From: Benoit Goby <benoit@android.com>
Date: Tue, 19 Oct 2010 03:01:26 +0000 (-0700)
Subject: mdm6600: Suspend the bus immediately after the modem
X-Git-Tag: firefly_0821_release~9834^2~432
X-Git-Url: http://demsky.eecs.uci.edu/git/?a=commitdiff_plain;h=a9b659549639b99252363deb2b52c32c52935476;p=firefly-linux-kernel-4.4.55.git

mdm6600: Suspend the bus immediately after the modem

Since the modem is the only device connected to the bus, the bus may be
suspended immediately after the modem.

Change-Id: I3ce209d84c3920b34543a65f9ac079c07d45572a
Signed-off-by: Benoit Goby <benoit@android.com>
---

diff --git a/drivers/usb/serial/mdm6600.c b/drivers/usb/serial/mdm6600.c
index 65de8551404d..9420131b88e5 100644
--- a/drivers/usb/serial/mdm6600.c
+++ b/drivers/usb/serial/mdm6600.c
@@ -239,6 +239,7 @@ static int mdm6600_attach(struct usb_serial *serial)
 	device_init_wakeup(&serial->dev->dev, 1);
 	serial->interface->needs_remote_wakeup = 1;
 	serial->dev->autosuspend_delay = MODEM_AUTOSUSPEND_DELAY;
+	serial->dev->parent->autosuspend_delay = 0;
 
 	return 0;
 }