[PATCH v2] remoteproc: qcom_q6v5_pas: disable auto boot for wpss
Dmitry Baryshkov
dmitry.baryshkov at linaro.org
Fri Oct 18 04:09:24 PDT 2024
On Fri, Oct 18, 2024 at 04:29:11PM +0530, Balaji Pothunoori wrote:
> Currently, the rproc "atomic_t power" variable is incremented during:
> a. WPSS rproc auto boot.
> b. AHB power on for ath11k.
>
> During AHB power off (rmmod ath11k_ahb.ko), rproc_shutdown fails
> to unload the WPSS firmware because the rproc->power value is '2',
> causing the atomic_dec_and_test(&rproc->power) condition to fail.
>
> Consequently, during AHB power on (insmod ath11k_ahb.ko),
> QMI_WLANFW_HOST_CAP_REQ_V01 fails due to the host and firmware QMI
> states being out of sync.
>
> Fixes: 300ed425dfa9 ("remoteproc: qcom_q6v5_pas: Add SC7280 ADSP, CDSP & WPSS")
> Cc: stable at vger.kernel.org
> Signed-off-by: Balaji Pothunoori <quic_bpothuno at quicinc.com>
> ---
> v2: updated commit text.
> added Fixes/cc:stable tags.
>
Reviewed-by: Dmitry Baryshkov <dmitry.baryshkov at linaro.org>
--
With best wishes
Dmitry
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