pmdomain: raspberrypi-power: Avoid powering down USB

During supend to idle any request to power off the USB domain leads to a timeout. As a temporary workaround don't register the relevant power off handler. Link: raspberrypi/firmware#1894 Signed-off-by: Stefan Wahren <[email protected]>
lategoodbye · Jun 23, 2024 · 6240930 · 6240930
1 parent cbdd251
commit 6240930
Showing 1 changed file with 8 additions and 1 deletion.
diff --git a/drivers/pmdomain/bcm/raspberrypi-power.c b/drivers/pmdomain/bcm/raspberrypi-power.c
@@ -86,7 +86,14 @@ static void rpi_common_init_power_domain(struct rpi_power_domains *rpi_domains,
 
 	dom->base.name = name;
 	dom->base.power_on = rpi_domain_on;
-	dom->base.power_off = rpi_domain_off;
+
+	/*
+	 * During supend to idle any request to power off the USB domain
+	 * leads to a timeout. As a temporary workaround don't register
+	 * the relevant power off handler.
+	 */
+	if (strcmp("USB", name))
+		dom->base.power_off = rpi_domain_off;
 
 	/*
 	 * Treat all power domains as off at boot.