diff options
| -rw-r--r-- | drivers/crypto/omap-des.c | 10 |
1 files changed, 8 insertions, 2 deletions
diff --git a/drivers/crypto/omap-des.c b/drivers/crypto/omap-des.c index 0d68f77ea53a..3783dcf6bc37 100644 --- a/drivers/crypto/omap-des.c +++ b/drivers/crypto/omap-des.c @@ -78,6 +78,8 @@ #define FLAGS_INIT BIT(4) #define FLAGS_BUSY BIT(6) +#define DEFAULT_AUTOSUSPEND_DELAY 1000 + struct omap_des_ctx { struct omap_des_dev *dd; @@ -506,8 +508,10 @@ static void omap_des_finish_req(struct omap_des_dev *dd, int err) pr_debug("err: %d\n", err); - pm_runtime_put(dd->dev); crypto_finalize_cipher_request(dd->engine, req, err); + + pm_runtime_mark_last_busy(dd->dev); + pm_runtime_put_autosuspend(dd->dev); } static int omap_des_crypt_dma_stop(struct omap_des_dev *dd) @@ -1044,8 +1048,10 @@ static int omap_des_probe(struct platform_device *pdev) } dd->phys_base = res->start; + pm_runtime_use_autosuspend(dev); + pm_runtime_set_autosuspend_delay(dev, DEFAULT_AUTOSUSPEND_DELAY); + pm_runtime_enable(dev); - pm_runtime_irq_safe(dev); err = pm_runtime_get_sync(dev); if (err < 0) { pm_runtime_put_noidle(dev); |