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From 89ade75d063fec124a6d338d7d332ab2fc4309dd Mon Sep 17 00:00:00 2001
From: Mykyta Dorokhin <mykyta.dorokhin@globallogic.com>
Date: Mon, 8 Feb 2021 18:30:40 +0200
Subject: [PATCH] linux-5.4: wl12xx_enable_disable
---
drivers/net/wireless/ti/wlcore/sdio.c | 12 +++++++++++-
1 file changed, 11 insertions(+), 1 deletion(-)
diff --git a/drivers/net/wireless/ti/wlcore/sdio.c b/drivers/net/wireless/ti/wlcore/sdio.c
index 7afaf35..b03a19c 100644
--- a/drivers/net/wireless/ti/wlcore/sdio.c
+++ b/drivers/net/wireless/ti/wlcore/sdio.c
@@ -140,8 +140,14 @@ static int wl12xx_sdio_power_on(struct wl12xx_sdio_glue *glue)
struct sdio_func *func = dev_to_sdio_func(glue->dev);
struct mmc_card *card = func->card;
+ /* Multi-Tech MTR patch: Assert WL_EN (PA27) to enable Wi-Fi */
+ gpio_set_value(27, 0);
+ msleep(10);
+ gpio_set_value(27, 1);
+ msleep(100);
+
ret = pm_runtime_get_sync(&card->dev);
- if (ret < 0) {
+ if (ret < 0 && ret != -EACCES) {
pm_runtime_put_noidle(&card->dev);
dev_err(glue->dev, "%s: failed to get_sync(%d)\n",
__func__, ret);
@@ -171,6 +177,10 @@ static int wl12xx_sdio_power_off(struct wl12xx_sdio_glue *glue)
sdio_disable_func(func);
sdio_release_host(func);
+ /* Multi-Tech MTR patch: De-assert WL_EN (PA27) to disable Wi-Fi */
+ gpio_set_value(27, 0);
+ msleep(10);
+
/* Let runtime PM know the card is powered off */
pm_runtime_put(&card->dev);
return 0;
--
1.9.1
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