From 89ade75d063fec124a6d338d7d332ab2fc4309dd Mon Sep 17 00:00:00 2001 From: Mykyta Dorokhin 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