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Commit 453d9939 authored by Yue Ma's avatar Yue Ma
Browse files

cnss2: Add module parameter for MHI timeout 



Add a module parameter for MHI timeout which is only enabled in debug
builds to overwrite the default one from device tree. Also set it to
longer time for emulation setup.

Change-Id: I8d02c16d02f1e2e62027fd32545229717699f3ca
Signed-off-by: default avatarYue Ma <yuem@codeaurora.org>
parent 96cd6e3b

drivers/net/wireless/cnss2/pci.c

+18 −0
Original line number Diff line number Diff line
@@ -70,6 +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;
@@ -2116,6 +2131,9 @@ 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;