[PATCH v2 13/21] firmware: xilinx: Use of_genpd_sync_state()
Ulf Hansson
ulf.hansson at linaro.org
Fri May 23 06:40:10 PDT 2025
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 at amd.com>
Signed-off-by: Ulf Hansson <ulf.hansson at linaro.org>
---
drivers/firmware/xilinx/zynqmp.c | 7 ++++++-
1 file changed, 6 insertions(+), 1 deletion(-)
diff --git a/drivers/firmware/xilinx/zynqmp.c b/drivers/firmware/xilinx/zynqmp.c
index 87ddbb7d11c2..02da3e48bc8f 100644
--- a/drivers/firmware/xilinx/zynqmp.c
+++ b/drivers/firmware/xilinx/zynqmp.c
@@ -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");
}
--
2.43.0
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