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Bug#911443: raspi3-firmware | Add board-specific firmware files for RPi 3B+ WiFi (!1)

Cross-posted to 2 groups.

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Hi Matthias,

> Matthias Luescher <lueschem@gmail.com> hat am 1. Dezember 2018 um 22:38 geschrieben:
> 
> 
> Hi Stefan
> 
> > i want to play safe. Could you please check the Rev of your 3 B board?
> > You can find it on the upside of the PCB below the GPIO pin header (e.g.
> i have Rev 1.2).
> 
> Mine is also a "Raspberry Pi 3 Model B V1.2".
> 
> > Could you please provide a complete dmesg in case wlan0 is absent?
> 
> Here is the dmesg without wlan0:
> https://drive.google.com/open?id=1O-aYZreN_7ziHiVsxMc-zNoMAwKLB-UV
> 
> And here is one with wlan0:
> https://drive.google.com/open?id=1rD2BcEbxjxrpyrXqRglkyS3t1VkCXJ6l

very strange. Only in the case CONFIG_MMC_SDHCI_IPROC=m the power sequence seems to be active:

[    2.244705] sdhci-iproc 3f300000.sdhci: allocated mmc-pwrseq

So after fixing the polarity of the wifi-reset everything works as expected.

- reset-gpios = <&expgpio 1 GPIO_ACTIVE_HIGH>;
+ reset-gpios = <&expgpio 1 GPIO_ACTIVE_LOW>;

I think this should be acceptable as a stable fix for 4.19 LTS.

Stefan

> 
> > Could you please change your config to:
> > CONFIG_MMC_SDHCI_IPROC=y
> 
> This change does indeed make wlan0 appear! Unfortunately this is probably
> not a viable solution for the (generic) arm64 Debian kernel.
> 
> Many thanks already for your great support!
> 
> Best regards
> Matthias

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Bug#911443: linux-image-4.18.0-2-arm64: wlan0 no longer present Göran Weinholt <weinholt@debian.org> - 2018-10-20 11:10 +0200
  Bug#911443: raspi3-firmware | Add board-specific firmware files for RPi 3B+ WiFi (!1) Matthias Luescher <lueschem@gmail.com> - 2018-11-29 22:30 +0100
    Bug#911443: raspi3-firmware | Add board-specific firmware files for RPi 3B+ WiFi (!1) Stefan Wahren <stefan.wahren@i2se.com> - 2018-11-29 23:20 +0100
      Bug#911443: raspi3-firmware | Add board-specific firmware files for RPi 3B+ WiFi (!1) Matthias Luescher <lueschem@gmail.com> - 2018-11-30 22:30 +0100
        Bug#911443: raspi3-firmware | Add board-specific firmware files for RPi 3B+ WiFi (!1) Stefan Wahren <stefan.wahren@i2se.com> - 2018-12-01 02:00 +0100
          Bug#911443: raspi3-firmware | Add board-specific firmware files for RPi 3B+ WiFi (!1) Matthias Luescher <lueschem@gmail.com> - 2018-12-01 22:50 +0100
            Bug#911443: raspi3-firmware | Add board-specific firmware files for RPi 3B+ WiFi (!1) Stefan Wahren <stefan.wahren@i2se.com> - 2018-12-02 20:40 +0100
              Bug#911443: raspi3-firmware | Add board-specific firmware files for RPi 3B+ WiFi (!1) Matthias Luescher <lueschem@gmail.com> - 2018-12-03 09:00 +0100
  Bug#911443: linux-image-4.18.0-2-arm64: wlan0 no longer present Uwe Kleine-König <u.kleine-koenig@pengutronix.de> - 2018-12-18 21:10 +0100
    Bug#856505: Bug#911443: linux-image-4.18.0-2-arm64: wlan0 no longer present Santiago Garcia Mantinan <manty@debian.org> - 2018-12-19 00:00 +0100
      Bug#856505: Bug#911443: linux-image-4.18.0-2-arm64: wlan0 no longer present Uwe Kleine-König <u.kleine-koenig@pengutronix.de> - 2018-12-19 09:20 +0100
        Bug#856505: Bug#911443: linux-image-4.18.0-2-arm64: wlan0 no longer present Stefan Wahren <stefan.wahren@i2se.com> - 2018-12-19 12:10 +0100
          Bug#856505: Bug#911443: linux-image-4.18.0-2-arm64: wlan0 no longer present Uwe Kleine-König <u.kleine-koenig@pengutronix.de> - 2018-12-19 12:30 +0100
            Bug#856505: Bug#911443: linux-image-4.18.0-2-arm64: wlan0 no longer present Santiago Garcia Mantinan <manty@debian.org> - 2018-12-31 00:30 +0100
  Processed: Re: Bug#911443: linux-image-4.18.0-2-arm64: wlan0 no  longer present "Debian Bug Tracking System" <owner@bugs.debian.org> - 2018-12-18 21:10 +0100

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