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[v2,09/12] mwifiex: usb: handle HS failures

Message ID 1478053488-16042-7-git-send-email-huxinming820@marvell.com (mailing list archive)
State Changes Requested
Delegated to: Kalle Valo
Headers show

Commit Message

Xinming Hu Nov. 2, 2016, 2:24 a.m. UTC 
From: Brian Norris <briannorris@chromium.org>

SDIO and PCIe drivers handle this. Let's imitate it.

Not tested.

---
v2: Same as v1
---
Signed-off-by: Brian Norris <briannorris@chromium.org>
---
 drivers/net/wireless/marvell/mwifiex/usb.c | 9 ++++++++-
 1 file changed, 8 insertions(+), 1 deletion(-)
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Patch

diff --git a/drivers/net/wireless/marvell/mwifiex/usb.c b/drivers/net/wireless/marvell/mwifiex/usb.c
index 70126c3..c26daf4 100644
--- a/drivers/net/wireless/marvell/mwifiex/usb.c
+++ b/drivers/net/wireless/marvell/mwifiex/usb.c
@@ -521,7 +521,14 @@  static int mwifiex_usb_suspend(struct usb_interface *intf, pm_message_t message)
 		mwifiex_dbg(adapter, WARN,
 			    "Device already suspended\n");
 
-	mwifiex_enable_hs(adapter);
+	/* Enable the Host Sleep */
+	if (!mwifiex_enable_hs(adapter)) {
+		mwifiex_dbg(adapter, ERROR,
+			    "cmd: failed to suspend\n");
+		adapter->hs_enabling = false;
+		return -EFAULT;
+	}
+
 
 	/* 'is_suspended' flag indicates device is suspended.
 	 * It must be set here before the usb_kill_urb() calls. Reason