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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>
18 lines
497 B
Diff
18 lines
497 B
Diff
Fix ltssm crashes on BPI-Rx boards.
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Seems read32/write32 using wrong address which
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is not a problem on x86/64 PCI controllers.
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But have issues on BPI-Rx boards.
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--- a/drivers/net/wireless/ath/ath12k/pci.c
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+++ b/drivers/net/wireless/ath/ath12k/pci.c
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@@ -277,6 +277,9 @@ static void ath12k_pci_enable_ltssm(stru
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u32 val;
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int i;
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+ /* Prevent startup crash on BPI-Rx */
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+ return;
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+
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val = ath12k_pci_read32(ab, PCIE_PCIE_PARF_LTSSM);
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/* PCIE link seems very unstable after the Hot Reset*/
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