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From: Konrad Dybcio <konrad.dybcio@linaro.org>
To: Robert Marko <robimarko@gmail.com>,
	agross@kernel.org, andersson@kernel.org, robh+dt@kernel.org,
	krzysztof.kozlowski+dt@linaro.org, conor+dt@kernel.org,
	mturquette@baylibre.com, sboyd@kernel.org,
	linux-arm-msm@vger.kernel.org, devicetree@vger.kernel.org,
	linux-kernel@vger.kernel.org, linux-clk@vger.kernel.org,
	Kathiravan Thirumoorthy <quic_kathirav@quicinc.com>
Subject: Re: [PATCH 2/3] clk: qcom: ipq6018: add USB GDSCs
Date: Mon, 30 Oct 2023 20:37:35 +0100	[thread overview]
Message-ID: <20c8cfde-3f55-45c5-bc23-21979ac9680d@linaro.org> (raw)
In-Reply-To: <CAOX2RU4MBvDZZ767RPS9XKj0U2L3gviVG5cyR8NKyO4LD+sfYQ@mail.gmail.com>

On 29.10.2023 12:04, Robert Marko wrote:
> On Wed, 25 Oct 2023 at 12:45, Robert Marko <robimarko@gmail.com> wrote:
>>
>> IPQ6018 has GDSC-s for each of the USB ports, so lets define them as such
>> and drop the curent code that is de-asserting the USB GDSC-s as part of
>> the GCC probe.
>>
>> Signed-off-by: Robert Marko <robimarko@gmail.com>
> 
> Unfortunately, after testing on multiple devices I hit the same GDSC
> issue I had a long time ago
> that was the reason I did not send this upstream.
> It seems that USB3 port GDSC (USB0 GDSC in code) works just fine,
> however the USB2 one
> (USB1 GDSC in code) it is stuck off and USB2 port will fail due to this:
>     1.607531] ------------[ cut here ]------------
> [    1.607559] usb1_gdsc status stuck at 'off'
> [    1.607592] WARNING: CPU: 0 PID: 35 at gdsc_toggle_logic+0x16c/0x174
> [    1.615120] Modules linked in:
Can you dump GDSCR (the entire 32-bit register) at boot and when toggling?

Konrad

  reply	other threads:[~2023-10-30 19:37 UTC|newest]

Thread overview: 19+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2023-10-25 10:44 [PATCH 1/3] dt-bindings: clock: qcom: ipq6018: add USB GDSCs Robert Marko
2023-10-25 10:44 ` [PATCH 2/3] clk: " Robert Marko
2023-10-26 18:42   ` Konrad Dybcio
2023-10-26 18:45     ` Konrad Dybcio
2023-10-27  8:48       ` Robert Marko
2023-10-29 11:04   ` Robert Marko
2023-10-30 19:37     ` Konrad Dybcio [this message]
2023-10-30 20:37       ` Robert Marko
2023-10-30 21:12         ` Konrad Dybcio
2023-10-31  9:01           ` Robert Marko
2023-11-07 21:51             ` Konrad Dybcio
2023-11-11 11:28               ` Robert Marko
2023-11-13 11:58                 ` Konrad Dybcio
2023-11-13 12:50                   ` Robert Marko
2023-11-15 16:22                     ` Konrad Dybcio
2023-11-28 12:25                       ` Robert Marko
2023-11-01  7:57     ` Kathiravan Thirumoorthy
2023-10-25 10:44 ` [PATCH 3/3] arm64: dts: qcom: ipq6018: add USB power domains Robert Marko
2023-10-25 12:44 ` [PATCH 1/3] dt-bindings: clock: qcom: ipq6018: add USB GDSCs Krzysztof Kozlowski

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