Merge tag 'v5.15.70' into lf-5.15.y

This is the 5.15.70 stable release

* tag 'v5.15.70': (2444 commits)
  Linux 5.15.70
  ALSA: hda/sigmatel: Fix unused variable warning for beep power change
  cgroup: Add missing cpus_read_lock() to cgroup_attach_task_all()
  ...

Signed-off-by: Jason Liu <jason.hui.liu@nxp.com>

 Conflicts:
	arch/arm/boot/dts/imx6ul.dtsi
	arch/arm/mm/mmu.c
	arch/arm64/boot/dts/freescale/imx8mp-evk.dts
	drivers/gpu/drm/imx/dcss/dcss-kms.c
	drivers/media/platform/nxp/imx-jpeg/mxc-jpeg.c
	drivers/media/platform/nxp/imx-jpeg/mxc-jpeg.h
	drivers/mtd/nand/raw/gpmi-nand/gpmi-nand.c
	drivers/net/ethernet/freescale/dpaa2/dpaa2-eth.c
	drivers/soc/fsl/Kconfig
	drivers/soc/imx/gpcv2.c
	drivers/usb/dwc3/host.c
	net/dsa/slave.c
	sound/soc/fsl/imx-card.c

1 files changed, 26 insertions, 0 deletions

diff --git a/drivers/virtio/virtio_mmio.c b/drivers/virtio/virtio_mmio.c
index 1dd396d4bebb..fe696aafaed8 100644
--- a/drivers/virtio/virtio_mmio.c
+++ b/drivers/virtio/virtio_mmio.c
@@ -62,6 +62,7 @@
 #include <linux/list.h>
 #include <linux/module.h>
 #include <linux/platform_device.h>
+#include <linux/pm.h>
 #include <linux/slab.h>
 #include <linux/spinlock.h>
 #include <linux/virtio.h>
@@ -543,6 +544,28 @@ static const struct virtio_config_ops virtio_mmio_config_ops = {
 	.get_shm_region = vm_get_shm_region,
 };
 
+#ifdef CONFIG_PM_SLEEP
+static int virtio_mmio_freeze(struct device *dev)
+{
+	struct virtio_mmio_device *vm_dev = dev_get_drvdata(dev);
+
+	return virtio_device_freeze(&vm_dev->vdev);
+}
+
+static int virtio_mmio_restore(struct device *dev)
+{
+	struct virtio_mmio_device *vm_dev = dev_get_drvdata(dev);
+
+	if (vm_dev->version == 1)
+		writel(PAGE_SIZE, vm_dev->base + VIRTIO_MMIO_GUEST_PAGE_SIZE);
+
+	return virtio_device_restore(&vm_dev->vdev);
+}
+
+static const struct dev_pm_ops virtio_mmio_pm_ops = {
+	SET_SYSTEM_SLEEP_PM_OPS(virtio_mmio_freeze, virtio_mmio_restore)
+};
+#endif
 
 static void virtio_mmio_release_dev(struct device *_d)
 {
@@ -786,6 +809,9 @@ static struct platform_driver virtio_mmio_driver = {
 		.name	= "virtio-mmio",
 		.of_match_table	= virtio_mmio_match,
 		.acpi_match_table = ACPI_PTR(virtio_mmio_acpi_match),
+#ifdef CONFIG_PM_SLEEP
+		.pm	= &virtio_mmio_pm_ops,
+#endif
 	},
 };