From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: From: Greg Kroah-Hartman To: linux-kernel@vger.kernel.org Cc: Greg Kroah-Hartman , stable@vger.kernel.org, Daniel Mack , Ulf Hansson , Kalle Valo , Sasha Levin Subject: [PATCH 4.9 123/171] libertas: call into generic suspend code before turning off power Date: Thu, 8 Nov 2018 13:51:33 -0800 Message-Id: <20181108215136.187890648@linuxfoundation.org> In-Reply-To: <20181108215127.257643509@linuxfoundation.org> References: <20181108215127.257643509@linuxfoundation.org> MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit List-ID: 4.9-stable review patch. If anyone has any objections, please let me know. ------------------ [ Upstream commit 4f666675cdff0b986195413215eb062b7da6586f ] 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 Reviewed-by: Ulf Hansson Acked-by: Kalle Valo Signed-off-by: Ulf Hansson Signed-off-by: Sasha Levin --- 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 a0ae8d8763bb..06a57c708992 100644 --- a/drivers/net/wireless/marvell/libertas/if_sdio.c +++ b/drivers/net/wireless/marvell/libertas/if_sdio.c @@ -1368,6 +1368,10 @@ 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