I sent a new version of this patch in another mail.
Thanks,
Zhonghui
On 2015/1/5 18:48, Arend van Spriel wrote:
> On 01/05/15 03:34, Fu, Zhonghui wrote:
>> Hi Arend,
>>
>> Where to find your patch for this?
>
> Well, we did not submit it. Hence my "Acked-by:" to your patch below.
>
> Regards,
> Arend
>
>>
>> Thanks,
>> Zhonghui
>>
>> On 2014/12/31 17:56, Arend van Spriel wrote:
>>> On 12/31/14 09:20, Fu, Zhonghui wrote:
>>>> From e34419970a07bfcd365f9c66bdfa552188a0cd26 Mon Sep 17 00:00:00 2001
>>>> From: Zhonghui Fu<zhonghui.fu@xxxxxxxxxxxxxxx>
>>>> Date: Mon, 29 Dec 2014 21:25:31 +0800
>>>> Subject: [PATCH] brcmfmac: avoid duplicated suspend/resume operation
>>>>
>>>> WiFi chip has 2 SDIO functions, and PM core will trigger
>>>> twice suspend/resume operations for one WiFi chip to do
>>>> the same things. This patch avoid this case.
>>>
>>> We have a patch queued up for this as well, but this one looks good enough although I personally prefer container_of() instead of dev_to_sdio_func().
>>>
>>> Acked-by: Arend van Spriel<arend@xxxxxxxxxxxx>
>>>> Signed-off-by: Zhonghui Fu<zhonghui.fu@xxxxxxxxxxxxxxx>
>>>> ---
>>>> drivers/net/wireless/brcm80211/brcmfmac/bcmsdh.c | 19 +++++++++++++++++--
>>>> 1 files changed, 17 insertions(+), 2 deletions(-)
>>>>
>>>> diff --git a/drivers/net/wireless/brcm80211/brcmfmac/bcmsdh.c b/drivers/net/wireless/brcm80211/brcmfmac/bcmsdh.c
>>>> index 3c06e93..eee7818 100644
>>>> --- a/drivers/net/wireless/brcm80211/brcmfmac/bcmsdh.c
>>>> +++ b/drivers/net/wireless/brcm80211/brcmfmac/bcmsdh.c
>>>> @@ -1139,11 +1139,18 @@ void brcmf_sdio_wowl_config(struct device *dev, bool enabled)
>>>> static int brcmf_ops_sdio_suspend(struct device *dev)
>>>> {
>>>> struct brcmf_bus *bus_if = dev_get_drvdata(dev);
>>>> - struct brcmf_sdio_dev *sdiodev = bus_if->bus_priv.sdio;
>>>> + struct brcmf_sdio_dev *sdiodev;
>>>> mmc_pm_flag_t sdio_flags;
>>>> + struct sdio_func *func = dev_to_sdio_func(dev);
>>>>
>>>> brcmf_dbg(SDIO, "Enter\n");
>>>>
>>>> + if (func->num == 2) {
>>>> + return 0;
>>>> + }
>>>> +
>>>> + sdiodev = bus_if->bus_priv.sdio;
>>>> +
>>>> atomic_set(&sdiodev->suspend, true);
>>>>
>>>> if (sdiodev->wowl_enabled) {
>>>> @@ -1164,9 +1171,17 @@ static int brcmf_ops_sdio_suspend(struct device *dev)
>>>> static int brcmf_ops_sdio_resume(struct device *dev)
>>>> {
>>>> struct brcmf_bus *bus_if = dev_get_drvdata(dev);
>>>> - struct brcmf_sdio_dev *sdiodev = bus_if->bus_priv.sdio;
>>>> + struct brcmf_sdio_dev *sdiodev;
>>>> + struct sdio_func *func = dev_to_sdio_func(dev);
>>>>
>>>> brcmf_dbg(SDIO, "Enter\n");
>>>> +
>>>> + if (func->num == 2) {
>>>> + return 0;
>>>> + }
>>>> +
>>>> + sdiodev = bus_if->bus_priv.sdio;
>>>> +
>>>> if (sdiodev->pdata->oob_irq_supported)
>>>> disable_irq_wake(sdiodev->pdata->oob_irq_nr);
>>>> brcmf_sdio_wd_timer(sdiodev->bus, BRCMF_WD_POLL_MS);
>>>> -- 1.7.1
>>>>
>>>
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>>
>
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