mirror of
https://github.com/AuxXxilium/linux_dsm_epyc7002.git
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e1f12eb6ba
Hub-initiated LPM is not good for USB communications devices. Comms devices should be able to tell when their link can go into a lower power state, because they know when an incoming transmission is finished. Ideally, these devices would slam their links into a lower power state, using the device-initiated LPM, after finishing the last packet of their data transfer. If we enable the idle timeouts for the parent hubs to enable hub-initiated LPM, we will get a lot of useless LPM packets on the bus as the devices reject LPM transitions when they're in the middle of receiving data. Worse, some devices might blindly accept the hub-initiated LPM and power down their radios while they're in the middle of receiving a transmission. The Intel Windows folks are disabling hub-initiated LPM for all USB communications devices under a xHCI USB 3.0 host. In order to keep the Linux behavior as close as possible to Windows, we need to do the same in Linux. Set the disable_hub_initiated_lpm flag for for all USB communications drivers. I know there aren't currently any USB 3.0 devices that implement these class specifications, but we should be ready if they do. Signed-off-by: Sarah Sharp <sarah.a.sharp@linux.intel.com> Cc: Marcel Holtmann <marcel@holtmann.org> Cc: Gustavo Padovan <gustavo@padovan.org> Cc: Johan Hedberg <johan.hedberg@gmail.com> Cc: Hansjoerg Lipp <hjlipp@web.de> Cc: Tilman Schmidt <tilman@imap.cc> Cc: Karsten Keil <isdn@linux-pingi.de> Cc: Peter Korsgaard <jacmet@sunsite.dk> Cc: Jan Dumon <j.dumon@option.com> Cc: Petko Manolov <petkan@users.sourceforge.net> Cc: Steve Glendinning <steve.glendinning@smsc.com> Cc: "John W. Linville" <linville@tuxdriver.com> Cc: Kalle Valo <kvalo@qca.qualcomm.com> Cc: "Luis R. Rodriguez" <mcgrof@qca.qualcomm.com> Cc: Jouni Malinen <jouni@qca.qualcomm.com> Cc: Vasanthakumar Thiagarajan <vthiagar@qca.qualcomm.com> Cc: Senthil Balasubramanian <senthilb@qca.qualcomm.com> Cc: Christian Lamparter <chunkeey@googlemail.com> Cc: Brett Rudley <brudley@broadcom.com> Cc: Roland Vossen <rvossen@broadcom.com> Cc: Arend van Spriel <arend@broadcom.com> Cc: "Franky (Zhenhui) Lin" <frankyl@broadcom.com> Cc: Kan Yan <kanyan@broadcom.com> Cc: Dan Williams <dcbw@redhat.com> Cc: Jussi Kivilinna <jussi.kivilinna@mbnet.fi> Cc: Ivo van Doorn <IvDoorn@gmail.com> Cc: Gertjan van Wingerde <gwingerde@gmail.com> Cc: Helmut Schaa <helmut.schaa@googlemail.com> Cc: Herton Ronaldo Krzesinski <herton@canonical.com> Cc: Hin-Tak Leung <htl10@users.sourceforge.net> Cc: Larry Finger <Larry.Finger@lwfinger.net> Cc: Chaoming Li <chaoming_li@realsil.com.cn> Cc: Daniel Drake <dsd@gentoo.org> Cc: Ulrich Kunitz <kune@deine-taler.de> Signed-off-by: Sarah Sharp <sarah.a.sharp@linux.intel.com> |
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| .. | ||
| ahb.c | ||
| ani.c | ||
| ani.h | ||
| ar5008_initvals.h | ||
| ar5008_phy.c | ||
| ar9001_initvals.h | ||
| ar9002_calib.c | ||
| ar9002_hw.c | ||
| ar9002_initvals.h | ||
| ar9002_mac.c | ||
| ar9002_phy.c | ||
| ar9002_phy.h | ||
| ar9003_2p2_initvals.h | ||
| ar9003_calib.c | ||
| ar9003_eeprom.c | ||
| ar9003_eeprom.h | ||
| ar9003_hw.c | ||
| ar9003_mac.c | ||
| ar9003_mac.h | ||
| ar9003_mci.c | ||
| ar9003_mci.h | ||
| ar9003_paprd.c | ||
| ar9003_phy.c | ||
| ar9003_phy.h | ||
| ar9003_rtt.c | ||
| ar9003_rtt.h | ||
| ar9330_1p1_initvals.h | ||
| ar9330_1p2_initvals.h | ||
| ar9340_initvals.h | ||
| ar9462_2p0_initvals.h | ||
| ar9485_initvals.h | ||
| ar9580_1p0_initvals.h | ||
| ath9k.h | ||
| beacon.c | ||
| btcoex.c | ||
| btcoex.h | ||
| calib.c | ||
| calib.h | ||
| common.c | ||
| common.h | ||
| debug.c | ||
| debug.h | ||
| dfs_debug.c | ||
| dfs_debug.h | ||
| dfs.c | ||
| dfs.h | ||
| eeprom_4k.c | ||
| eeprom_9287.c | ||
| eeprom_def.c | ||
| eeprom.c | ||
| eeprom.h | ||
| gpio.c | ||
| hif_usb.c | ||
| hif_usb.h | ||
| htc_drv_beacon.c | ||
| htc_drv_debug.c | ||
| htc_drv_gpio.c | ||
| htc_drv_init.c | ||
| htc_drv_main.c | ||
| htc_drv_txrx.c | ||
| htc_hst.c | ||
| htc_hst.h | ||
| htc.h | ||
| hw-ops.h | ||
| hw.c | ||
| hw.h | ||
| init.c | ||
| Kconfig | ||
| mac.c | ||
| mac.h | ||
| main.c | ||
| Makefile | ||
| mci.c | ||
| mci.h | ||
| pci.c | ||
| phy.h | ||
| rc.c | ||
| rc.h | ||
| recv.c | ||
| reg.h | ||
| wmi.c | ||
| wmi.h | ||
| xmit.c | ||