From: Bryan O'Donoghue <bryan.odonoghue@linaro.org>
To: Jack Pham <jackp@codeaurora.org>
Cc: linux-arm-msm@vger.kernel.org, linux-usb@vger.kernel.org,
gregkh@linuxfoundation.org, balbi@kernel.org,
bjorn.andersson@linaro.org, robh@kernel.org,
linux-kernel@vger.kernel.org, Andy Gross <agross@kernel.org>,
Lee Jones <lee.jones@linaro.org>,
Philipp Zabel <p.zabel@pengutronix.de>
Subject: Re: [PATCH v5 11/18] usb: dwc3: Add support for a role-switch notifier
Date: Sat, 8 Feb 2020 00:28:33 +0000 [thread overview]
Message-ID: <9e653a9a-2fc4-645c-ac33-d9826a7ecbd9@linaro.org> (raw)
In-Reply-To: <20200208001520.GB18464@jackp-linux.qualcomm.com>
On 08/02/2020 00:15, Jack Pham wrote:
> Hi Bryan,
>
> On Fri, Feb 07, 2020 at 08:16:47PM +0000, Bryan O'Donoghue wrote:
>> Role-switching is a 1:1 mapping between a producer and a consumer. For DWC3
>> we have some vendor specific wrappers, notably the qcom wrapper that want
>> to toggle some PHY related bits on a USB role switch.
>>
>> This patch adds a role-switch notifier to the dwc3 drd code. When the USB
>> role-switch set() routine runs, the notifier will fire passing the notified
>> mode to the consumer, thus allowing vendor specific fix-ups to toggle from
>> the role-switching events.
>
> Neat! This could work. But let's see if Felipe likes this approach.
>
> If you need, here's a
>
> Reviewed-by: Jack Pham <jackp@codeaurora.org>
Appreciated
next prev parent reply other threads:[~2020-02-08 0:28 UTC|newest]
Thread overview: 24+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-02-07 20:16 [PATCH v5 00/18] Enable Qualcomm QCS 404 HS/SS USB Bryan O'Donoghue
2020-02-07 20:16 ` [PATCH v5 01/18] dt-bindings: phy: remove qcom-dwc3-usb-phy Bryan O'Donoghue
2020-02-07 20:16 ` [PATCH v5 02/18] dt-bindings: phy: Add Qualcomm Synopsys Hi-Speed USB PHY binding Bryan O'Donoghue
2020-02-07 20:16 ` [PATCH v5 03/18] phy: qualcomm: Add Synopsys 28nm Hi-Speed USB PHY driver Bryan O'Donoghue
2020-02-07 20:16 ` [PATCH v5 04/18] dt-bindings: Add Qualcomm USB SuperSpeed PHY bindings Bryan O'Donoghue
2020-02-07 20:16 ` [PATCH v5 05/18] phy: qualcomm: usb: Add SuperSpeed PHY driver Bryan O'Donoghue
2020-02-07 20:16 ` [PATCH v5 06/18] usb: dwc3: Registering a role switch in the DRD code Bryan O'Donoghue
2020-02-07 20:16 ` [PATCH v5 07/18] dt-bindings: usb: dwc3: Add a gpio-usb-connector example Bryan O'Donoghue
2020-02-07 20:16 ` [PATCH v5 08/18] dt-bindings: usb: dwc3: Add a usb-role-switch to the example Bryan O'Donoghue
2020-02-07 20:16 ` [PATCH v5 09/18] usb: dwc3: qcom: Add support for usb-conn-gpio connectors Bryan O'Donoghue
2020-02-07 20:43 ` Jack Pham
2020-02-07 21:24 ` Bryan O'Donoghue
2020-02-07 20:16 ` [PATCH v5 10/18] usb: dwc3: " Bryan O'Donoghue
2020-02-07 23:49 ` Bryan O'Donoghue
2020-02-07 20:16 ` [PATCH v5 11/18] usb: dwc3: Add support for a role-switch notifier Bryan O'Donoghue
2020-02-08 0:15 ` Jack Pham
2020-02-08 0:28 ` Bryan O'Donoghue [this message]
2020-02-07 20:16 ` [PATCH v5 12/18] usb: dwc3: qcom: Enable gpio-usb-conn based role-switching Bryan O'Donoghue
2020-02-07 20:16 ` [PATCH v5 13/18] arm64: dts: qcom: qcs404: Add USB devices and PHYs Bryan O'Donoghue
2020-02-07 20:16 ` [PATCH v5 14/18] arm64: dts: qcom: qcs404-evb: Define VBUS pins Bryan O'Donoghue
2020-02-07 20:16 ` [PATCH v5 15/18] arm64: dts: qcom: qcs404-evb: Define USB ID pin Bryan O'Donoghue
2020-02-07 20:16 ` [PATCH v5 16/18] arm64: dts: qcom: qcs404-evb: Describe external VBUS regulator Bryan O'Donoghue
2020-02-07 20:16 ` [PATCH v5 17/18] arm64: dts: qcom: qcs404-evb: Raise vreg_l12_3p3 minimum voltage Bryan O'Donoghue
2020-02-07 20:16 ` [PATCH v5 18/18] arm64: dts: qcom: qcs404-evb: Enable USB controllers Bryan O'Donoghue
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