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Diffstat (limited to 'recipes-kernel/linux/linux-at91-5.4.81/mtr/linux-5.4-wl12xx_enable_disable.patch')
-rw-r--r--recipes-kernel/linux/linux-at91-5.4.81/mtr/linux-5.4-wl12xx_enable_disable.patch43
1 files changed, 43 insertions, 0 deletions
diff --git a/recipes-kernel/linux/linux-at91-5.4.81/mtr/linux-5.4-wl12xx_enable_disable.patch b/recipes-kernel/linux/linux-at91-5.4.81/mtr/linux-5.4-wl12xx_enable_disable.patch
new file mode 100644
index 0000000..ebaadd0
--- /dev/null
+++ b/recipes-kernel/linux/linux-at91-5.4.81/mtr/linux-5.4-wl12xx_enable_disable.patch
@@ -0,0 +1,43 @@
+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
+