diff --git a/drivers/net/wireless/ath/ath12k/pci.c b/drivers/net/wireless/ath/ath12k/pci.c index 7dfbabf0637d..62be78de3300 100644 --- a/drivers/net/wireless/ath/ath12k/pci.c +++ b/drivers/net/wireless/ath/ath12k/pci.c @@ -211,6 +211,8 @@ static void ath12k_pci_soc_global_reset(struct ath12k_base *ab) val |= PCIE_SOC_GLOBAL_RESET_V; ath12k_pci_write32(ab, PCIE_SOC_GLOBAL_RESET, val); + /* Flush the posted write to the device */ + ath12k_pci_read32(ab, PCIE_SOC_GLOBAL_RESET); /* TODO: exact time to sleep is uncertain */ delay = 10; @@ -220,6 +222,8 @@ static void ath12k_pci_soc_global_reset(struct ath12k_base *ab) val &= ~PCIE_SOC_GLOBAL_RESET_V; ath12k_pci_write32(ab, PCIE_SOC_GLOBAL_RESET, val); + /* Flush the posted write to the device */ + ath12k_pci_read32(ab, PCIE_SOC_GLOBAL_RESET); mdelay(delay);