From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id BD662C3A5A7 for ; Thu, 8 Dec 2022 05:01:22 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender: Content-Transfer-Encoding:Content-Type:List-Subscribe:List-Help:List-Post: List-Archive:List-Unsubscribe:List-Id:MIME-Version:Message-ID:Date:References :In-Reply-To:Subject:Cc:To:From:Reply-To:Content-ID:Content-Description: Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID: List-Owner; bh=/QbM5U65/3WTB50joIbXFvijLohK2kpa3L+KRg0KOgA=; b=cWLGLh0EgbUYqy m3N4dB9wadpSvsA64VuIn02CIUZMXY5ZmiyT26Xzv8lOPqWVJ70xrbDmuxMFrNmOwZMXuZ0XQS8kz Ld+jK+cxeMBcQQsFtN+vDDYfDWdlQ/JbPg4X2x5rdwxGf8qnor8X2JZEnYbBNwKcJ8PR3wBarrNKg msCBHDBXkxIbPwi8qnx8nWlCTQh0OYbpO7xn3qpxL8pEg1m77wY3X6EkgQ7BhsFaXGXm6pf/u57XJ x64icn52m0kr7Rv2/peMTxDRxKl42fP+It6ZKT4SESY6IwUYw46Zsr53n0WKeHxnR8Te84nEfQg3+ 2n63vuCzbsmn7Gmp1zpg==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.94.2 #2 (Red Hat Linux)) id 1p390n-001w4E-IA; Thu, 08 Dec 2022 04:59:57 +0000 Received: from devico.uberspace.de ([185.26.156.185]) by bombadil.infradead.org with esmtps (Exim 4.94.2 #2 (Red Hat Linux)) id 1p390f-001vrq-NP for linux-arm-kernel@lists.infradead.org; Thu, 08 Dec 2022 04:59:55 +0000 Received: (qmail 23370 invoked by uid 990); 8 Dec 2022 04:59:37 -0000 Authentication-Results: devico.uberspace.de; auth=pass (plain) From: Leonard Lausen To: Manivannan Sadhasivam , 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 Subject: Re: [PATCH] Revert "arm64: dma: Drop cache invalidation from arch_dma_prep_coherent()" In-Reply-To: <20221114110329.68413-1-manivannan.sadhasivam@linaro.org> References: <20221114110329.68413-1-manivannan.sadhasivam@linaro.org> Date: Thu, 08 Dec 2022 04:59:16 +0000 Message-ID: <868rjijxsr.fsf@lausen.nl> MIME-Version: 1.0 X-Rspamd-Bar: - X-Rspamd-Report: BAYES_HAM(-1.364397) MIME_GOOD(-0.1) X-Rspamd-Score: -1.464397 Received: from unknown (HELO unkown) (::1) by devico.uberspace.de (Haraka/2.8.28) with ESMTPSA; Thu, 08 Dec 2022 05:59:36 +0100 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20221207_205951_872389_F3C989F8 X-CRM114-Status: UNSURE ( 3.63 ) X-CRM114-Notice: Please train this message. X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org Manivannan Sadhasivam 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 _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel