netdev.vger.kernel.org archive mirror
 help / color / mirror / Atom feed
From: "Fu, Zhonghui" <zhonghui.fu@linux.intel.com>
To: "brudley@broadcom.com" <brudley@broadcom.com>,
	Arend van Spriel <arend@broadcom.com>,
	Franky Lin <frankyl@broadcom.com>,
	"meuleman@broadcom.com" <meuleman@broadcom.com>,
	Kalle Valo <kvalo@codeaurora.org>,
	"pieterpg@broadcom.com" <pieterpg@broadcom.com>,
	"hdegoede@redhat.com" <hdegoede@redhat.com>,
	"linux-wireless@vger.kernel.org" <linux-wireless@vger.kernel.org>,
	"brcm80211-dev-list@broadcom.com"
	<brcm80211-dev-list@broadcom.com>,
	"netdev@vger.kernel.org" <netdev@vger.kernel.org>,
	"linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>
Subject: [PATCH 2/2] brcmfmac: keep WiFi chip's power during system suspension
Date: Mon, 27 Apr 2015 13:06:43 +0800	[thread overview]
Message-ID: <553DC3E3.5050802@linux.intel.com> (raw)

Need to keep the power supply for WiFi chip during system suspension.
Otherwise, the context of WiFi chip will be lost.

Signed-off-by: Zhonghui Fu <zhonghui.fu@linux.intel.com>
---
 drivers/net/wireless/brcm80211/brcmfmac/bcmsdh.c |   10 ++++++----
 1 files changed, 6 insertions(+), 4 deletions(-)

diff --git a/drivers/net/wireless/brcm80211/brcmfmac/bcmsdh.c b/drivers/net/wireless/brcm80211/brcmfmac/bcmsdh.c
index fdf8feb..03d3671 100644
--- a/drivers/net/wireless/brcm80211/brcmfmac/bcmsdh.c
+++ b/drivers/net/wireless/brcm80211/brcmfmac/bcmsdh.c
@@ -1251,15 +1251,17 @@ static int brcmf_ops_sdio_suspend(struct device *dev)
 	brcmf_sdiod_freezer_on(sdiodev);
 	brcmf_sdio_wd_timer(sdiodev->bus, 0);
 
+	sdio_flags = MMC_PM_KEEP_POWER;
 	if (sdiodev->wowl_enabled) {
-		sdio_flags = MMC_PM_KEEP_POWER;
 		if (sdiodev->pdata->oob_irq_supported)
 			enable_irq_wake(sdiodev->pdata->oob_irq_nr);
 		else
-			sdio_flags = MMC_PM_WAKE_SDIO_IRQ;
-		if (sdio_set_host_pm_flags(sdiodev->func[1], sdio_flags))
-			brcmf_err("Failed to set pm_flags %x\n", sdio_flags);
+			sdio_flags |= MMC_PM_WAKE_SDIO_IRQ;
 	}
+
+	if (sdio_set_host_pm_flags(sdiodev->func[1], sdio_flags))
+		brcmf_err("Failed to set pm_flags %x\n", sdio_flags);
+
 	return 0;
 }
 
-- 1.7.1

             reply	other threads:[~2015-04-27  5:06 UTC|newest]

Thread overview: 3+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2015-04-27  5:06 Fu, Zhonghui [this message]
2015-04-27  8:53 ` [PATCH 2/2] brcmfmac: keep WiFi chip's power during system suspension Arend van Spriel
2015-05-01  6:26   ` Fu, Zhonghui

Reply instructions:

You may reply publicly to this message via plain-text email
using any one of the following methods:

* Save the following mbox file, import it into your mail client,
  and reply-to-all from there: mbox

  Avoid top-posting and favor interleaved quoting:
  https://en.wikipedia.org/wiki/Posting_style#Interleaved_style

* Reply using the --to, --cc, and --in-reply-to
  switches of git-send-email(1):

  git send-email \
    --in-reply-to=553DC3E3.5050802@linux.intel.com \
    --to=zhonghui.fu@linux.intel.com \
    --cc=arend@broadcom.com \
    --cc=brcm80211-dev-list@broadcom.com \
    --cc=brudley@broadcom.com \
    --cc=frankyl@broadcom.com \
    --cc=hdegoede@redhat.com \
    --cc=kvalo@codeaurora.org \
    --cc=linux-kernel@vger.kernel.org \
    --cc=linux-wireless@vger.kernel.org \
    --cc=meuleman@broadcom.com \
    --cc=netdev@vger.kernel.org \
    --cc=pieterpg@broadcom.com \
    /path/to/YOUR_REPLY

  https://kernel.org/pub/software/scm/git/docs/git-send-email.html

* If your mail client supports setting the In-Reply-To header
  via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).