Merge "cnss2: Add module parameter for MHI timeout" (1a74dcbe) · Commits · e / devices / android_kernel_xiaomi_nabu

drivers/net/wireless/cnss2/pci.c

+26 −0

Original line number	Diff line number	Diff line
		@@ -50,6 +50,12 @@

		#define FW_ASSERT_TIMEOUT 5000

		#ifdef CONFIG_CNSS_EMULATION
		#define EMULATION_HW 1
		#else
		#define EMULATION_HW 0
		#endif

		static DEFINE_SPINLOCK(pci_link_down_lock);

		static unsigned int pci_link_down_panic;
		@@ -64,6 +70,21 @@ MODULE_PARM_DESC(fbc_bypass,
		"Bypass firmware download when loading WLAN driver");
		#endif

		#ifdef CONFIG_CNSS2_DEBUG
		#ifdef CONFIG_CNSS_EMULATION
		static unsigned int mhi_timeout = 90000;
		#else
		static unsigned int mhi_timeout;
		#endif
		module_param(mhi_timeout, uint, 0600);
		MODULE_PARM_DESC(mhi_timeout,
		"Timeout for MHI operation in milliseconds");

		#define MHI_TIMEOUT_OVERWRITE_MS mhi_timeout
		#else
		#define MHI_TIMEOUT_OVERWRITE_MS 0
		#endif

		static int cnss_set_pci_config_space(struct cnss_pci_data *pci_priv, bool save)
		{
		struct pci_dev *pci_dev = pci_priv->pci_dev;
		@@ -2106,6 +2127,9 @@ int cnss_pci_start_mhi(struct cnss_pci_data *pci_priv)
		if (fbc_bypass)
		return 0;

		if (MHI_TIMEOUT_OVERWRITE_MS)
		pci_priv->mhi_ctrl->timeout_ms = MHI_TIMEOUT_OVERWRITE_MS;

		ret = cnss_pci_set_mhi_state(pci_priv, CNSS_MHI_INIT);
		if (ret)
		goto out;
		@@ -2248,6 +2272,8 @@ static int cnss_pci_probe(struct pci_dev *pci_dev,
		cnss_pci_disable_msi(pci_priv);
		goto disable_bus;
		}
		if (EMULATION_HW)
		break;
		ret = cnss_suspend_pci_link(pci_priv);
		if (ret)
		cnss_pr_err("Failed to suspend PCI link, err = %d\n",