niansa-misc/linux
1
0
Fork 0
mirror of synced 2025-03-06 20:59:54 +01:00
Code Issues Projects Releases Packages Wiki Activity

usb: dwc2: Add exit clock gating from session request interrupt

Browse source 
Added clock gating exit flow from session
request interrupt handler according programming guide.

Signed-off-by: Artur Petrosyan <Arthur.Petrosyan@synopsys.com>
Link: https://lore.kernel.org/r/20210413073638.921E8A0099@mailhost.synopsys.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Artur Petrosyan 2021-04-13 11:36:37 +04:00 • committed by Greg Kroah-Hartman
parent 5d240efddc
commit 9b4965d77e
1 changed files with 13 additions and 6 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

19
drivers/usb/dwc2/core_intr.c
View file

@ -316,12 +316,19 @@ static void dwc2_handle_session_req_intr(struct dwc2_hsotg *hsotg)
hsotg->lx_state); hsotg->lx_state);
if (dwc2_is_device_mode(hsotg)) { if (dwc2_is_device_mode(hsotg)) {
if (hsotg->lx_state == DWC2_L2 && hsotg->in_ppd) { if (hsotg->lx_state == DWC2_L2) {
ret = dwc2_exit_partial_power_down(hsotg, 0, if (hsotg->in_ppd) {
true); ret = dwc2_exit_partial_power_down(hsotg, 0,
if (ret) true);
dev_err(hsotg->dev, if (ret)
"exit power_down failed\n"); dev_err(hsotg->dev,
"exit power_down failed\n");
}
/* Exit gadget mode clock gating. */
if (hsotg->params.power_down ==
DWC2_POWER_DOWN_PARAM_NONE && hsotg->bus_suspended)
dwc2_gadget_exit_clock_gating(hsotg, 0);
} }
/* /*