diff options
| author | Janusz Dziedzic | 2024-06-24 16:48:46 +0000 |
|---|---|---|
| committer | Hauke Mehrtens | 2024-09-22 22:34:08 +0000 |
| commit | 935b2b7dcef61b2893ed5dff307dd8f8a1156899 (patch) | |
| tree | 9342ae4cecd3939a9cde39ad3252eb96547a6c30 | |
| parent | 9cdd5ec7fd4c14b6a2854d31311f3014a8ef7be3 (diff) | |
| download | openwrt-935b2b7dcef61b2893ed5dff307dd8f8a1156899.tar.gz | |
mac80211: ath12k: prevent ltssm crash
Fix ltssm crashes on BPI-Rx boards.
Seems read32/write32 using wrong address which
is not a problem on x86/64 PCI controllers.
But have issues on BPI-Rx boards.
Signed-off-by: Janusz Dziedzic <janusz.dziedzic@gmail.com>
Link: https://github.com/openwrt/openwrt/pull/15945
Signed-off-by: Hauke Mehrtens <hauke@hauke-m.de>
| -rw-r--r-- | package/kernel/mac80211/patches/ath12k/100-ath12k-prevent-ltssm-startup-crash.patch | 17 |
1 files changed, 17 insertions, 0 deletions
diff --git a/package/kernel/mac80211/patches/ath12k/100-ath12k-prevent-ltssm-startup-crash.patch b/package/kernel/mac80211/patches/ath12k/100-ath12k-prevent-ltssm-startup-crash.patch new file mode 100644 index 0000000000..cd85a0f6aa --- /dev/null +++ b/package/kernel/mac80211/patches/ath12k/100-ath12k-prevent-ltssm-startup-crash.patch @@ -0,0 +1,17 @@ +Fix ltssm crashes on BPI-Rx boards. +Seems read32/write32 using wrong address which +is not a problem on x86/64 PCI controllers. +But have issues on BPI-Rx boards. + +--- a/drivers/net/wireless/ath/ath12k/pci.c ++++ b/drivers/net/wireless/ath/ath12k/pci.c +@@ -277,6 +277,9 @@ static void ath12k_pci_enable_ltssm(stru + u32 val; + int i; + ++ /* Prevent startup crash on BPI-Rx */ ++ return; ++ + val = ath12k_pci_read32(ab, PCIE_PCIE_PARF_LTSSM); + + /* PCIE link seems very unstable after the Hot Reset*/ |