[PATCH v2 04/10] crypto: omap-aes - Add suspend/resume support

[Mark A. Greer]

From: "Mark A. Greer" <mgr...@animalcreek.com>

Add suspend/resume support to the OMAP AES driver.

CC: Dmitry Kasatkin <dmitry.kasat...@intel.com>
Signed-off-by: Mark A. Greer <mgr...@animalcreek.com>
---
 drivers/crypto/omap-aes.c | 19 +++++++++++++++++++
 1 file changed, 19 insertions(+)

diff --git a/drivers/crypto/omap-aes.c b/drivers/crypto/omap-aes.c
index c229852..3262139 100644
--- a/drivers/crypto/omap-aes.c
+++ b/drivers/crypto/omap-aes.c
@@ -891,12 +891,31 @@ static int omap_aes_remove(struct platform_device *pdev)
        return 0;
 }
 
+#ifdef CONFIG_PM_SLEEP
+static int omap_aes_suspend(struct device *dev)
+{
+       pm_runtime_put_sync(dev);
+       return 0;
+}
+
+static int omap_aes_resume(struct device *dev)
+{
+       pm_runtime_get_sync(dev);
+       return 0;
+}
+#endif
+
+static const struct dev_pm_ops omap_aes_pm_ops = {
+       SET_SYSTEM_SLEEP_PM_OPS(omap_aes_suspend, omap_aes_resume)
+};
+
 static struct platform_driver omap_aes_driver = {
        .probe  = omap_aes_probe,
        .remove = omap_aes_remove,
        .driver = {
                .name   = "omap-aes",
                .owner  = THIS_MODULE,
+               .pm     = &omap_aes_pm_ops,
        },
 };
 
-- 
1.7.12

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