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From: Tony Chuang <yhchuang@realtek.com>
To: Sebastian Andrzej Siewior <bigeasy@linutronix.de>
Cc: "kvalo@codeaurora.org" <kvalo@codeaurora.org>,
	Pkshih <pkshih@realtek.com>,
	"linux-wireless@vger.kernel.org" <linux-wireless@vger.kernel.org>,
	"briannorris@chromium.org" <briannorris@chromium.org>,
	Kevin Yang <kevin_yang@realtek.com>
Subject: RE: [PATCH 28/40] rtw88: 8723d: Add shutdown callback to disable BT USB suspend
Date: Wed, 6 May 2020 02:35:21 +0000	[thread overview]
Message-ID: <c7083dc760464c1a9017888457c1718d@realtek.com> (raw)
In-Reply-To: <20200505141455.k2mk7tmuiujfv2sh@linutronix.de>

> On 2020-04-17 15:46:41 [+0800], yhchuang@realtek.com wrote:
> > From: Ping-Ke Shih <pkshih@realtek.com>
> >
> > Without this patch, wifi card can't initialize properly due to BT in USB
> > suspend state. So, we disable BT USB suspend (wakeup) in shutdown callback
> > that is the moment before rebooting. To save BT USB power, we can't do this
> > in 'remove' callback.
> 
> So you can't initialize the USB part because it is in suspend and the
> only way to avoid it to disable it on the PCI side. That means you don't
> see it enumerated on the USB bus at all?

Yes, if we don't disable it on PCI side, then the USB part cannot be
probed on USB bus.

> 
> > Signed-off-by: Ping-Ke Shih <pkshih@realtek.com>
> > Signed-off-by: Yan-Hsuan Chuang <yhchuang@realtek.com>
> 
> Sebastian
> 

Yen-Hsuan

  reply	other threads:[~2020-05-06  2:35 UTC|newest]

Thread overview: 57+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-04-17  7:46 [PATCH 00/40] rtw88: add support for 802.11n RTL8723DE devices yhchuang
2020-04-17  7:46 ` [PATCH 01/40] rtw88: 8723d: Add basic chip capabilities yhchuang
2020-04-17  7:46 ` [PATCH 02/40] rtw88: 8723d: add beamform wrapper functions yhchuang
2020-04-17  7:46 ` [PATCH 03/40] rtw88: 8723d: Add power sequence yhchuang
2020-04-17  7:46 ` [PATCH 04/40] rtw88: 8723d: Add RF read/write ops yhchuang
2020-04-17  7:46 ` [PATCH 05/40] rtw88: 8723d: Add mac/bb/rf/agc/power_limit tables yhchuang
2020-04-17  7:46 ` [PATCH 06/40] rtw88: 8723d: Add cfg_ldo25 to control LDO25 yhchuang
2020-04-17  7:46 ` [PATCH 07/40] rtw88: 8723d: Add new chip op efuse_grant() to control efuse access yhchuang
2020-04-17  7:46 ` [PATCH 08/40] rtw88: 8723d: Add read_efuse to recognize efuse info from map yhchuang
2020-04-17  7:46 ` [PATCH 09/40] rtw88: add legacy firmware download for 8723D devices yhchuang
2020-04-17  7:46 ` [PATCH 10/40] rtw88: no need to send additional information to legacy firmware yhchuang
2020-04-17  7:46 ` [PATCH 11/40] rtw88: 8723d: Add mac power-on/-off function yhchuang
2020-04-17  7:46 ` [PATCH 12/40] rtw88: decompose while(1) loop of power sequence polling command yhchuang
2020-04-17  7:46 ` [PATCH 13/40] rtw88: 8723d: 11N chips don't support H2C queue yhchuang
2020-04-17  7:46 ` [PATCH 14/40] rtw88: 8723d: implement set_tx_power_index ops yhchuang
2020-04-17  7:46 ` [PATCH 15/40] rtw88: 8723d: Organize chip TX/RX FIFO yhchuang
2020-04-17  7:46 ` [PATCH 16/40] rtw88: 8723d: initialize mac/bb/rf basic functions yhchuang
2020-04-17  7:46 ` [PATCH 17/40] rtw88: 8723d: Add DIG parameter yhchuang
2020-04-17  7:46 ` [PATCH 18/40] rtw88: 8723d: Add query_rx_desc yhchuang
2020-04-17  7:46 ` [PATCH 19/40] rtw88: 8723d: Add set_channel yhchuang
2020-04-17  7:46 ` [PATCH 20/40] rtw88: handle C2H_CCX_TX_RPT to know if packet TX'ed successfully yhchuang
2020-04-17  7:46 ` [PATCH 21/40] rtw88: 8723d: 11N chips don't support LDPC yhchuang
2020-04-17  7:46 ` [PATCH 22/40] rtw88: 8723d: Add chip_ops::false_alarm_statistics yhchuang
2020-04-17  7:46 ` [PATCH 23/40] rtw88: 8723d: Set IG register for CCK rate yhchuang
2020-04-17  7:46 ` [PATCH 24/40] rtw88: 8723d: add interface configurations table yhchuang
2020-04-17  7:46 ` [PATCH 25/40] rtw88: 8723d: Add LC calibration yhchuang
2020-04-30 13:57   ` Sebastian Andrzej Siewior
2020-05-04  8:40     ` Tony Chuang
2020-04-17  7:46 ` [PATCH 26/40] rtw88: 8723d: add IQ calibration yhchuang
2020-04-30 15:02   ` Sebastian Andrzej Siewior
2020-05-04  9:45     ` Tony Chuang
2020-05-05 11:42       ` Sebastian Andrzej Siewior
2020-04-17  7:46 ` [PATCH 27/40] rtw88: 8723d: Add power tracking yhchuang
2020-04-17  7:46 ` [PATCH 28/40] rtw88: 8723d: Add shutdown callback to disable BT USB suspend yhchuang
2020-05-05 14:14   ` Sebastian Andrzej Siewior
2020-05-06  2:35     ` Tony Chuang [this message]
2020-05-06 20:01       ` Sebastian Andrzej Siewior
2020-05-07  4:26         ` Tony Chuang
2020-05-10 21:54           ` Sebastian Andrzej Siewior
2020-05-11  6:43           ` Pkshih
2020-04-17  7:46 ` [PATCH 29/40] rtw88: 8723d: implement flush queue yhchuang
2020-04-17  7:46 ` [PATCH 30/40] rtw88: 8723d: set ltecoex register address in chip_info yhchuang
2020-04-17  7:46 ` [PATCH 31/40] rtw88: 8723d: Add coex support yhchuang
2020-04-17  7:46 ` [PATCH 32/40] rtw88: fill zeros to words 0x06 and 0x07 of security cam entry yhchuang
2020-04-17  7:46 ` [PATCH 33/40] rtw88: 8723d: Add 8723DE to Kconfig and Makefile yhchuang
2020-04-17  7:46 ` [PATCH 34/40] rtw88: extract: export symbols used in chip functionalities yhchuang
2020-04-17  7:46 ` [PATCH 35/40] rtw88: extract: export symbols about pci interface yhchuang
2020-04-17  7:46 ` [PATCH 36/40] rtw88: extract: make 8822c an individual kernel module yhchuang
2020-04-17  7:46 ` [PATCH 37/40] rtw88: extract: make 8822b " yhchuang
2020-04-17  7:46 ` [PATCH 38/40] rtw88: extract: make 8723d " yhchuang
2020-04-17  7:46 ` [PATCH 39/40] rtw88: extract: remove the unused after extracting yhchuang
2020-04-17  7:46 ` [PATCH 40/40] rtw88: rename rtw88.ko/rtwpci.ko to rtw88_core.ko/rtw88_pci.ko yhchuang
2020-04-17  8:19 ` [PATCH 00/40] rtw88: add support for 802.11n RTL8723DE devices Kalle Valo
2020-04-17  8:26   ` Kalle Valo
2020-04-17  9:03     ` Tony Chuang
2020-04-17 14:47       ` Stefan Schmidt
2020-04-21  8:23         ` Kalle Valo

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