From: Leonard Lausen <leonard@lausen.nl>
To: Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org>,
catalin.marinas@arm.com, will@kernel.org
Cc: robin.murphy@arm.com, amit.pundir@linaro.org,
andersson@kernel.org, quic_sibis@quicinc.com,
sumit.semwal@linaro.org, linux-arm-kernel@lists.infradead.org,
linux-kernel@vger.kernel.org,
Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org>
Subject: Re: [PATCH] Revert "arm64: dma: Drop cache invalidation from arch_dma_prep_coherent()"
Date: Thu, 08 Dec 2022 04:59:16 +0000 [thread overview]
Message-ID: <868rjijxsr.fsf@lausen.nl> (raw)
In-Reply-To: <20221114110329.68413-1-manivannan.sadhasivam@linaro.org>
Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org> writes:
> This reverts commit c44094eee32f32f175aadc0efcac449d99b1bbf7.
>
> As reported by Amit [1], dropping cache invalidation from
> arch_dma_prep_coherent() triggers a crash on the Qualcomm SM8250 platform
> (most probably on other Qcom platforms too).
On sc7180 with c44094ee applied, it does not trigger crash but makes
Wifi dysfunctional by preventing initialization of ath10k_snoc.
qcom-q6v5-mss 4080000.remoteproc: PBL returned unexpected status -284098560
With the revert of c44094ee, wifi works fine again.
Thank you
Leonard
prev parent reply other threads:[~2022-12-08 5:06 UTC|newest]
Thread overview: 27+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-11-14 11:03 [PATCH] Revert "arm64: dma: Drop cache invalidation from arch_dma_prep_coherent()" Manivannan Sadhasivam
2022-11-14 11:29 ` Manivannan Sadhasivam
2022-11-14 14:11 ` Will Deacon
2022-11-14 15:14 ` Robin Murphy
2022-11-14 17:38 ` Catalin Marinas
2022-11-18 10:54 ` Manivannan Sadhasivam
2022-11-18 12:33 ` Will Deacon
2022-11-21 6:42 ` Manivannan Sadhasivam
2022-11-21 10:12 ` Sibi Sankar
2022-11-24 11:55 ` Catalin Marinas
2022-12-01 9:29 ` Thorsten Leemhuis
2022-12-01 17:45 ` Catalin Marinas
2022-12-02 8:26 ` Amit Pundir
2022-12-02 8:54 ` Thorsten Leemhuis
2022-12-02 10:03 ` Will Deacon
2022-12-02 10:34 ` Thorsten Leemhuis
2022-12-02 16:10 ` Greg KH
2022-12-02 16:27 ` Thorsten Leemhuis
2022-12-02 16:32 ` Greg KH
2022-12-02 17:14 ` Manivannan Sadhasivam
2022-12-05 14:24 ` Will Deacon
2022-12-06 9:21 ` Manivannan Sadhasivam
2022-12-06 9:58 ` Will Deacon
2022-12-02 10:54 ` Manivannan Sadhasivam
2022-11-28 5:44 ` Thorsten Leemhuis
2022-11-28 8:15 ` Manivannan Sadhasivam
2022-12-08 4:59 ` Leonard Lausen [this message]
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