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
next 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
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