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Commit d88bb962 authored by Yue Ma's avatar Yue Ma
Browse files

cnss2: Bypass firmware download when loading WLAN driver 



Add the module parameter to control whether bypass firmware download
during WLAN driver load or not for QCA6290 chipset. It can give the
flexibility in pre-silicon development that firmware can be loaded
through other methods.

Change-Id: Ibb2fa824d91cbe4e7dea95c5b2a1e293fac64c41
Signed-off-by: default avatarYue Ma <yuem@codeaurora.org>
parent 580e8bd4

drivers/net/wireless/cnss2/main.c

+15 −2
Original line number Diff line number Diff line
@@ -34,6 +34,13 @@ static struct cnss_plat_data *plat_env; 


static DECLARE_RWSEM(cnss_pm_sem);



static bool fbc_bypass;

#ifdef CONFIG_CNSS2_DEBUG

module_param(fbc_bypass, bool, S_IRUSR | S_IWUSR);

MODULE_PARM_DESC(fbc_bypass,

		 "Bypass firmware download when loading WLAN driver");

#endif



static struct cnss_fw_files FW_FILES_QCA6174_FW_3_0 = {

	"qwlan30.bin", "bdwlan30.bin", "otp30.bin", "utf30.bin",

	"utfbd30.bin", "epping30.bin", "evicted30.bin"
@@ -639,12 +646,16 @@ static int cnss_qca6290_powerup(struct cnss_plat_data *plat_priv) 
		goto power_off;

	}



	if (fbc_bypass)

		goto bypass_fbc;



	ret = cnss_pci_start_mhi(pci_priv);

	if (ret) {

		cnss_pr_err("Failed to start MHI, err = %d\n", ret);

		goto suspend_link;

	}



bypass_fbc:

	if (plat_priv->driver_status == CNSS_LOAD_UNLOAD) {

		ret = plat_priv->driver_ops->probe(pci_priv->pci_dev,

						   pci_priv->pci_device_id);
@@ -671,6 +682,7 @@ static int cnss_qca6290_powerup(struct cnss_plat_data *plat_priv) 
	return 0;



stop_mhi:

	if (!fbc_bypass)

		cnss_pci_stop_mhi(pci_priv);

suspend_link:

	cnss_suspend_pci_link(pci_priv);
@@ -701,6 +713,7 @@ static int cnss_qca6290_shutdown(struct cnss_plat_data *plat_priv) 
		plat_priv->driver_ops->shutdown(pci_priv->pci_dev);

	}



	if (!fbc_bypass)

		cnss_pci_stop_mhi(pci_priv);



	ret = cnss_suspend_pci_link(pci_priv);