Re: [PATCH 2/3] firmware: qcom: tzmem: disable SHM bridge for SM7125 platform

Bartosz Golaszewski <[email protected]> Fri, 3 Jul 2026 03:22:36 -0500
Newsgroups org.kernel.vger.phone-devel,org.kernel.vger.linux-arm-msm,org.kernel.vger.linux-devicetree,org.kernel.vger.linux-kernel
Message-ID <CAMRc=MdgFa52SLZwmaNNfAvQqfAdJ_6y3k62FoMZ7z8qdzjydw@mail.gmail.com>
On Fri, 3 Jul 2026 09:59:39 +0200, Erikas Bitovtas <[email protected]> said:
> From: Vitalii Skorkin <[email protected]>
>
> Currently SHM bridge causes RCU stalls when booting. Disable it for
> SM7125 until a fix is available.
>
> Signed-off-by: Vitalii Skorkin <[email protected]>
> Signed-off-by: Erikas Bitovtas <[email protected]>
> ---
>  drivers/firmware/qcom/qcom_tzmem.c | 1 +
>  1 file changed, 1 insertion(+)
>
> diff --git a/drivers/firmware/qcom/qcom_tzmem.c b/drivers/firmware/qcom/qcom_tzmem.c
> index 0635cbeacfc8..50f500834758 100644
> --- a/drivers/firmware/qcom/qcom_tzmem.c
> +++ b/drivers/firmware/qcom/qcom_tzmem.c
> @@ -81,6 +81,7 @@ static const char *const qcom_tzmem_blacklist[] = {
>  	"qcom,sc8180x",
>  	"qcom,sdm670", /* failure in GPU firmware loading */
>  	"qcom,sdm845", /* reset in rmtfs memory assignment */
> +	"qcom,sm7125", /* hang in rmtfs memory assignment */
>  	"qcom,sm7150", /* reset in rmtfs memory assignment */
>  	"qcom,sm8150", /* reset in rmtfs memory assignment */
>  	NULL
>
> --
> 2.55.0
>
>

Acked-by: Bartosz Golaszewski <[email protected]>