linux-kernel - Re: [PATCH v4 RESEND 3/3] soc: qcom: preserve CPU endianness for QMI_DATA

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Message-ID: <mlvbcfwldtsivl5ioko64velaz2npixwaf4qukrji36alatqcl@bxv4fmrv2qyh>
Date: Wed, 19 Nov 2025 11:06:41 +0200
From: Dmitry Baryshkov <dmitry.baryshkov@....qualcomm.com>
To: Alexander Wilhelm <alexander.wilhelm@...termo.com>
Cc: Bjorn Andersson <andersson@...nel.org>,
        Konrad Dybcio <konradybcio@...nel.org>, linux-arm-msm@...r.kernel.org,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCH v4 RESEND 3/3] soc: qcom: preserve CPU endianness for
 QMI_DATA_LEN

On Tue, Nov 18, 2025 at 07:53:41AM +0100, Alexander Wilhelm wrote:
> To ensure correct handling of endianness in the QMI subsystem, the
> QMI_DATA_LEN field used in host-side drivers remains in CPU-native byte
> order. Remove unnecessary endianness conversions, considering that
> QMI_DATA_LEN is always of type `u32` on the host. On the QMI wire
> interface, however, its representation is variable and may use either 1 or
> 2 bytes.
> 
> Signed-off-by: Alexander Wilhelm <alexander.wilhelm@...termo.com>
> ---
>  drivers/soc/qcom/qmi_encdec.c | 11 ++++-------
>  1 file changed, 4 insertions(+), 7 deletions(-)
> 

Reviewed-by: Dmitry Baryshkov <dmitry.baryshkov@....qualcomm.com>


-- 
With best wishes
Dmitry