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f0c472a6da
linux/drivers/usb
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Kai-Heng Feng f0c472a6da xhci: Return if xHCI doesn't support LPM 
Just return if xHCI is quirked to disable LPM. We can save some time
from reading registers and doing spinlocks.

Add stable tag as we want this patch together with the next one,
"Poll for U0 after disabling USB2 LPM" which fixes a suspend issue
for some USB2 LPM devices

Cc: stable@vger.kernel.org
Signed-off-by: Kai-Heng Feng <kai.heng.feng@canonical.com>
Signed-off-by: Mathias Nyman <mathias.nyman@linux.intel.com>
Link: https://lore.kernel.org/r/20200624135949.22611-5-mathias.nyman@linux.intel.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2020-06-24 16:03:41 +02:00
..
atm USB: atm: Use the correct style for SPDX License Identifier 2020-03-17 20:03:28 +01:00
c67x00 USB: c67x00: Use the correct style for SPDX License Identifier 2020-03-17 20:03:28 +01:00
cdns3 usb: cdns3: ep0: add spinlock for cdns3_check_new_setup 2020-06-24 16:02:58 +02:00
chipidea - Some improvments for ci_hdrc_usb2.c 2020-05-26 10:27:14 +02:00
class cdc-acm: Add DISABLE_ECHO quirk for Microchip/SMSC chip 2020-06-18 10:42:52 +02:00
common usb: common: usb-conn-gpio: Don't log an error on probe deferral 2019-12-10 11:41:20 +01:00
core usb: add USB_QUIRK_DELAY_INIT for Logitech C922 2020-06-18 10:42:18 +02:00
dwc2 usb: dwc2: Postponed gadget registration to the udc class driver 2020-06-18 10:42:52 +02:00
dwc3 usb: dwc3: meson-g12a: fix USB2 PHY initialization on G12A and A1 SoCs 2020-05-29 12:21:26 +02:00
early Merge 5.7-rc3 into usb-next 2020-04-27 09:32:30 +02:00
gadget SCSI misc on 20200613 2020-06-13 13:17:49 -07:00
host xhci: Return if xHCI doesn't support LPM 2020-06-24 16:03:41 +02:00
image treewide: replace '---help---' in Kconfig files with 'help' 2020-06-14 01:57:21 +09:00
isp1760 USB: isp1760: Use the correct style for SPDX License Identifier 2020-04-16 14:32:47 +02:00
misc usb: usbtest: fix missing kfree(dev->buf) in usbtest_disconnect 2020-06-18 10:42:52 +02:00
mon USB: mon: Use scnprintf() for avoiding potential buffer overflow 2020-03-12 09:49:28 +01:00
mtu3 USB: mtu3: Use the correct style for SPDX License Identifier 2020-05-25 11:09:37 +03:00
musb usb: musb: Fix runtime PM imbalance on error 2020-05-25 13:36:31 +02:00
phy Merge 5.7-rc6 into usb-next 2020-05-18 07:55:55 +02:00
renesas_usbhs usb: renesas_usbhs: Use the correct style for SPDX License Identifier 2020-05-25 11:09:38 +03:00
roles usb: roles: Switch on role-switch uevent reporting 2020-05-13 14:20:49 +02:00
serial treewide: replace '---help---' in Kconfig files with 'help' 2020-06-14 01:57:21 +09:00
storage treewide: replace '---help---' in Kconfig files with 'help' 2020-06-14 01:57:21 +09:00
typec usb: typec: tcpci_rt1711h: avoid screaming irq causing boot hangs 2020-06-18 10:42:53 +02:00
usbip treewide: replace '---help---' in Kconfig files with 'help' 2020-06-14 01:57:21 +09:00
Kconfig treewide: replace '---help---' in Kconfig files with 'help' 2020-06-14 01:57:21 +09:00
Makefile
usb-skeleton.c USB: usb-skeleton: drop redundant in-urb check 2019-10-10 12:41:19 +02:00