[PATCH] libertas: call into generic suspend code before turning off power

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When powering down a SDIO connected card during suspend, make sure to call
into the generic lbs_suspend() function before pulling the plug. This will
make sure the card is successfully deregistered from the system to avoid
communication to the card starving out.

Fixes: 7444a8092906 ("libertas: fix suspend and resume for SDIO connected cards")
Signed-off-by: Daniel Mack <daniel@xxxxxxxxxx>
---
If possible, this should go in for 4.19.

 drivers/net/wireless/marvell/libertas/if_sdio.c | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/drivers/net/wireless/marvell/libertas/if_sdio.c b/drivers/net/wireless/marvell/libertas/if_sdio.c
index 43743c26c071..39bf85d0ade0 100644
--- a/drivers/net/wireless/marvell/libertas/if_sdio.c
+++ b/drivers/net/wireless/marvell/libertas/if_sdio.c
@@ -1317,6 +1317,10 @@ static int if_sdio_suspend(struct device *dev)
 	if (priv->wol_criteria == EHS_REMOVE_WAKEUP) {
 		dev_info(dev, "Suspend without wake params -- powering down card\n");
 		if (priv->fw_ready) {
+			ret = lbs_suspend(priv);
+			if (ret)
+				return ret;
+
 			priv->power_up_on_resume = true;
 			if_sdio_power_off(card);
 		}
-- 
2.17.1




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