter Robinson <pbrobinson@gmail.com>,
linux-usb@vger.kernel.org, devicetree@vger.kernel.org,
linux-kernel@vger.kernel.org, linux-phy@lists.infradead.org,
linux-arm-kernel@lists.infradead.org,
linux-rockchip@lists.infradead.org,
dri-devel@lists.freedesktop.org
Subject: Re: [PATCH v10 01/11] usb: typec: Add notifier functions
Date: Fri, 21 Nov 2025 15:07:03 +0100 [thread overview]
Message-ID: <2025112102-laurel-mulch-58e4@gregkh> (raw)
In-Reply-To: <20251120022343.250-2-kernel@airkyi.com>
On Thu, Nov 20, 2025 at 10:23:33AM +0800, Chaoyi Chen wrote:
> From: Chaoyi Chen <chaoyi.chen@rock-chips.com>
>
> Some other part of kernel may want to know the event of typec bus.
Be specific, WHAT part of the kernel will need to know this?
And why a new notifier, why not just use the existing notifiers that you
already have? And what is this going to be used for?
Notifiers are a pain, and should almost never be added. Use real
function calls instead.
thanks,
greg k-h
_______________________________________________
Linux-rockchip mailing list
Linux-rockchip@lists.infradead.org
http://lists.infradead.org/mailman/listinfo/linux-rockchip
next prev parent reply other threads:[~2025-11-21 14:18 UTC|newest]
Thread overview: 93+ messages / expand[flat|nested] mbox.gz Atom feed top
2025-11-20 2:23 [PATCH v10 00/11] Add Type-C DP support for RK3399 EVB IND board Chaoyi Chen
2025-11-20 2:23 ` Chaoyi Chen
2025-11-20 2:23 ` Chaoyi Chen
2025-11-20 2:23 ` [PATCH v10 01/11] usb: typec: Add notifier functions Chaoyi Chen
2025-11-20 2:23 ` Chaoyi Chen
2025-11-20 2:23 ` Chaoyi Chen
2025-11-21 14:07 ` Greg Kroah-Hartman [this message]
2025-11-21 14:07 ` Greg Kroah-Hartman
2025-11-21 14:07 ` Greg Kroah-Hartman
2025-11-24 1:40 ` Chaoyi Chen
2025-11-24 1:40 ` Chaoyi Chen
2025-11-24 1:40 ` Chaoyi Chen
2025-11-24 7:10 ` Greg Kroah-Hartman
2025-11-24 7:10 ` Greg Kroah-Hartman
2025-11-24 7:10 ` Greg Kroah-Hartman
2025-11-24 8:05 ` Chaoyi Chen
2025-11-24 8:05 ` Chaoyi Chen
2025-11-24 8:05 ` Chaoyi Chen
2025-11-24 16:33 ` Greg Kroah-Hartman
2025-11-24 16:33 ` Greg Kroah-Hartman
2025-11-24 16:33 ` Greg Kroah-Hartman
2025-11-25 2:23 ` Chaoyi Chen
2025-11-25 2:23 ` Chaoyi Chen
2025-11-25 2:23 ` Chaoyi Chen
2025-11-25 10:06 ` Heikki Krogerus
2025-11-25 10:06 ` Heikki Krogerus
2025-11-25 10:06 ` Heikki Krogerus
2025-11-25 10:54 ` Chaoyi Chen
2025-11-25 10:54 ` Chaoyi Chen
2025-11-25 10:54 ` Chaoyi Chen
2025-11-25 11:49 ` Greg Kroah-Hartman
2025-11-25 11:49 ` Greg Kroah-Hartman
2025-11-25 11:49 ` Greg Kroah-Hartman
2025-11-26 1:46 ` Chaoyi Chen
2025-11-26 1:46 ` Chaoyi Chen
2025-11-26 1:46 ` Chaoyi Chen
2025-11-26 9:42 ` Heikki Krogerus
2025-11-26 9:42 ` Heikki Krogerus
2025-11-26 9:42 ` Heikki Krogerus
2025-11-26 11:44 ` Greg Kroah-Hartman
2025-11-26 11:44 ` Greg Kroah-Hartman
2025-11-26 11:44 ` Greg Kroah-Hartman
2025-11-26 11:51 ` Chaoyi Chen
2025-11-26 11:51 ` Chaoyi Chen
2025-11-26 11:51 ` Chaoyi Chen
2025-11-26 12:26 ` Heikki Krogerus
2025-11-26 12:26 ` Heikki Krogerus
2025-11-26 12:26 ` Heikki Krogerus
2025-11-20 2:23 ` [PATCH v10 02/11] usb: typec: Export all typec device types Chaoyi Chen
2025-11-20 2:23 ` Chaoyi Chen
2025-11-20 2:23 ` Chaoyi Chen
2025-11-21 14:07 ` Greg Kroah-Hartman
2025-11-21 14:07 ` Greg Kroah-Hartman
2025-11-21 14:07 ` Greg Kroah-Hartman
2025-11-24 1:45 ` Chaoyi Chen
2025-11-24 1:45 ` Chaoyi Chen
2025-11-24 1:45 ` Chaoyi Chen
2025-11-20 2:23 ` [PATCH v10 03/11] drm/bridge: Implement generic USB Type-C DP HPD bridge Chaoyi Chen
2025-11-20 2:23 ` Chaoyi Chen
2025-11-20 2:23 ` Chaoyi Chen
2025-11-26 2:13 ` Chaoyi Chen
2025-11-26 2:13 ` Chaoyi Chen
2025-11-26 2:13 ` Chaoyi Chen
2025-11-20 2:23 ` [PATCH v10 04/11] drm/bridge: aux: Add drm_aux_bridge_register_from_node() Chaoyi Chen
2025-11-20 2:23 ` Chaoyi Chen
2025-11-20 2:23 ` Chaoyi Chen
2025-11-21 14:54 ` Neil Armstrong
2025-11-21 14:54 ` Neil Armstrong
2025-11-21 14:54 ` Neil Armstrong
2025-11-20 2:23 ` [PATCH v10 05/11] dt-bindings: phy: rockchip: rk3399-typec-phy: Support mode-switch Chaoyi Chen
2025-11-20 2:23 ` Chaoyi Chen
2025-11-20 2:23 ` Chaoyi Chen
2025-11-20 2:23 ` [PATCH v10 06/11] phy: rockchip: phy-rockchip-typec: Add typec_mux/typec_switch support Chaoyi Chen
2025-11-20 2:23 ` Chaoyi Chen
2025-11-20 2:23 ` Chaoyi Chen
2025-11-20 2:23 ` [PATCH v10 07/11] phy: rockchip: phy-rockchip-typec: Add DRM AUX bridge Chaoyi Chen
2025-11-20 2:23 ` Chaoyi Chen
2025-11-20 2:23 ` Chaoyi Chen
2025-11-21 14:54 ` Neil Armstrong
2025-11-21 14:54 ` Neil Armstrong
2025-11-21 14:54 ` Neil Armstrong
2025-11-20 2:23 ` [PATCH v10 08/11] drm/rockchip: cdn-dp: Support handle lane info without extcon Chaoyi Chen
2025-11-20 2:23 ` Chaoyi Chen
2025-11-20 2:23 ` Chaoyi Chen
2025-11-20 2:23 ` [PATCH v10 09/11] drm/rockchip: cdn-dp: Add multiple bridges to support PHY port selection Chaoyi Chen
2025-11-20 2:23 ` Chaoyi Chen
2025-11-20 2:23 ` Chaoyi Chen
2025-11-20 2:23 ` [PATCH v10 10/11] arm64: dts: rockchip: Add missing dp_out port for RK3399 CDN-DP Chaoyi Chen
2025-11-20 2:23 ` Chaoyi Chen
2025-11-20 2:23 ` Chaoyi Chen
2025-11-20 2:23 ` [PATCH v10 11/11] arm64: dts: rockchip: rk3399-evb-ind: Add support for DisplayPort Chaoyi Chen
2025-11-20 2:23 ` Chaoyi Chen
2025-11-20 2:23 ` Chaoyi Chen
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