HSI: omap_ssi_port: replace pm_runtime_put_sync with non-sync variant

There is no need to wait for hardware to really reach idle states,
so just release runtime PM asynchronously.

Signed-off-by: Sebastian Reichel <sre@kernel.org>
Tested-by: Pavel Machek <pavel@ucw.cz>

diff --git a/drivers/hsi/controllers/omap_ssi_port.c b/drivers/hsi/controllers/omap_ssi_port.c
index 9206422..aef5a86 100644 (file)
--- a/drivers/hsi/controllers/omap_ssi_port.c
+++ b/drivers/hsi/controllers/omap_ssi_port.c
@@ -375,7 +375,7 @@ static int ssi_async_break(struct hsi_msg *msg)
                spin_unlock_bh(&omap_port->lock);
        }
 out:
-       pm_runtime_put_sync(omap_port->pdev);
+       pm_runtime_put(omap_port->pdev);
 
        return err;
 }
@@ -515,7 +515,7 @@ static int ssi_setup(struct hsi_client *cl)
        omap_port->ssr.mode = cl->rx_cfg.mode;
 out:
        spin_unlock_bh(&omap_port->lock);
-       pm_runtime_put_sync(omap_port->pdev);
+       pm_runtime_put(omap_port->pdev);
 
        return err;
 }
@@ -546,7 +546,7 @@ static int ssi_flush(struct hsi_client *cl)
                        continue;
                writew_relaxed(0, omap_ssi->gdd + SSI_GDD_CCR_REG(i));
                if (msg->ttype == HSI_MSG_READ)
-                       pm_runtime_put_sync(omap_port->pdev);
+                       pm_runtime_put(omap_port->pdev);
                omap_ssi->gdd_trn[i].msg = NULL;
        }
        /* Flush all SST buffers */
@@ -570,7 +570,7 @@ static int ssi_flush(struct hsi_client *cl)
        for (i = 0; i < omap_port->channels; i++) {
                /* Release write clocks */
                if (!list_empty(&omap_port->txqueue[i]))
-                       pm_runtime_put_sync(omap_port->pdev);
+                       pm_runtime_put(omap_port->pdev);
                ssi_flush_queue(&omap_port->txqueue[i], NULL);
                ssi_flush_queue(&omap_port->rxqueue[i], NULL);
        }
@@ -580,7 +580,7 @@ static int ssi_flush(struct hsi_client *cl)
        pinctrl_pm_select_default_state(omap_port->pdev);
 
        spin_unlock_bh(&omap_port->lock);
-       pm_runtime_put_sync(omap_port->pdev);
+       pm_runtime_put(omap_port->pdev);
 
        return 0;
 }
@@ -687,7 +687,7 @@ static void ssi_cleanup_queues(struct hsi_client *cl)
                        txbufstate |= (1 << i);
                        status |= SSI_DATAACCEPT(i);
                        /* Release the clocks writes, also GDD ones */
-                       pm_runtime_put_sync(omap_port->pdev);
+                       pm_runtime_put(omap_port->pdev);
                }
                ssi_flush_queue(&omap_port->txqueue[i], cl);
        }
@@ -742,7 +742,7 @@ static void ssi_cleanup_gdd(struct hsi_controller *ssi, struct hsi_client *cl)
                 * ssi_cleanup_queues
                 */
                if (msg->ttype == HSI_MSG_READ)
-                       pm_runtime_put_sync(omap_port->pdev);
+                       pm_runtime_put(omap_port->pdev);
                omap_ssi->gdd_trn[i].msg = NULL;
        }
        tmp = readl_relaxed(omap_ssi->sys + SSI_GDD_MPU_IRQ_ENABLE_REG);
@@ -790,7 +790,7 @@ static int ssi_release(struct hsi_client *cl)
                WARN_ON(omap_port->wk_refcount != 0);
        }
        spin_unlock_bh(&omap_port->lock);
-       pm_runtime_put_sync(omap_port->pdev);
+       pm_runtime_put(omap_port->pdev);
 
        return 0;
 }
@@ -937,7 +937,7 @@ static void ssi_pio_complete(struct hsi_port *port, struct list_head *queue)
        reg = readl(omap_ssi->sys + SSI_MPU_ENABLE_REG(port->num, 0));
        if (msg->ttype == HSI_MSG_WRITE) {
                /* Release clocks for write transfer */
-               pm_runtime_put_sync(omap_port->pdev);
+               pm_runtime_put(omap_port->pdev);
        }
        reg &= ~val;
        writel_relaxed(reg, omap_ssi->sys + SSI_MPU_ENABLE_REG(port->num, 0));