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| author | Peter Robinson <pbrobinson@gmail.com> | 2018-12-14 01:39:12 +0000 |
|---|---|---|
| committer | Peter Robinson <pbrobinson@gmail.com> | 2018-12-14 01:39:21 +0000 |
| commit | f598488a794fa29f732679d880d7b7d45512afc8 (patch) | |
| tree | 7988626f0ad0eb8f1ce9ff0df718d644aae13884 | |
| parent | ec70897be411addebbe9dd1f514ef2dd67d95a8d (diff) | |
| download | kernel-f598488a794fa29f732679d880d7b7d45512afc8.tar.gz kernel-f598488a794fa29f732679d880d7b7d45512afc8.tar.xz kernel-f598488a794fa29f732679d880d7b7d45512afc8.zip | |
Fix Raspberry Pi issues affecting WiFi (rhbz 1652093). Here's hoping it's fixed!! :-/
| -rw-r--r-- | bcm2837-fix-wifi-gpio-polarity.patch | 51 | ||||
| -rw-r--r-- | kernel.spec | 8 |
2 files changed, 58 insertions, 1 deletions
diff --git a/bcm2837-fix-wifi-gpio-polarity.patch b/bcm2837-fix-wifi-gpio-polarity.patch new file mode 100644 index 000000000..96055f78a --- /dev/null +++ b/bcm2837-fix-wifi-gpio-polarity.patch @@ -0,0 +1,51 @@ +From e25b6783c7b1bb79103d4617336879423f86b05e Mon Sep 17 00:00:00 2001 +From: Stefan Wahren <stefan.wahren@i2se.com> +Date: Mon, 3 Dec 2018 19:37:08 +0100 +Subject: ARM: dts: bcm2837: Fix polarity of wifi reset GPIOs + +The commit b1b8f45b3130 ("ARM: dts: bcm2837: Add missing GPIOs of Expander") +introduced a wifi power sequence. Unfortunately the polarity of the reset +GPIOs were wrong and broke the wifi support on Raspberry Pi 3 B and +later in 3 B+. This wasn't discovered before since the power sequence +takes only effect in case the relevant MMC driver is compiled as a module. + +Fixes: b1b8f45b3130 ("ARM: dts: bcm2837: Add missing GPIOs of Expander") +Cc: stable@vger.kernel.org +Reported-by: Matthias Lueschner <lueschem@gmail.com> +Link: https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=911443 +Signed-off-by: Stefan Wahren <stefan.wahren@i2se.com> +Reviewed-by: Eric Anholt <eric@anholt.net> +Signed-off-by: Florian Fainelli <f.fainelli@gmail.com> +--- + arch/arm/boot/dts/bcm2837-rpi-3-b-plus.dts | 2 +- + arch/arm/boot/dts/bcm2837-rpi-3-b.dts | 2 +- + 2 files changed, 2 insertions(+), 2 deletions(-) + +diff --git a/arch/arm/boot/dts/bcm2837-rpi-3-b-plus.dts b/arch/arm/boot/dts/bcm2837-rpi-3-b-plus.dts +index 4adb85e66be3..93762244be7f 100644 +--- a/arch/arm/boot/dts/bcm2837-rpi-3-b-plus.dts ++++ b/arch/arm/boot/dts/bcm2837-rpi-3-b-plus.dts +@@ -31,7 +31,7 @@ + + wifi_pwrseq: wifi-pwrseq { + compatible = "mmc-pwrseq-simple"; +- reset-gpios = <&expgpio 1 GPIO_ACTIVE_HIGH>; ++ reset-gpios = <&expgpio 1 GPIO_ACTIVE_LOW>; + }; + }; + +diff --git a/arch/arm/boot/dts/bcm2837-rpi-3-b.dts b/arch/arm/boot/dts/bcm2837-rpi-3-b.dts +index c318bcbc6ba7..89e6fd547c75 100644 +--- a/arch/arm/boot/dts/bcm2837-rpi-3-b.dts ++++ b/arch/arm/boot/dts/bcm2837-rpi-3-b.dts +@@ -26,7 +26,7 @@ + + wifi_pwrseq: wifi-pwrseq { + compatible = "mmc-pwrseq-simple"; +- reset-gpios = <&expgpio 1 GPIO_ACTIVE_HIGH>; ++ reset-gpios = <&expgpio 1 GPIO_ACTIVE_LOW>; + }; + }; + +-- +cgit 1.2-0.3.lf.el7 diff --git a/kernel.spec b/kernel.spec index e7ef1aab6..9caf493ea 100644 --- a/kernel.spec +++ b/kernel.spec @@ -42,7 +42,7 @@ Summary: The Linux kernel # For non-released -rc kernels, this will be appended after the rcX and # gitX tags, so a 3 here would become part of release "0.rcX.gitX.3" # -%global baserelease 300 +%global baserelease 301 %global fedora_build %{baserelease} # base_sublevel is the kernel version we're starting with and patching @@ -601,6 +601,9 @@ Patch333: hwmon-rpi-Fix-initial-notify.patch # From 4.20, fix eth link/act lights on 3B+ Patch334: bcm2837-fix-eth-leds.patch +# From 4.20, fix wifi gpio polarity +Patch335: bcm2837-fix-wifi-gpio-polarity.patch + # Patches enabling device specific brcm firmware nvram # https://www.spinics.net/lists/linux-wireless/msg178827.html Patch340: brcmfmac-Remove-firmware-loading-code-duplication.patch @@ -1896,6 +1899,9 @@ fi # # %changelog +* Fri Dec 14 2018 Peter Robinson <pbrobinson@fedoraproject.org> 4.19.9-301 +- Fix Raspberry Pi issues affecting WiFi (rhbz 1652093) + * Thu Dec 13 2018 Jeremy Cline <jcline@redhat.com> - 4.19.9-300 - Linux v4.19.9 |