From: Vinod Koul <vkoul@kernel.org>
To: Kathiravan Thirumoorthy <kathiravan.thirumoorthy@oss.qualcomm.com>
Cc: Kishon Vijay Abraham I <kishon@kernel.org>,
Varadarajan Narayanan <quic_varada@quicinc.com>,
Dmitry Baryshkov <lumag@kernel.org>,
linux-arm-msm@vger.kernel.org, linux-phy@lists.infradead.org,
linux-kernel@vger.kernel.org
Subject: Re: [PATCH] phy: qcom-qusb2: Update the phy settings for IPQ5424
Date: Fri, 11 Apr 2025 17:05:26 +0530 [thread overview]
Message-ID: <Z/j+fs6hCVhGKLcH@vaman> (raw)
In-Reply-To: <734cf70a-1d96-4a87-bc7e-c070c1e7dc8c@oss.qualcomm.com>
On 11-04-25, 14:29, Kathiravan Thirumoorthy wrote:
>
> On 4/11/2025 12:34 PM, Vinod Koul wrote:
> > On 07-04-25, 19:51, Kathiravan Thirumoorthy wrote:
> > > Update the phy settings for IPQ5424 to meet compliance requirements.
> > Can you specify which requirements are these?
>
> The eye diagram (Host High-speed Signal Quality) tests are failed with the
> current settings. So design team asked to revert.
That would be good to mention in changelog.. am sure you wont recall 6
months down the line, which requirement this triggered the change!
> > > The current settings do not meet the requirements, and the design team
> > > has requested to use the settings used for IPQ6018.
> > >
> > > Revert the commit 9c56a1de296e ("phy: qcom-qusb2: add QUSB2 support for
> > > IPQ5424") and reuse the IPQ6018 settings.
> > Why not do revert first and then add the settings?
>
>
> I thought of submitting it separately. But what-if only the first patch
> merged and second one didn't due to some issue, it will break the USB
> feature. So, I thought it would be better to keep it in single commit.
> Please let me know, I can send V2 with 2 patches with the merging strategy
> (both patches should go together to avoid the USB breakage) in cover letter.
Series is applied together and you can mention the dependency on cover
letter
--
~Vinod
next prev parent reply other threads:[~2025-04-11 11:35 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2025-04-07 14:21 [PATCH] phy: qcom-qusb2: Update the phy settings for IPQ5424 Kathiravan Thirumoorthy
2025-04-08 12:10 ` Dmitry Baryshkov
2025-04-11 7:04 ` Vinod Koul
2025-04-11 8:59 ` Kathiravan Thirumoorthy
2025-04-11 11:35 ` Vinod Koul [this message]
2025-04-11 12:56 ` Kathiravan Thirumoorthy
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