Merge "cnss2: Expose PCIe window register lock related APIs" (8cfb885b) · Commits · e / devices / android_kernel_xiaomi_sm6125

drivers/net/wireless/cnss2/pci.c

+16 −0

Original line number	Diff line number	Diff line
		@@ -61,6 +61,7 @@
		#endif

		static DEFINE_SPINLOCK(pci_link_down_lock);
		static DEFINE_SPINLOCK(pci_reg_window_lock);

		#define MHI_TIMEOUT_OVERWRITE_MS (plat_priv->ctrl_params.mhi_timeout)

		@@ -227,10 +228,13 @@ static int cnss_pci_reg_read(struct cnss_pci_data *pci_priv,
		return 0;
		}

		spin_lock_bh(&pci_reg_window_lock);
		cnss_pci_select_window(pci_priv, offset);

		*val = readl_relaxed(pci_priv->bar + WINDOW_START +
		(offset & WINDOW_RANGE_MASK));
		spin_unlock_bh(&pci_reg_window_lock);

		return 0;
		}

		@@ -482,6 +486,18 @@ int cnss_pci_is_device_down(struct device *dev)
		}
		EXPORT_SYMBOL(cnss_pci_is_device_down);

		void cnss_pci_lock_reg_window(struct device dev, unsigned long flags)
		{
		spin_lock_bh(&pci_reg_window_lock);
		}
		EXPORT_SYMBOL(cnss_pci_lock_reg_window);

		void cnss_pci_unlock_reg_window(struct device dev, unsigned long flags)
		{
		spin_unlock_bh(&pci_reg_window_lock);
		}
		EXPORT_SYMBOL(cnss_pci_unlock_reg_window);

		int cnss_pci_call_driver_probe(struct cnss_pci_data *pci_priv)
		{
		int ret = 0;

+3 −0

Original line number	Diff line number	Diff line
		@@ -216,6 +216,9 @@ extern void cnss_request_pm_qos(struct device *dev, u32 qos_val);
		extern void cnss_remove_pm_qos(struct device *dev);
		extern void cnss_lock_pm_sem(struct device *dev);
		extern void cnss_release_pm_sem(struct device *dev);
		extern void cnss_pci_lock_reg_window(struct device dev, unsigned long flags);
		extern void cnss_pci_unlock_reg_window(struct device *dev,
		unsigned long *flags);
		extern int cnss_wlan_pm_control(struct device *dev, bool vote);
		extern int cnss_auto_suspend(struct device *dev);
		extern int cnss_auto_resume(struct device *dev);