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Message-ID: <1d0f6a93-18f2-44b5-c99c-1fc1163aa1fa@acm.org>
Date: Tue, 29 Nov 2022 11:23:29 -0800
From: Bart Van Assche <bvanassche@....org>
To: Asutosh Das <quic_asutoshd@...cinc.com>, quic_cang@...cinc.com,
martin.petersen@...cle.com, linux-scsi@...r.kernel.org
Cc: quic_nguyenb@...cinc.com, quic_xiaosenh@...cinc.com,
stanley.chu@...iatek.com, eddie.huang@...iatek.com,
daejun7.park@...sung.com, avri.altman@....com, mani@...nel.org,
beanhuo@...ron.com, linux-arm-msm@...r.kernel.org,
Alim Akhtar <alim.akhtar@...sung.com>,
"James E.J. Bottomley" <jejb@...ux.ibm.com>,
Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>,
Arthur Simchaev <Arthur.Simchaev@....com>,
Jinyoung Choi <j-young.choi@...sung.com>,
Kiwoong Kim <kwmad.kim@...sung.com>,
open list <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH v7 08/16] ufs: core: mcq: Allocate memory for mcq mode
On 11/29/22 10:53, Asutosh Das wrote:
> To read the bqueuedepth, the device descriptor is fetched
> in Single Doorbell Mode. This allocated memory may not be
> enough for MCQ mode because the number of tags supported
> in MCQ mode may be larger than in SDB mode.
> Hence, release the memory allocated in SDB mode and allocate
> memory for MCQ mode operation.
> Define the ufs hardware queue and Completion Queue Entry.
Reviewed-by: Bart Van Assche <bvanassche@....org>
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