From: Ziqi Chen <quic_ziqichen@quicinc.com>
To: Bart Van Assche <bvanassche@acm.org>, Rob Herring <robh@kernel.org>
Cc: <quic_asutoshd@quicinc.com>, <quic_cang@quicinc.com>,
<mani@kernel.org>, <beanhuo@micron.com>, <avri.altman@wdc.com>,
<junwoo80.lee@samsung.com>, <martin.petersen@oracle.com>,
<quic_nguyenb@quicinc.com>, <quic_nitirawa@quicinc.com>,
<quic_rampraka@quicinc.com>, <linux-scsi@vger.kernel.org>,
Alim Akhtar <alim.akhtar@samsung.com>,
Krzysztof Kozlowski <krzysztof.kozlowski+dt@linaro.org>,
Conor Dooley <conor+dt@kernel.org>,
Ulf Hansson <ulf.hansson@linaro.org>,
Wolfram Sang <wsa@kernel.org>, Guenter Roeck <linux@roeck-us.net>,
Miquel Raynal <miquel.raynal@bootlin.com>,
Mark Brown <broonie@kernel.org>,
"open list:OPEN FIRMWARE AND FLATTENED DEVICE TREE BINDINGS"
<devicetree@vger.kernel.org>,
open list <linux-kernel@vger.kernel.org>
Subject: Re: [PATCH] dt-bindings: ufs: Add msi-parent for UFS MCQ
Date: Thu, 9 Nov 2023 18:51:24 +0800 [thread overview]
Message-ID: <887a37d7-a719-ab02-0a60-d9f17c2f37e2@quicinc.com> (raw)
In-Reply-To: <5850d5ac-e735-4358-866d-f410b00ba39d@acm.org>
On 11/7/2023 1:56 AM, Bart Van Assche wrote:
> On 11/6/23 06:48, Rob Herring wrote:
>> On Wed, Nov 01, 2023 at 06:48:13PM +0800, Ziqi Chen wrote:
>>> The Message Signaled Interrupts (MSI) has been introduced
>>> to UFS driver since the MCQ be enabled.
>>
>> Not really relevant when a driver supported MSI, but the when the h/w
>> did. Has UFS always supported MSI? It was added in some version of the
>> spec?
>
> MSI support has been introduced in UFSHCI version 4.0 and I think that
> the controller vendor can decide whether or not to implement MSI. Does
> this mean that the patch needs to be improved?
>
> Thanks,
>
> Bart.
>
Hi Rob, in my previous patch " dt-bindings: ufs: qcom: Add msi-parent
for UFS MCQ", Manivannan Sadhasivam also think instead of
qcom,ufs.yaml, this should be part of ufs-common.yaml.
please let me know if there is any others I need to improve for this
patch. Thanks a lot.
Best Regards,
Ziqi
next prev parent reply other threads:[~2023-11-09 10:52 UTC|newest]
Thread overview: 8+ messages / expand[flat|nested] mbox.gz Atom feed top
2023-11-01 10:48 Ziqi Chen
2023-11-06 14:48 ` Rob Herring
2023-11-06 17:56 ` Bart Van Assche
2023-11-09 10:51 ` Ziqi Chen [this message]
2023-11-09 13:55 ` Rob Herring
2023-11-09 16:16 ` Manivannan Sadhasivam
2023-11-10 5:50 ` Ziqi Chen
2023-11-21 9:26 ` Krzysztof Kozlowski
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