From: Ruchika Kharwar <ruchika@ti.com>
Date: Thu, 6 Sep 2012 12:45:31 +0000 (+0300)
Subject: serial: omap: fix sequence of pm_runtime_* calls.
X-Git-Tag: firefly_0821_release~3680^2~1976^2~65
X-Git-Url: http://demsky.eecs.uci.edu/git/?a=commitdiff_plain;h=856e35bf596e83a63c8a9ec749e9f2bcd24a1bdd;p=firefly-linux-kernel-4.4.55.git

serial: omap: fix sequence of pm_runtime_* calls.

pm_runtime_enable() needs to be invoked before
pm_runtime_use_autosuspend(), and
pm_runtime_set_autosuspend_delay() functions.

Tested-by: Shubhrajyoti D <shubhrajyoti@ti.com>
Signed-off-by: Nishanth Menon <nm@ti.com>
Signed-off-by: Ruchika Kharwar <ruchika@ti.com>
Signed-off-by: Felipe Balbi <balbi@ti.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---

diff --git a/drivers/tty/serial/omap-serial.c b/drivers/tty/serial/omap-serial.c
index 99042b0fb941..f5dcb5aa0000 100644
--- a/drivers/tty/serial/omap-serial.c
+++ b/drivers/tty/serial/omap-serial.c
@@ -1333,12 +1333,12 @@ static int serial_omap_probe(struct platform_device *pdev)
 	INIT_WORK(&up->qos_work, serial_omap_uart_qos_work);
 
 	platform_set_drvdata(pdev, up);
+	pm_runtime_enable(&pdev->dev);
 	pm_runtime_use_autosuspend(&pdev->dev);
 	pm_runtime_set_autosuspend_delay(&pdev->dev,
 			omap_up_info->autosuspend_timeout);
 
 	pm_runtime_irq_safe(&pdev->dev);
-	pm_runtime_enable(&pdev->dev);
 	pm_runtime_get_sync(&pdev->dev);
 
 	omap_serial_fill_features_erratas(up);