Commit 29ea3386 authored by Ulf Hansson's avatar Ulf Hansson
Browse files

firmware: xilinx: Use of_genpd_sync_state() 



To make sure genpd tries to power off unused PM domains, let's call
of_genpd_sync_state() from our own ->sync_state() callback.

Cc: Michal Simek <michal.simek@amd.com>
Tested-by: Hiago De Franco <hiago.franco@toradex.com> # Colibri iMX8X
Tested-by: Tomi Valkeinen <tomi.valkeinen@ideasonboard.com> # TI AM62A,Xilinx ZynqMP ZCU106
Signed-off-by: default avatarUlf Hansson <ulf.hansson@linaro.org>
Link: https://lore.kernel.org/r/20250701114733.636510-17-ulf.hansson@linaro.org
parent 10086a4f

drivers/firmware/xilinx/zynqmp.c

+6 −1
Original line number Diff line number Diff line
@@ -20,6 +20,7 @@ 
#include <linux/of.h>

#include <linux/of_platform.h>

#include <linux/platform_device.h>

#include <linux/pm_domain.h>

#include <linux/slab.h>

#include <linux/uaccess.h>

#include <linux/hashtable.h>
@@ -2101,9 +2102,13 @@ static void zynqmp_firmware_remove(struct platform_device *pdev) 


static void zynqmp_firmware_sync_state(struct device *dev)

{

	if (!of_device_is_compatible(dev->of_node, "xlnx,zynqmp-firmware"))

	struct device_node *np = dev->of_node;



	if (!of_device_is_compatible(np, "xlnx,zynqmp-firmware"))

		return;



	of_genpd_sync_state(np);



	if (zynqmp_pm_init_finalize())

		dev_warn(dev, "failed to release power management to firmware\n");

}