kernel-module-nxp-wlan: fix device wakeup capability of mwifiex driver

The device is always advertised as being wakeup capable, even if no
interrupt line has been allocated for it.

Add a patch to Initialize the device only as wakeup capable if an
interrupt has been registered.

Signed-off-by: Franz Schnyder <franz.schnyder@toradex.com>

2 files changed, 53 insertions, 0 deletions

diff --git a/recipes-kernel/kernel-modules/kernel-module-nxp-wlan/0001-mlinux-moal_main-fix-device-wakeup-capability.patch b/recipes-kernel/kernel-modules/kernel-module-nxp-wlan/0001-mlinux-moal_main-fix-device-wakeup-capability.patch
new file mode 100644
index 000000000..41ac4007a
--- /dev/null
+++ b/recipes-kernel/kernel-modules/kernel-module-nxp-wlan/0001-mlinux-moal_main-fix-device-wakeup-capability.patch
@@ -0,0 +1,52 @@
+From 6342842b69302ad5530b07d8390102b0648f4b9a Mon Sep 17 00:00:00 2001
+From: Franz Schnyder <franz.schnyder@toradex.com>
+Date: Thu, 21 May 2026 11:29:47 +0200
+Subject: [PATCH] mlinux: moal_main: fix device wakeup capability
+
+Currently, the device is always advertised as being capable of
+waking up, even if no interrupt line has been allocated for it.
+
+Initialize the device only as wakeup capable if an interrupt has been
+registered.
+
+Upstream-Status: Pending
+Signed-off-by: Franz Schnyder <franz.schnyder@toradex.com>
+---
+ mlinux/moal_main.c | 7 ++++++-
+ 1 file changed, 6 insertions(+), 1 deletion(-)
+
+diff --git a/mlinux/moal_main.c b/mlinux/moal_main.c
+index 0214fc3..2d765b8 100644
+--- a/mlinux/moal_main.c
++++ b/mlinux/moal_main.c
+@@ -14331,6 +14331,11 @@ void woal_regist_oob_wakeup_irq(moal_handle *handle)
+                goto err_exit;
+        }
+ 
++       if (device_init_wakeup(dev, true)) {
++               dev_err(dev, "Failed to init wakeup for mwifiex\n");
++               goto err_exit;
++       }
++
+        disable_irq(handle->irq_oob_wakeup);
+ 
+        LEAVE();
+@@ -14353,6 +14358,7 @@ void woal_unregist_oob_wakeup_irq(moal_handle *handle)
+ 
+        ENTER();
+        if (handle->irq_oob_wakeup >= 0) {
++               device_init_wakeup(dev, false);
+                devm_free_irq(dev, handle->irq_oob_wakeup, handle);
+        }
+        LEAVE();
+@@ -14829,7 +14835,6 @@ moal_handle *woal_add_card(void *card, struct device *dev, moal_if_ops *if_ops,
+                PRINTM(MFATAL, "Firmware Init Failed\n");
+                goto err_init_fw;
+        }
+-       device_init_wakeup(dev, true);
+ #ifdef SD8887
+        if (IS_SD8887(handle->card_type)) {
+                if (handle->fw_release_number.minorRevNum == 75) {
+-- 
+2.43.0
+
diff --git a/recipes-kernel/kernel-modules/kernel-module-nxp-wlan_git.bb b/recipes-kernel/kernel-modules/kernel-module-nxp-wlan_git.bb
index 073a62ff9..d22b643c7 100644
--- a/recipes-kernel/kernel-modules/kernel-module-nxp-wlan_git.bb
+++ b/recipes-kernel/kernel-modules/kernel-module-nxp-wlan_git.bb
@@ -12,6 +12,7 @@ module_conf_moal = "options moal mod_para=nxp/wifi_mod_para.conf"
 
 SRC_URI = " \
     ${MRVL_SRC};branch=${SRCBRANCH} \
+    file://0001-mlinux-moal_main-fix-device-wakeup-capability.patch \
 "
 MRVL_SRC ?= "git://github.com/nxp-imx/mwifiex.git;protocol=https"
 SRCBRANCH = "lf-6.18.2_1.0.0"