linux-kernel - Re: [PATCH] brcmfmac: avoid duplicated suspend/resume operation

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Message-ID: <54D83C52.9000403@linux.intel.com>
Date:	Mon, 09 Feb 2015 12:49:22 +0800
From:	"Fu, Zhonghui" <zhonghui.fu@...ux.intel.com>
To:	Arend van Spriel <arend@...adcom.com>
CC:	brudley@...adcom.com, Franky Lin <frankyl@...adcom.com>,
	meuleman@...adcom.com, Kalle Valo <kvalo@...eaurora.org>,
	linville@...driver.com, pieterpg@...adcom.com, hdegoede@...hat.com,
	wens@...e.org, linux-wireless@...r.kernel.org,
	brcm80211-dev-list@...adcom.com, netdev@...r.kernel.org,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH] brcmfmac: avoid duplicated suspend/resume operation


I have re-sent the patch with the subject "[PATCH v2] brcmfmac: avoid duplicated suspend/resume operation" in another mail.
If this patch can be accepted, please tell me.

Thanks,
Zhonghui

On 2015/2/5 19:46, Arend van Spriel wrote:
> On 02/05/15 12:34, Fu, Zhonghui wrote:
>> What comments about the new patch?  Can this new patch be accepted?
>
> Hi Zhonghui
>
> Last reply from Kalle was that it did not apply to his tree and recommended to use version numbering so "[PATCH V2] <subject>".
>
>> Thanks,
>> Zhonghui
>>
>> On 2015/1/26 10:46, Fu, Zhonghui wrote:
>>>  From ff39ed4af9f1c50358fe92ec4c8eaac9db183e00 Mon Sep 17 00:00:00 2001
>>> From: Zhonghui Fu<zhonghui.fu@...ux.intel.com>
>>> Date: Mon, 26 Jan 2015 10:13:21 +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.
>>>
>>> Acked-by: Arend van Spriel<arend@...adcom.com>
>>> Signed-off-by: Zhonghui Fu<zhonghui.fu@...ux.intel.com>
>>> ---
> And when using version info a change log here is even better. Although admittedly I lost track which version this would be ;-)
>
> Regards,
> Arend
> ---
>>>   drivers/net/wireless/brcm80211/brcmfmac/bcmsdh.c |   17 +++++++++++++++--
>>>   1 files changed, 15 insertions(+), 2 deletions(-)
>>>
>>> diff --git a/drivers/net/wireless/brcm80211/brcmfmac/bcmsdh.c b/drivers/net/wireless/brcm80211/brcmfmac/bcmsdh.c
>>> index 9880dae..618b545 100644
>>> --- a/drivers/net/wireless/brcm80211/brcmfmac/bcmsdh.c
>>> +++ b/drivers/net/wireless/brcm80211/brcmfmac/bcmsdh.c
>>> @@ -1139,11 +1139,17 @@ 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 +1170,16 @@ 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&&  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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