Hi, > Ioan-Adrian Ratiu <adi@xxxxxxxxxx> hat am 28. Januar 2019 um 19:31 geschrieben: > > > Hi Stefan and thank you for looking into this, > > On Sun, 27 Jan 2019, Stefan Wahren <stefan.wahren@xxxxxxxx> wrote: > > Hi Ioan-Adrian, > > > >> Ioan-Adrian Ratiu <adi@xxxxxxxxxx> hat am 27. Januar 2019 um > >> 21:28 geschrieben: This reverts commit > >> bea8a160c621d19f7f78b13e14e03f4b8e44cd4b. Contrary to what > >> the commit message says, on my rpi 3 b v1.2 changing the > >> polarity causes the exact behaviour this commit intends to fix, > >> as described at the referenced link below (wlan0 disapears). > >> With reset-gpios = ... GPIO_ACTIVE_HIGH, brcmfmac errors in > >> dmesg: [ 7.977512] brcmfmac: brcmf_sdio_bus_sleep: error > >> while changing bus sleep state -110 [ 7.977623] brcmfmac: > >> brcmf_sdio_txfail: sdio error, abort command and terminate > >> frame [ 7.978007] brcmfmac: brcmf_sdio_txfail: sdio error, > >> abort command and terminate frame [ 7.978377] brcmfmac: > >> brcmf_sdio_txfail: sdio error, abort command and terminate > >> frame [ 7.978724] brcmfmac: brcmf_sdio_dpc: failed backplane > >> access over SDIO, halting operation [ 7.978734] brcmfmac: > >> brcmf_proto_bcdc_query_dcmd: brcmf_proto_bcdc_msg failed > >> w/status -110 [ 7.978747] brcmfmac: > >> brcmf_cfg80211_get_channel: chanspec failed (-110) [ > >> 7.982817] brcmfmac: brcmf_sdio_bus_sleep: error while changing > >> bus sleep state -110 [ 7.982880] brcmfmac: > >> brcmf_sdio_txfail: sdio error, abort command and terminate > >> frame [ 7.983255] brcmfmac: brcmf_sdio_txfail: sdio error, > >> abort command and terminate frame The only solution I > >> currently have is to revert and everything works as expected > >> and as before changing the polarity. Link: > >> https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=911443 > >> Signed-off-by: Ioan-Adrian Ratiu <adi@xxxxxxxxxx> --- > > > > reverting this commit will only workaround the real issue. It > > lies in the sdhci-iproc driver. > > > > Could please try this instead patch [1]? > > Yes, the patch fixes the bug and it's also in Linus' master branch > in v5.0-rc3 as commit 2bd44da ("mmc: sdhci-iproc: handle > mmc_of_parse() errors during prob"). > > There was just a minor conflict cherry-picking it to 4.19.y > (sdhci_get_property -> sdhci_get_of_property). > > I would really like to have 2bd44da backported to the 4.19 stable > tree to have wifi working again. Please? > > Tested-by: Ioan-Adrian Ratiu <adi@xxxxxxxxxx> #4.19.18 i wasn't aware of this conflict until sunday. Yes, i will backport it. Thanks Stefan > > > > > [1] - https://patchwork.kernel.org/patch/10741809/