linux-kernel - Re: [PATCH v4] mmc: sdhci-msm: Enable ICE support for non-cmdq eMMC devices

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Message-ID: <272f7c21-16d0-25db-4d09-51a987945c3e@quicinc.com>
Date: Thu, 13 Nov 2025 11:21:24 +0530
From: Md Sadre Alam <quic_mdalam@...cinc.com>
To: Ulf Hansson <ulf.hansson@...aro.org>, Eric Biggers <ebiggers@...gle.com>,
        Abel Vesa <abel.vesa@...aro.org>
CC: <adrian.hunter@...el.com>, <linux-mmc@...r.kernel.org>,
        <linux-arm-msm@...r.kernel.org>, <linux-kernel@...r.kernel.org>,
        <quic_varada@...cinc.com>
Subject: Re: [PATCH v4] mmc: sdhci-msm: Enable ICE support for non-cmdq eMMC
 devices

Hi,

On 11/11/2025 11:02 PM, Ulf Hansson wrote:
> + Eric, Abel
> 
> On Tue, 11 Nov 2025 at 11:46, Md Sadre Alam <quic_mdalam@...cinc.com> wrote:
>>
>> Enable Inline Crypto Engine (ICE) support for eMMC devices that operate
>> without Command Queue Engine (CQE).This allows hardware-accelerated
>> encryption and decryption for standard (non-CMDQ) requests.
>>
>> This patch:
>> - Adds ICE register definitions for non-CMDQ crypto configuration
>> - Implements a per-request crypto setup via sdhci_msm_ice_cfg()
>> - Hooks into the request path via mmc_host_ops.request
>>
>> With this, non-CMDQ eMMC devices can benefit from inline encryption,
>> improving performance for encrypted I/O while maintaining compatibility
>> with existing CQE crypto support.
>>
>> Signed-off-by: Md Sadre Alam <quic_mdalam@...cinc.com>
>> Acked-by: Adrian Hunter <adrian.hunter@...el.com>
> 
> Please add Eric/Abel for any future submission of the patch as it's
> for ICE. I don't feel completely confident to apply this without some
> of their acks.
Thank you for the guidance. I completely understand your concern and 
will make sure to include Eric and Abel in any future submissions 
related to ICE.

Thanks,
Alam.