AuxXxilium/linux_dsm_epyc7002
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eb002726fa
linux_dsm_epyc7002/drivers/usb/host
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Kai-Heng Feng eb002726fa xhci: Ensure link state is U3 after setting USB_SS_PORT_LS_U3 
The xHCI spec doesn't specify the upper bound of U3 transition time. For
some devices 20ms is not enough, so we need to make sure the link state
is in U3 before further actions.

I've tried to use U3 Entry Capability by setting U3 Entry Enable in
config register, however the port change event for U3 transition
interrupts the system suspend process.

For now let's use the less ideal method by polling PLS.

[use usleep_range(), and shorten the delay time while polling -Mathias]
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/20200312144517.1593-7-mathias.nyman@linux.intel.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2020-03-12 17:34:48 +01:00
..
bcma-hcd.c USB: bcma: Add a check for devm_gpiod_get 2019-11-04 15:50:38 +01:00
ehci-atmel.c usb: Remove dev_err() usage after platform_get_irq() 2019-07-30 20:29:18 +02:00
ehci-dbg.c
ehci-exynos.c usb: exynos: Rename Samsung and Exynos to lowercase 2020-01-09 10:53:38 +01:00
ehci-fsl.c usb: host: Stops USB controller init if PLL fails to lock 2019-07-03 18:52:20 +02:00
ehci-fsl.h usb: phy: Workaround for USB erratum-A005728 2019-07-03 18:52:20 +02:00
ehci-grlib.c usb: add a HCD_DMA flag instead of guestimating DMA capabilities 2019-08-21 10:03:35 -07:00
ehci-hcd.c usb: add a HCD_DMA flag instead of guestimating DMA capabilities 2019-08-21 10:03:35 -07:00
ehci-hub.c
ehci-mem.c
ehci-mv.c USB: EHCI: ehci-mv: use a unique bus name 2020-03-12 09:49:29 +01:00
ehci-mxc.c
ehci-npcm7xx.c
ehci-omap.c usb: Remove dev_err() usage after platform_get_irq() 2019-07-30 20:29:18 +02:00
ehci-orion.c usb: Remove dev_err() usage after platform_get_irq() 2019-07-30 20:29:18 +02:00
ehci-pci.c usb: host: ehci-pci: remove useless cast for driver.name 2020-02-19 11:10:27 +01:00
ehci-platform.c usb: host: ehci-platform: add a quirk to avoid stuck 2020-02-10 11:15:27 -08:00
ehci-pmcmsp.c remove ioremap_nocache and devm_ioremap_nocache 2020-01-06 09:45:59 +01:00
ehci-ppc-of.c usb: add a HCD_DMA flag instead of guestimating DMA capabilities 2019-08-21 10:03:35 -07:00
ehci-ps3.c usb: add a HCD_DMA flag instead of guestimating DMA capabilities 2019-08-21 10:03:35 -07:00
ehci-q.c USB: EHCI: Do not return -EPIPE when hub is disconnected 2019-12-17 16:02:49 +01:00
ehci-sched.c
ehci-sh.c usb: host: ehci-sh: Remove unused platform data support 2019-12-10 11:34:27 +01:00
ehci-spear.c
ehci-st.c usb: Remove dev_err() usage after platform_get_irq() 2019-07-30 20:29:18 +02:00
ehci-sysfs.c
ehci-tegra.c USB: Replace zero-length array with flexible-array member 2020-02-23 19:24:51 +01:00
ehci-timer.c
ehci-xilinx-of.c usb: add a HCD_DMA flag instead of guestimating DMA capabilities 2019-08-21 10:03:35 -07:00
ehci.h USB: Replace zero-length array with flexible-array member 2020-02-23 19:24:51 +01:00
fhci-dbg.c
fhci-hcd.c usb: host: fhci-hcd: annotate PIPE_CONTROL switch case with fallthrough 2020-02-19 11:08:52 +01:00
fhci-hub.c
fhci-mem.c
fhci-q.c
fhci-sched.c usb: host: use usb_endpoint_maxp instead of usb_maxpacket 2019-04-19 14:23:34 +02:00
fhci-tds.c
fhci.h
fotg210-hcd.c usb: host: fotg210: add missed clk_put calls 2019-11-04 15:53:02 +01:00
fotg210.h USB: Replace zero-length array with flexible-array member 2020-02-23 19:24:51 +01:00
fsl-mph-dr-of.c usb :fsl: Change string format for errata property 2019-07-03 18:52:20 +02:00
imx21-dbg.c usb: host: imx21: create debugfs directory under usb root 2019-11-14 11:14:54 +08:00
imx21-hcd.c usb: add a HCD_DMA flag instead of guestimating DMA capabilities 2019-08-21 10:03:35 -07:00
imx21-hcd.h
isp116x-hcd.c usb: add a HCD_DMA flag instead of guestimating DMA capabilities 2019-08-21 10:03:35 -07:00
isp116x.h
isp1362-hcd.c usb: isp1362-hcd: use devm_platform_ioremap_resource() to simplify code 2019-10-04 14:09:40 +02:00
isp1362.h usb: isp1362: Spelling s/eclusive/exclusive/ 2019-06-18 08:51:28 +02:00
Kconfig usb: exynos: Rename Samsung and Exynos to lowercase 2020-01-09 10:53:38 +01:00
Makefile usb: remove ehci-w90x900 driver 2019-08-10 09:28:28 +02:00
max3421-hcd.c usb/max3421: remove the dummy {un,}map_urb_for_dma methods 2019-08-21 10:07:25 -07:00
ohci-at91.c USB: host: ohci-at91: Remove unused variable regs in at91_stop_hc 2019-10-15 20:01:59 +02:00
ohci-da8xx.c usb: ohci-da8xx: ensure error return on variable error is set 2020-01-08 17:34:18 +01:00
ohci-dbg.c
ohci-exynos.c usb: exynos: Rename Samsung and Exynos to lowercase 2020-01-09 10:53:38 +01:00
ohci-hcd.c Merge 5.3-rc7 into usb-next 2019-09-02 19:31:18 +02:00
ohci-hub.c
ohci-mem.c usb: host: Fix excessive alignment restriction for local memory allocations 2019-06-28 07:57:07 +02:00
ohci-nxp.c usb: ohci-nxp: fix use of integer as pointer 2019-11-04 15:50:38 +01:00
ohci-omap.c
ohci-pci.c usb: host: ohci-pci: remove useless cast for driver.name 2020-02-19 11:10:27 +01:00
ohci-platform.c usb: Remove dev_err() usage after platform_get_irq() 2019-07-30 20:29:18 +02:00
ohci-ppc-of.c usb: add a HCD_DMA flag instead of guestimating DMA capabilities 2019-08-21 10:03:35 -07:00
ohci-ps3.c usb: add a HCD_DMA flag instead of guestimating DMA capabilities 2019-08-21 10:03:35 -07:00
ohci-pxa27x.c usb: host: ohci-pxa27x: Fix and & vs | typo 2019-08-21 09:59:30 -07:00
ohci-q.c
ohci-s3c2410.c usb: ohci-s3c2410: Remove set but not used variable 'hcd' 2019-06-03 15:21:57 +02:00
ohci-sa1111.c usb: add a HCD_DMA flag instead of guestimating DMA capabilities 2019-08-21 10:03:35 -07:00
ohci-sm501.c usb/ohci-sm501: remove the HCD_DMA flag 2019-09-03 15:25:52 +02:00
ohci-spear.c USB: ohci-spear: Remove set but not used variable 'ohci' 2019-06-03 15:21:57 +02:00
ohci-st.c usb: Remove dev_err() usage after platform_get_irq() 2019-07-30 20:29:18 +02:00
ohci-tmio.c usb/ohci-tmio: remove the HCD_DMA flag 2019-09-03 15:26:05 +02:00
ohci.h USB: Replace zero-length array with flexible-array member 2020-02-23 19:24:51 +01:00
oxu210hp-hcd.c usb: host: oxu210hp-hcd: fix gcc warning 2020-01-08 16:58:36 +01:00
pci-quirks.c remove ioremap_nocache and devm_ioremap_nocache 2020-01-06 09:45:59 +01:00
pci-quirks.h usb: pci-quirks: Minor cleanup for AMD PLL quirk 2019-07-25 10:40:02 +02:00
r8a66597-hcd.c usb: add a HCD_DMA flag instead of guestimating DMA capabilities 2019-08-21 10:03:35 -07:00
r8a66597.h
sl811_cs.c
sl811-hcd.c usb: host: sl811-hcd: remove useless cast for driver.name 2020-02-19 11:10:27 +01:00
sl811.h
ssb-hcd.c
u132-hcd.c usb: host: u132-hcd: fix spelling mistake "overcurren" -> "overcurrent" 2019-10-04 14:09:41 +02:00
uhci-debug.c
uhci-grlib.c usb: add a HCD_DMA flag instead of guestimating DMA capabilities 2019-08-21 10:03:35 -07:00
uhci-hcd.c USB: drop HCD_LOCAL_MEM flag 2019-06-03 16:00:08 +02:00
uhci-hcd.h
uhci-hub.c
uhci-pci.c usb: host: uhci-pci: remove useless cast for driver.name 2020-02-19 11:10:27 +01:00
uhci-platform.c usb: add a HCD_DMA flag instead of guestimating DMA capabilities 2019-08-21 10:03:35 -07:00
uhci-q.c
xhci-dbg.c
xhci-dbgcap.c usb: host: Remove call to memset after dma_alloc_coherent 2019-07-25 11:10:54 +02:00
xhci-dbgcap.h
xhci-dbgtty.c usb: xhci: dbc: Use GFP_KERNEL instead of GFP_ATOMIC in 'xhci_dbc_alloc_requests()' 2019-09-03 15:49:11 +02:00
xhci-debugfs.c usb: xhci: fix __le32/__le64 accessors in debugfs code 2019-10-28 17:47:08 +01:00
xhci-debugfs.h usb: xhci: remove unused member 'parent' in xhci_regset struct 2019-02-20 20:18:23 +01:00
xhci-ext-caps.c xhci-ext-caps.c: Add missing platform_device_put() on error in xhci_create_intel_xhci_sw_pdev() 2019-10-04 14:37:53 +02:00
xhci-ext-caps.h
xhci-histb.c
xhci-hub.c xhci: Ensure link state is U3 after setting USB_SS_PORT_LS_U3 2020-03-12 17:34:48 +01:00
xhci-mem.c xhci: Fix memory leak when caching protocol extended capability PSI tables - take 2 2020-02-12 09:51:09 -08:00
xhci-mtk-sch.c
xhci-mtk.c usb: mtk-xhci: Do not explicitly set the DMA mask 2019-12-30 20:11:31 +01:00
xhci-mtk.h USB: Replace zero-length array with flexible-array member 2020-02-23 19:24:51 +01:00
xhci-mvebu.c usb: host: xhci: mvebu: add reset on resume quirk 2019-01-30 09:22:35 +01:00
xhci-mvebu.h usb: host: xhci: mvebu: add reset on resume quirk 2019-01-30 09:22:35 +01:00
xhci-pci.c usb: xhci: Enable LPM for VIA LABS VL805 2020-03-12 17:34:48 +01:00
xhci-plat.c usb: host: xhci-rcar: Add a helper macro to set xhci_plat_priv 2019-09-03 15:53:11 +02:00
xhci-plat.h usb: host: xhci-plat: add quirks member into struct xhci_plat_priv 2019-09-03 15:53:11 +02:00
xhci-rcar.c usb: host: xhci-rcar: Use xhci_plat_priv.quirks instead of code settings 2019-09-03 15:53:27 +02:00
xhci-rcar.h usb: host: xhci-rcar: Use xhci_plat_priv.quirks instead of code settings 2019-09-03 15:53:27 +02:00
xhci-ring.c xhci: Show host status when watchdog triggers and host is assumed dead. 2020-03-12 17:34:48 +01:00
xhci-tegra.c usb: host: xhci-tegra: Tegra186/Tegra194 LPM 2020-03-12 17:34:48 +01:00
xhci-trace.c
xhci-trace.h xhci: Do not open code __print_symbolic() in xhci trace events 2020-02-17 10:39:11 +01:00
xhci.c xhci: bail out early if driver can't accress host in resume 2020-03-12 17:34:48 +01:00
xhci.h xhci: Show host status when watchdog triggers and host is assumed dead. 2020-03-12 17:34:48 +01:00