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Mail-Reply-To: bbhatt@codeaurora.org In-Reply-To: <87r1i1h9an.fsf@codeaurora.org> References: <87v97dhh2u.fsf@codeaurora.org> <20210520104313.GA128703@thinkpad> <87r1i1h9an.fsf@codeaurora.org> Message-ID: <3e8bac3b02e3549a55b7c9b78b699965@codeaurora.org> X-Sender: bbhatt@codeaurora.org User-Agent: Roundcube Webmail/1.3.9 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20210520_103844_249875_FE6A4E1B X-CRM114-Status: GOOD ( 21.39 ) X-BeenThere: ath11k@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Reply-To: bbhatt@codeaurora.org Content-Transfer-Encoding: 7bit Content-Type: text/plain; charset="us-ascii"; Format="flowed" Sender: "ath11k" Errors-To: ath11k-bounces+ath11k=archiver.kernel.org@lists.infradead.org On 2021-05-20 05:36 AM, Kalle Valo wrote: > Manivannan Sadhasivam writes: > >> On Thu, May 20, 2021 at 12:02:40PM +0200, Greg KH wrote: >>> On Thu, May 20, 2021 at 12:47:53PM +0300, Kalle Valo wrote: >>> > Hi, >>> > >>> > I got several reports that this mhi commit broke ath11k in v5.12.3: >>> > >>> > commit 29b9829718c5e9bd68fc1c652f5e0ba9b9a64fed >>> > Author: Bhaumik Bhatt >>> > Date: Wed Feb 24 15:23:04 2021 -0800 >>> > >>> > bus: mhi: core: Process execution environment changes serially >>> > >>> > [ Upstream commit ef2126c4e2ea2b92f543fae00a2a0332e4573c48 ] >>> > >>> > Here are the reports: >>> > >>> > https://bugzilla.kernel.org/show_bug.cgi?id=213055 >>> > >>> > https://bugzilla.kernel.org/show_bug.cgi?id=212187 >>> > >>> > https://bugs.archlinux.org/task/70849?project=1&string=linux >>> > >>> > Interestingly v5.13-rc1 seems to work fine, at least for me, though I >>> > have not tested v5.12.3 myself. Can someone revert this commit in the >>> > stable release so that people get their wifi working again, please? >>> >>> How does the mhi bus code relate to a ath11k driver? What bus is >>> that >>> on? >>> >> >> MHI is the transport used by the ath11k driver to work with the WLAN >> devices >> over PCIe. >> >> Regarding the bug, I'd suggest to wait for Bhaumik (the author of >> 29b9829718c5) >> to comment on the possible commit which needs backporting from >> mainline. > > Ok, but if a quick fix is not available I think we should just revert > this in the stable releases. I also got a report that v5.11.21 is > broken: > > https://bugzilla.kernel.org/show_bug.cgi?id=213055#c11 Please pick [1] as the dependency to [ Upstream commit ef2126c4e2ea2b92f543fae00a2a0332e4573c48 ]. That is missing in older kernels and did not get backported. This explains why 5.13.x works. Thanks, Bhaumik --- The Qualcomm Innovation Center, Inc. is a member of the Code Aurora Forum, a Linux Foundation Collaborative Project [1] https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/drivers/bus/mhi/core?h=v5.13-rc2&id=4884362f6977fc05cbec736625665241c0e0732f -- ath11k mailing list ath11k@lists.infradead.org http://lists.infradead.org/mailman/listinfo/ath11k