ath9k: Enable extended synch for AR9485 to fix L0s recovery issue (8060e169) · Commits · 戴 / test

drivers/net/wireless/ath/ath.h

+1 −0

Original line number	Diff line number	Diff line
		@@ -131,6 +131,7 @@ struct ath_bus_ops {
		void (read_cachesize)(struct ath_common common, int *csz);
		bool (eeprom_read)(struct ath_common common, u32 off, u16 *data);
		void (bt_coex_prep)(struct ath_common common);
		void (extn_synch_en)(struct ath_common common);
		};

		struct ath_common {

+5 −0

Original line number	Diff line number	Diff line
		@@ -1971,6 +1971,11 @@ int ath9k_hw_fill_cap_info(struct ath_hw *ah)



		if (AR_SREV_9485_10(ah)) {
		pCap->pcie_lcr_extsync_en = true;
		pCap->pcie_lcr_offset = 0x80;
		}

		return 0;
		}

+2 −0

+3 −0

Original line number	Diff line number	Diff line
		@@ -1179,6 +1179,9 @@ static int ath9k_start(struct ieee80211_hw *hw)

		pm_qos_update_request(&sc->pm_qos_req, 55);

		if (ah->caps.pcie_lcr_extsync_en && common->bus_ops->extn_synch_en)
		common->bus_ops->extn_synch_en(common);

		mutex_unlock:
		mutex_unlock(&sc->mutex);

+12 −0

Original line number	Diff line number	Diff line
		@@ -103,11 +103,23 @@ static void ath_pci_bt_coex_prep(struct ath_common *common)
		pci_write_config_byte(pdev, ATH_PCIE_CAP_LINK_CTRL, aspm);
		}

		static void ath_pci_extn_synch_enable(struct ath_common *common)
		{
		struct ath_softc sc = (struct ath_softc ) common->priv;
		struct pci_dev *pdev = to_pci_dev(sc->dev);
		u8 lnkctl;

		pci_read_config_byte(pdev, sc->sc_ah->caps.pcie_lcr_offset, &lnkctl);
		lnkctl \|= PCI_EXP_LNKCTL_ES;
		pci_write_config_byte(pdev, sc->sc_ah->caps.pcie_lcr_offset, lnkctl);
		}

		static const struct ath_bus_ops ath_pci_bus_ops = {
		.ath_bus_type = ATH_PCI,
		.read_cachesize = ath_pci_read_cachesize,
		.eeprom_read = ath_pci_eeprom_read,
		.bt_coex_prep = ath_pci_bt_coex_prep,
		.extn_synch_en = ath_pci_extn_synch_enable,
		};

		static int ath_pci_probe(struct pci_dev pdev, const struct pci_device_id id)