diff options
| author | Minas Harutyunyan <Minas.Harutyunyan@synopsys.com> | 2024-03-13 12:19:42 +0300 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2024-03-26 12:44:53 +0300 |
| commit | 7fd22e5bcaa5b1224fe3fb2196c26f1a14e843ff (patch) | |
| tree | fa41778d034573d962c07785f2671319eb24ef98 /drivers/usb/dwc2/gadget.c | |
| parent | bc5d81b8012ce51e0ed137500d92c6b146e45732 (diff) | |
| download | linux-7fd22e5bcaa5b1224fe3fb2196c26f1a14e843ff.tar.xz | |
usb: dwc2: Add eUSB2 PHY disconnect flow support
To support eUSB2 PHY disconnect flow required in Soft disconnect
state set GOTGCTL_EUSB2_DISC_SUPP bit, if applicable.
On Session End Detected interrupt clear PCGCTL_GATEHCLK and
PCGCTL_STOPPCLK bits if eusb2_disc parameter true.
Signed-off-by: Minas Harutyunyan <Minas.Harutyunyan@synopsys.com>
Link: https://lore.kernel.org/r/9d50b83df693cda8c391313e90048df8dd611c04.1708948356.git.Minas.Harutyunyan@synopsys.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/usb/dwc2/gadget.c')
| -rw-r--r-- | drivers/usb/dwc2/gadget.c | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/drivers/usb/dwc2/gadget.c b/drivers/usb/dwc2/gadget.c index b517a7216de2..680737d471c1 100644 --- a/drivers/usb/dwc2/gadget.c +++ b/drivers/usb/dwc2/gadget.c @@ -3420,8 +3420,11 @@ void dwc2_hsotg_core_init_disconnected(struct dwc2_hsotg *hsotg, dwc2_hsotg_init_fifo(hsotg); - if (!is_usb_reset) + if (!is_usb_reset) { dwc2_set_bit(hsotg, DCTL, DCTL_SFTDISCON); + if (hsotg->params.eusb2_disc) + dwc2_set_bit(hsotg, GOTGCTL, GOTGCTL_EUSB2_DISC_SUPP); + } dcfg |= DCFG_EPMISCNT(1); |