in tegra-ahb.c [155:163]
static int __maybe_unused tegra_ahb_suspend(struct device *dev)
{
int i;
struct tegra_ahb *ahb = dev_get_drvdata(dev);
for (i = 0; i < ARRAY_SIZE(tegra_ahb_gizmo); i++)
ahb->ctx[i] = gizmo_readl(ahb, tegra_ahb_gizmo[i]);
return 0;
}