diff options
| -rw-r--r-- | target/linux/ar71xx/patches-4.14/955-qca953x-fix-potential-missing-irq-dispatch.patch | 27 |
1 files changed, 27 insertions, 0 deletions
diff --git a/target/linux/ar71xx/patches-4.14/955-qca953x-fix-potential-missing-irq-dispatch.patch b/target/linux/ar71xx/patches-4.14/955-qca953x-fix-potential-missing-irq-dispatch.patch new file mode 100644 index 0000000000..5174029989 --- /dev/null +++ b/target/linux/ar71xx/patches-4.14/955-qca953x-fix-potential-missing-irq-dispatch.patch @@ -0,0 +1,27 @@ +--- a/arch/mips/ath79/irq.c ++++ b/arch/mips/ath79/irq.c +@@ -69,15 +69,21 @@ static void qca953x_ip2_irq_dispatch(str + u32 status; + + status = ath79_reset_rr(QCA953X_RESET_REG_PCIE_WMAC_INT_STATUS); ++ status &= QCA953X_PCIE_WMAC_INT_PCIE_ALL | QCA953X_PCIE_WMAC_INT_WMAC_ALL; ++ ++ if (status == 0) { ++ spurious_interrupt(); ++ return; ++ } + + if (status & QCA953X_PCIE_WMAC_INT_PCIE_ALL) { + ath79_ddr_wb_flush(3); + generic_handle_irq(ATH79_IP2_IRQ(0)); +- } else if (status & QCA953X_PCIE_WMAC_INT_WMAC_ALL) { ++ } ++ ++ if (status & QCA953X_PCIE_WMAC_INT_WMAC_ALL) { + ath79_ddr_wb_flush(4); + generic_handle_irq(ATH79_IP2_IRQ(1)); +- } else { +- spurious_interrupt(); + } + } + |