mirror_ubuntu-kernels/drivers/usb/dwc2
Artur Petrosyan 113f86d0c3 usb: dwc2: Update partial power down entering by system suspend
With current implementation the port power is being disabled,
which is not required by the programming guide. Also, if there
is a system which works only in "DWC2_POWER_DOWN_PARAM_NONE"
(clock gating) mode the current implementation does not set
Gate hclk bit in pcgctl register.

Rearranges and updates the implementation of entering to partial
power down power saving mode when PC is suspended to get
rid of many "if" statements and removes disabling of port power.

NOTE: Switch case statement is used for hibernation partial
power down and clock gating mode determination. In this patch
only Partial Power Down is implemented the Hibernation and
clock gating implementations are planned to be added.

Acked-by: Minas Harutyunyan <Minas.Harutyunyan@synopsys.com>
Signed-off-by: Artur Petrosyan <Arthur.Petrosyan@synopsys.com>
Link: https://lore.kernel.org/r/20210408094559.33541A022E@mailhost.synopsys.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2021-04-09 15:16:39 +02:00
..
core_intr.c usb: dwc2: Fix session request interrupt handler 2021-04-09 15:16:38 +02:00
core.c usb: dwc2: Update enter and exit partial power down functions 2021-04-09 15:16:38 +02:00
core.h usb: dwc2: Add exit partial power down when port is resumed 2021-04-09 15:16:38 +02:00
debug.h USB: dwc2: Use the correct style for SPDX License Identifier 2020-05-05 10:58:50 +03:00
debugfs.c usb: dwc2: Add STM32 related debugfs entries 2021-03-10 09:37:15 +01:00
drd.c usb: dwc2: override PHY input signals with usb role switch support 2020-10-02 13:29:13 +03:00
gadget.c usb: dwc2: Update enter and exit partial power down functions 2021-04-09 15:16:38 +02:00
hcd_ddma.c usb: dwc2: Modify dwc2_readl/writel functions prototype 2018-07-30 10:39:16 +03:00
hcd_intr.c usb: dwc2: Make "trimming xfer length" a debug message 2021-01-26 18:42:15 +01:00
hcd_queue.c usb: dwc2: add parenthess and space around * 2021-04-02 15:39:59 +02:00
hcd.c usb: dwc2: Update partial power down entering by system suspend 2021-04-09 15:16:39 +02:00
hcd.h USB: dwc2: Use the correct style for SPDX License Identifier 2020-05-05 10:58:50 +03:00
hw.h usb: dwc2: Update enter and exit partial power down functions 2021-04-09 15:16:38 +02:00
Kconfig usb: dwc2: override PHY input signals with usb role switch support 2020-10-02 13:29:13 +03:00
Makefile usb: dwc2: override PHY input signals with usb role switch support 2020-10-02 13:29:13 +03:00
params.c usb: dwc2: disable Link Power Management on STM32MP15 HS OTG 2021-01-12 12:54:42 +01:00
pci.c usb: dwc2: pci: Drop the empty quirk function 2021-02-04 15:40:19 +01:00
platform.c usb: dwc2: Avoid leaving the error_debugfs label unused 2020-10-27 11:33:53 +02:00