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Commit 7a316e9a authored by Komal Seelam's avatar Komal Seelam
Browse files

cnss: Toggle PCIe EP WLAN_EN on dual-wifi platforms 



On support of sdio runtime enumeration, allow toggling pcie ep wlan_en.
This helps save power on dual-wifi attachments.

CRs-Fixed: 1046397
Change-Id: Id94e6a3e8a883d46cb898c8d7c32b616b995c828
Signed-off-by: default avatarKomal Seelam <kseelam@codeaurora.org>
parent d5fa91ad

drivers/net/wireless/cnss/cnss_pci.c

+4 −13
Original line number Diff line number Diff line
@@ -502,11 +502,6 @@ static int cnss_wlan_enable_pin_set_state( 
{

	int ret;



	if (!state && penv->dual_wifi_info.is_dual_wifi_enabled) {

		pr_debug("%s:Dual WiFi enabled, skip sleep state\n", __func__);

		return 0;

	}



	if (state)

		goto set_wlan_pin_active;
@@ -2307,10 +2302,8 @@ again: 


		ret = wdrv->probe(pdev, penv->id);

		if (ret) {

			if (!penv->dual_wifi_info.is_dual_wifi_enabled) {

			wcnss_prealloc_check_memory_leak();

			wcnss_pre_alloc_reset();

			}



			if (probe_again > 3) {

				pr_err("Failed to probe WLAN\n");
@@ -2400,10 +2393,8 @@ void cnss_wlan_unregister_driver(struct cnss_wlan_driver *driver) 
	if (wdrv->remove)

		wdrv->remove(pdev);



	if (!penv->dual_wifi_info.is_dual_wifi_enabled) {

	wcnss_prealloc_check_memory_leak();

	wcnss_pre_alloc_reset();

	}



	cnss_msm_pcie_deregister_event(&penv->event_reg);

drivers/net/wireless/cnss/cnss_sdio.c

+7 −1
Original line number Diff line number Diff line
@@ -238,7 +238,7 @@ static int cnss_put_hw_resources(struct device *dev) 


	if (!host) {

		pr_err("%s: MMC host is invalid\n", __func__);

		return 0;

		return ret;

	}



	ret = mmc_power_save_host(host);
@@ -276,6 +276,12 @@ static int cnss_get_hw_resources(struct device *dev) 


	host = info->host;



	if (!host) {

		pr_err("%s: MMC Host is Invalid; Enumeration Failed\n",

		       __func__);

		return ret;

	}



	ret = regulator_enable(cnss_pdata->regulator.wlan_vreg);

	if (ret) {

		pr_err("%s: Failed to enable wlan vreg\n", __func__);