Messages in this thread | | | Date | Mon, 27 Apr 2015 10:53:55 +0200 | From | Arend van Spriel <> | Subject | Re: [PATCH 2/2] brcmfmac: keep WiFi chip's power during system suspension |
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On 04/27/15 07:06, Fu, Zhonghui wrote: > Need to keep the power supply for WiFi chip during system suspension. > Otherwise, the context of WiFi chip will be lost.
I already submitted a patch doing exactly the same thing [1]
Regards, Arend
[1] https://patchwork.kernel.org/patch/6217391/
> 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 >
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