openwrt/package/kernel/mac80211/patches/ath12k/100-ath12k-prevent-ltssm-st...

18 lines
497 B
Diff

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*/