From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id 93DD6CE8D6B for ; Mon, 17 Nov 2025 08:41:24 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender:List-Subscribe:List-Help :List-Post:List-Archive:List-Unsubscribe:List-Id:Content-Transfer-Encoding: Content-Type:In-Reply-To:From:References:Cc:To:Subject:MIME-Version:Date: Message-ID:Reply-To:Content-ID:Content-Description:Resent-Date:Resent-From: Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:List-Owner; bh=tB5/oLgZQyjNeula29g1R0qnMwKqvTtythdvgE1DMgw=; b=OxykyMxLZQNwHZcBTEBvkvmHjS qXxxNgxixfBoT+5X4MOzR4pFk0f8N+o0KduyQp6C78EomFgr4hzBfTCmuX476HNTnTleKgOI4zcwM X9lZXSixCqrJgSbje5QQXDfifel2pEB/3TsSu/kLtaCc+Fd8JLuyZVc90DIl2fktfiha5IG1s9oSz ukcKkkdjIpyyWo/mtPE38OcH7dW6z4Zov79vOjaJR6cwkwCZVjfIP5klufBtlCpEPFDi8F5OZZw0R ivGmX87lEuTEBwpui2fJLKuO2VS0cyvdkQBkg3pF/EBpOkR+3PhKmGW9XNlg+as/N3HT/y6XXioAi G2SYthXw==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.98.2 #2 (Red Hat Linux)) id 1vKunY-0000000FhjD-0yq2; Mon, 17 Nov 2025 08:41:20 +0000 Received: from mail-m3268.qiye.163.com ([220.197.32.68]) by bombadil.infradead.org with esmtps (Exim 4.98.2 #2 (Red Hat Linux)) id 1vKunU-0000000Fhhf-0uel; Mon, 17 Nov 2025 08:41:18 +0000 Received: from [172.16.12.51] (unknown [58.22.7.114]) by smtp.qiye.163.com (Hmail) with ESMTP id 29d41b62c; Mon, 17 Nov 2025 16:41:08 +0800 (GMT+08:00) Message-ID: Date: Mon, 17 Nov 2025 16:41:07 +0800 MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH v9 01/10] usb: typec: Add notifier functions To: Heikki Krogerus , Chaoyi Chen Cc: Greg Kroah-Hartman , Dmitry Baryshkov , Peter Chen , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Vinod Koul , Kishon Vijay Abraham I , Heiko Stuebner , Sandy Huang , Andy Yan , Yubing Zhang , Frank Wang , Andrzej Hajda , Neil Armstrong , Robert Foss , Laurent Pinchart , Jonas Karlman , Jernej Skrabec , Maarten Lankhorst , Maxime Ripard , Thomas Zimmermann , David Airlie , Simona Vetter , Amit Sunil Dhamne , Dragan Simic , Johan Jonker , Diederik de Haas , Peter Robinson , 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 References: <20251111105040.94-1-kernel@airkyi.com> <20251111105040.94-2-kernel@airkyi.com> Content-Language: en-US From: Chaoyi Chen In-Reply-To: Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit X-HM-Tid: 0a9a90f9990e03abkunm4cb37f2e8ef5d7 X-HM-MType: 1 X-HM-Spam-Status: e1kfGhgUHx5ZQUpXWQgPGg8OCBgUHx5ZQUlOS1dZFg8aDwILHllBWSg2Ly tZV1koWUFDSUNOT01LS0k3V1ktWUFJV1kPCRoVCBIfWUFZGh9LGVZMTEpKSElOTUgeQhlWFRQJFh oXVRMBExYaEhckFA4PWVdZGBILWUFZTkNVSUlVTFVKSk9ZV1kWGg8SFR0UWUFZT0tIVUpLSEpPSE xVSktLVUpCS0tZBg++ DKIM-Signature: a=rsa-sha256; b=hOFtIT19tQHGKm/AjIrU3dl9n7oTP30e+3028Vz/xpPVYhiRb5DY+GdzDQAke2B4uTj9X52JMiN7m3Q5PbecpuNBUkv1arKOXPCcGAo1RbjOs6PsLqyySe5MADqb96G35VF9Hr2XNq1Fuhgo/zOfm3gqq8ppid45A8xGVpVncIk=; c=relaxed/relaxed; s=default; d=rock-chips.com; v=1; bh=tB5/oLgZQyjNeula29g1R0qnMwKqvTtythdvgE1DMgw=; h=date:mime-version:subject:message-id:from; X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20251117_004116_775114_D7BF70C7 X-CRM114-Status: GOOD ( 13.79 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org On 11/17/2025 4:33 PM, Heikki Krogerus wrote: > Tue, Nov 11, 2025 at 06:50:31PM +0800, Chaoyi Chen kirjoitti: >> From: Chaoyi Chen >> >> Some other part of kernel may want to know the event of typec bus. >> >> This patch add common notifier function to notify these event. >> >> Signed-off-by: Chaoyi Chen >> --- >> >> Changes in v9: >> - Remove redundant header files. >> >> Changes in v8: >> - Fix coding style. >> >> drivers/usb/typec/Makefile | 2 +- >> drivers/usb/typec/bus.h | 2 ++ >> drivers/usb/typec/class.c | 2 ++ >> drivers/usb/typec/notify.c | 23 +++++++++++++++++++++++ >> include/linux/usb/typec_altmode.h | 9 +++++++++ >> 5 files changed, 37 insertions(+), 1 deletion(-) >> create mode 100644 drivers/usb/typec/notify.c >> >> diff --git a/drivers/usb/typec/Makefile b/drivers/usb/typec/Makefile >> index 7a368fea61bc..20d09c5314d7 100644 >> --- a/drivers/usb/typec/Makefile >> +++ b/drivers/usb/typec/Makefile >> @@ -1,6 +1,6 @@ >> # SPDX-License-Identifier: GPL-2.0 >> obj-$(CONFIG_TYPEC) += typec.o >> -typec-y := class.o mux.o bus.o pd.o retimer.o >> +typec-y := class.o mux.o notify.o bus.o pd.o retimer.o >> typec-$(CONFIG_ACPI) += port-mapper.o >> obj-$(CONFIG_TYPEC) += altmodes/ >> obj-$(CONFIG_TYPEC_TCPM) += tcpm/ >> diff --git a/drivers/usb/typec/bus.h b/drivers/usb/typec/bus.h >> index 643b8c81786d..820b59b6d434 100644 >> --- a/drivers/usb/typec/bus.h >> +++ b/drivers/usb/typec/bus.h >> @@ -26,6 +26,8 @@ struct altmode { >> struct altmode *plug[2]; >> }; >> >> +void typec_notify_event(unsigned long event, void *data); >> + >> #define to_altmode(d) container_of(d, struct altmode, adev) >> >> extern const struct bus_type typec_bus; >> diff --git a/drivers/usb/typec/class.c b/drivers/usb/typec/class.c >> index 9b2647cb199b..9d2aa3dd3f56 100644 >> --- a/drivers/usb/typec/class.c >> +++ b/drivers/usb/typec/class.c >> @@ -600,6 +600,8 @@ typec_register_altmode(struct device *parent, >> return ERR_PTR(ret); >> } >> >> + typec_notify_event(TYPEC_ALTMODE_REGISTERED, &alt->adev); >> + >> return &alt->adev; >> } > You need to also send TYPEC_ALTMODE_UNREGISTERED notification in > typec_unregister_altmode(). > Sorry, I left that out. I will fix this in v10. Thank you. -- Best, Chaoyi From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id F0528CEACEF for ; Mon, 17 Nov 2025 08:41:19 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender:Content-Type: Content-Transfer-Encoding:List-Subscribe:List-Help:List-Post:List-Archive: List-Unsubscribe:List-Id:In-Reply-To:From:References:Cc:To:Subject: MIME-Version:Date:Message-ID:Reply-To:Content-ID:Content-Description: Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID: List-Owner; bh=o3tUbD4bkLmt6iSd2OgNh2UG55Bu7gTuZXN9Xw+lJbU=; b=t8fXz0WV+0P8Xh lradFJMUhAf/6pSdp7YLYSMtMlhGsbmq9Bf8/dpN0q/FlwtkwOkLAPm/uHiPGs08jQ/OJDNaHsoXF PvZq0tQBO3acnmjBJYhf/OxEaAxDV+YT2KcMBqr/Msjf8MfXGII1yJ0dqaPew53iyWGvB2BybHMpN ke2Zx4WcsLukhHuHnbDGKYj4wK2snqQLj+7oiw8ZaJaV8r14zqx+f7rbJkv1mG2F9HAhERdcl1W5+ ipTLh9jhWqARwW82SRZB7VcBb4ajM1rwXtnJN9khdH8Bj/Nij5BG5h+0glZ6qyLsAo+KSWs/vc0li ssumM/dTLTqZWVAjYjLA==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.98.2 #2 (Red Hat Linux)) id 1vKunX-0000000Fhip-31jy; Mon, 17 Nov 2025 08:41:19 +0000 Received: from mail-m3268.qiye.163.com ([220.197.32.68]) by bombadil.infradead.org with esmtps (Exim 4.98.2 #2 (Red Hat Linux)) id 1vKunU-0000000Fhhf-0uel; Mon, 17 Nov 2025 08:41:18 +0000 Received: from [172.16.12.51] (unknown [58.22.7.114]) by smtp.qiye.163.com (Hmail) with ESMTP id 29d41b62c; Mon, 17 Nov 2025 16:41:08 +0800 (GMT+08:00) Message-ID: Date: Mon, 17 Nov 2025 16:41:07 +0800 MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH v9 01/10] usb: typec: Add notifier functions To: Heikki Krogerus , Chaoyi Chen Cc: Greg Kroah-Hartman , Dmitry Baryshkov , Peter Chen , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Vinod Koul , Kishon Vijay Abraham I , Heiko Stuebner , Sandy Huang , Andy Yan , Yubing Zhang , Frank Wang , Andrzej Hajda , Neil Armstrong , Robert Foss , Laurent Pinchart , Jonas Karlman , Jernej Skrabec , Maarten Lankhorst , Maxime Ripard , Thomas Zimmermann , David Airlie , Simona Vetter , Amit Sunil Dhamne , Dragan Simic , Johan Jonker , Diederik de Haas , Peter Robinson , 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 References: <20251111105040.94-1-kernel@airkyi.com> <20251111105040.94-2-kernel@airkyi.com> Content-Language: en-US From: Chaoyi Chen In-Reply-To: X-HM-Tid: 0a9a90f9990e03abkunm4cb37f2e8ef5d7 X-HM-MType: 1 X-HM-Spam-Status: e1kfGhgUHx5ZQUpXWQgPGg8OCBgUHx5ZQUlOS1dZFg8aDwILHllBWSg2Ly tZV1koWUFDSUNOT01LS0k3V1ktWUFJV1kPCRoVCBIfWUFZGh9LGVZMTEpKSElOTUgeQhlWFRQJFh oXVRMBExYaEhckFA4PWVdZGBILWUFZTkNVSUlVTFVKSk9ZV1kWGg8SFR0UWUFZT0tIVUpLSEpPSE xVSktLVUpCS0tZBg++ DKIM-Signature: a=rsa-sha256; b=hOFtIT19tQHGKm/AjIrU3dl9n7oTP30e+3028Vz/xpPVYhiRb5DY+GdzDQAke2B4uTj9X52JMiN7m3Q5PbecpuNBUkv1arKOXPCcGAo1RbjOs6PsLqyySe5MADqb96G35VF9Hr2XNq1Fuhgo/zOfm3gqq8ppid45A8xGVpVncIk=; c=relaxed/relaxed; s=default; d=rock-chips.com; v=1; bh=tB5/oLgZQyjNeula29g1R0qnMwKqvTtythdvgE1DMgw=; h=date:mime-version:subject:message-id:from; X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20251117_004116_775114_D7BF70C7 X-CRM114-Status: GOOD ( 13.79 ) X-BeenThere: linux-phy@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: Linux Phy Mailing list List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Transfer-Encoding: 7bit Content-Type: text/plain; charset="us-ascii"; Format="flowed" Sender: "linux-phy" Errors-To: linux-phy-bounces+linux-phy=archiver.kernel.org@lists.infradead.org On 11/17/2025 4:33 PM, Heikki Krogerus wrote: > Tue, Nov 11, 2025 at 06:50:31PM +0800, Chaoyi Chen kirjoitti: >> From: Chaoyi Chen >> >> Some other part of kernel may want to know the event of typec bus. >> >> This patch add common notifier function to notify these event. >> >> Signed-off-by: Chaoyi Chen >> --- >> >> Changes in v9: >> - Remove redundant header files. >> >> Changes in v8: >> - Fix coding style. >> >> drivers/usb/typec/Makefile | 2 +- >> drivers/usb/typec/bus.h | 2 ++ >> drivers/usb/typec/class.c | 2 ++ >> drivers/usb/typec/notify.c | 23 +++++++++++++++++++++++ >> include/linux/usb/typec_altmode.h | 9 +++++++++ >> 5 files changed, 37 insertions(+), 1 deletion(-) >> create mode 100644 drivers/usb/typec/notify.c >> >> diff --git a/drivers/usb/typec/Makefile b/drivers/usb/typec/Makefile >> index 7a368fea61bc..20d09c5314d7 100644 >> --- a/drivers/usb/typec/Makefile >> +++ b/drivers/usb/typec/Makefile >> @@ -1,6 +1,6 @@ >> # SPDX-License-Identifier: GPL-2.0 >> obj-$(CONFIG_TYPEC) += typec.o >> -typec-y := class.o mux.o bus.o pd.o retimer.o >> +typec-y := class.o mux.o notify.o bus.o pd.o retimer.o >> typec-$(CONFIG_ACPI) += port-mapper.o >> obj-$(CONFIG_TYPEC) += altmodes/ >> obj-$(CONFIG_TYPEC_TCPM) += tcpm/ >> diff --git a/drivers/usb/typec/bus.h b/drivers/usb/typec/bus.h >> index 643b8c81786d..820b59b6d434 100644 >> --- a/drivers/usb/typec/bus.h >> +++ b/drivers/usb/typec/bus.h >> @@ -26,6 +26,8 @@ struct altmode { >> struct altmode *plug[2]; >> }; >> >> +void typec_notify_event(unsigned long event, void *data); >> + >> #define to_altmode(d) container_of(d, struct altmode, adev) >> >> extern const struct bus_type typec_bus; >> diff --git a/drivers/usb/typec/class.c b/drivers/usb/typec/class.c >> index 9b2647cb199b..9d2aa3dd3f56 100644 >> --- a/drivers/usb/typec/class.c >> +++ b/drivers/usb/typec/class.c >> @@ -600,6 +600,8 @@ typec_register_altmode(struct device *parent, >> return ERR_PTR(ret); >> } >> >> + typec_notify_event(TYPEC_ALTMODE_REGISTERED, &alt->adev); >> + >> return &alt->adev; >> } > You need to also send TYPEC_ALTMODE_UNREGISTERED notification in > typec_unregister_altmode(). > Sorry, I left that out. I will fix this in v10. Thank you. -- Best, Chaoyi -- linux-phy mailing list linux-phy@lists.infradead.org https://lists.infradead.org/mailman/listinfo/linux-phy From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id 2972CCEACEF for ; Mon, 17 Nov 2025 08:41:24 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender:Content-Type: Content-Transfer-Encoding:List-Subscribe:List-Help:List-Post:List-Archive: List-Unsubscribe:List-Id:In-Reply-To:From:References:Cc:To:Subject: MIME-Version:Date:Message-ID:Reply-To:Content-ID:Content-Description: Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID: List-Owner; bh=VK2CvmzYjq85N7uGPHmXiVZd5AWbmJ/xtR4tyEFwGxo=; b=oVn8ero4fRRtT8 yzEAkiN9OC2dRm0ryjLirRQnEnhgt1Ek932flRteEC9XWV3KzJaUcSXIBGb+DHlwbXigOplNE7WXj oxzVZhtEjEdExLx2uZHyz1tYW1qZdMhyzlrrgtPYHIUlZ0va8rYypnW/R1N2Au28VT5jRTznzamD3 VZAyYc8KRBG4Kloixd4cvEJNzQSRyzqHpsN6zW5b55UVLq/UhYrvtpvFN7jf1PDEOEtRfglPAun1E ivWRh3Xq7PRVdL4ZJO6DEU40uTtMLOJcMWmeVSWyQBuGyfHQLNI0RfZ777tTt9ZN+zRszDdlxF4Dv +nNb+2MjPRZbnz0PAcfg==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.98.2 #2 (Red Hat Linux)) id 1vKunX-0000000Fhj0-43DW; Mon, 17 Nov 2025 08:41:19 +0000 Received: from mail-m3268.qiye.163.com ([220.197.32.68]) by bombadil.infradead.org with esmtps (Exim 4.98.2 #2 (Red Hat Linux)) id 1vKunU-0000000Fhhf-0uel; Mon, 17 Nov 2025 08:41:18 +0000 Received: from [172.16.12.51] (unknown [58.22.7.114]) by smtp.qiye.163.com (Hmail) with ESMTP id 29d41b62c; Mon, 17 Nov 2025 16:41:08 +0800 (GMT+08:00) Message-ID: Date: Mon, 17 Nov 2025 16:41:07 +0800 MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH v9 01/10] usb: typec: Add notifier functions To: Heikki Krogerus , Chaoyi Chen Cc: Greg Kroah-Hartman , Dmitry Baryshkov , Peter Chen , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Vinod Koul , Kishon Vijay Abraham I , Heiko Stuebner , Sandy Huang , Andy Yan , Yubing Zhang , Frank Wang , Andrzej Hajda , Neil Armstrong , Robert Foss , Laurent Pinchart , Jonas Karlman , Jernej Skrabec , Maarten Lankhorst , Maxime Ripard , Thomas Zimmermann , David Airlie , Simona Vetter , Amit Sunil Dhamne , Dragan Simic , Johan Jonker , Diederik de Haas , Peter Robinson , 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 References: <20251111105040.94-1-kernel@airkyi.com> <20251111105040.94-2-kernel@airkyi.com> Content-Language: en-US From: Chaoyi Chen In-Reply-To: X-HM-Tid: 0a9a90f9990e03abkunm4cb37f2e8ef5d7 X-HM-MType: 1 X-HM-Spam-Status: e1kfGhgUHx5ZQUpXWQgPGg8OCBgUHx5ZQUlOS1dZFg8aDwILHllBWSg2Ly tZV1koWUFDSUNOT01LS0k3V1ktWUFJV1kPCRoVCBIfWUFZGh9LGVZMTEpKSElOTUgeQhlWFRQJFh oXVRMBExYaEhckFA4PWVdZGBILWUFZTkNVSUlVTFVKSk9ZV1kWGg8SFR0UWUFZT0tIVUpLSEpPSE xVSktLVUpCS0tZBg++ DKIM-Signature: a=rsa-sha256; b=hOFtIT19tQHGKm/AjIrU3dl9n7oTP30e+3028Vz/xpPVYhiRb5DY+GdzDQAke2B4uTj9X52JMiN7m3Q5PbecpuNBUkv1arKOXPCcGAo1RbjOs6PsLqyySe5MADqb96G35VF9Hr2XNq1Fuhgo/zOfm3gqq8ppid45A8xGVpVncIk=; c=relaxed/relaxed; s=default; d=rock-chips.com; v=1; bh=tB5/oLgZQyjNeula29g1R0qnMwKqvTtythdvgE1DMgw=; h=date:mime-version:subject:message-id:from; X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20251117_004116_775114_D7BF70C7 X-CRM114-Status: GOOD ( 13.79 ) X-BeenThere: linux-rockchip@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: Upstream kernel work for Rockchip platforms List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Transfer-Encoding: 7bit Content-Type: text/plain; charset="us-ascii"; Format="flowed" Sender: "Linux-rockchip" Errors-To: linux-rockchip-bounces+linux-rockchip=archiver.kernel.org@lists.infradead.org On 11/17/2025 4:33 PM, Heikki Krogerus wrote: > Tue, Nov 11, 2025 at 06:50:31PM +0800, Chaoyi Chen kirjoitti: >> From: Chaoyi Chen >> >> Some other part of kernel may want to know the event of typec bus. >> >> This patch add common notifier function to notify these event. >> >> Signed-off-by: Chaoyi Chen >> --- >> >> Changes in v9: >> - Remove redundant header files. >> >> Changes in v8: >> - Fix coding style. >> >> drivers/usb/typec/Makefile | 2 +- >> drivers/usb/typec/bus.h | 2 ++ >> drivers/usb/typec/class.c | 2 ++ >> drivers/usb/typec/notify.c | 23 +++++++++++++++++++++++ >> include/linux/usb/typec_altmode.h | 9 +++++++++ >> 5 files changed, 37 insertions(+), 1 deletion(-) >> create mode 100644 drivers/usb/typec/notify.c >> >> diff --git a/drivers/usb/typec/Makefile b/drivers/usb/typec/Makefile >> index 7a368fea61bc..20d09c5314d7 100644 >> --- a/drivers/usb/typec/Makefile >> +++ b/drivers/usb/typec/Makefile >> @@ -1,6 +1,6 @@ >> # SPDX-License-Identifier: GPL-2.0 >> obj-$(CONFIG_TYPEC) += typec.o >> -typec-y := class.o mux.o bus.o pd.o retimer.o >> +typec-y := class.o mux.o notify.o bus.o pd.o retimer.o >> typec-$(CONFIG_ACPI) += port-mapper.o >> obj-$(CONFIG_TYPEC) += altmodes/ >> obj-$(CONFIG_TYPEC_TCPM) += tcpm/ >> diff --git a/drivers/usb/typec/bus.h b/drivers/usb/typec/bus.h >> index 643b8c81786d..820b59b6d434 100644 >> --- a/drivers/usb/typec/bus.h >> +++ b/drivers/usb/typec/bus.h >> @@ -26,6 +26,8 @@ struct altmode { >> struct altmode *plug[2]; >> }; >> >> +void typec_notify_event(unsigned long event, void *data); >> + >> #define to_altmode(d) container_of(d, struct altmode, adev) >> >> extern const struct bus_type typec_bus; >> diff --git a/drivers/usb/typec/class.c b/drivers/usb/typec/class.c >> index 9b2647cb199b..9d2aa3dd3f56 100644 >> --- a/drivers/usb/typec/class.c >> +++ b/drivers/usb/typec/class.c >> @@ -600,6 +600,8 @@ typec_register_altmode(struct device *parent, >> return ERR_PTR(ret); >> } >> >> + typec_notify_event(TYPEC_ALTMODE_REGISTERED, &alt->adev); >> + >> return &alt->adev; >> } > You need to also send TYPEC_ALTMODE_UNREGISTERED notification in > typec_unregister_altmode(). > Sorry, I left that out. I will fix this in v10. Thank you. -- Best, Chaoyi _______________________________________________ Linux-rockchip mailing list Linux-rockchip@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-rockchip