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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: Ulf Hansson <ulf.hansson@linaro.org>
Link: https://lore.kernel.org/r/20250701114733.636510-17-ulf.hansson@linaro.org
This commit is contained in:
Ulf Hansson 2025-07-01 13:47:18 +02:00
parent 10086a4f39
commit 29ea33866d
1 changed files with 6 additions and 1 deletions
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7
drivers/firmware/xilinx/zynqmp.c
View File

@ -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");
}