| Message ID | 20210713055227.1142-3-linux.amoon@gmail.com |
|---|---|
| State | Superseded |
| Headers | show |
| Series | Meson-8b and Meson-gxbb Fix some missing code | expand |
On Tue, Jul 13, 2021 at 7:53 AM Anand Moon <linux.amoon@gmail.com> wrote: > > Power off the PHY by putting it into reset mode. > > Cc: Martin Blumenstingl <martin.blumenstingl@googlemail.com> > Signed-off-by: Anand Moon <linux.amoon@gmail.com> based on code from the vendor kernel [0] this gets my: Acked-by: Martin Blumenstingl <martin.blumenstingl@googlemail.com> [0] https://github.com/endlessm/linux-meson/blob/0672f0b61eb92ba63c91d858a678d2c3a0bba06a/drivers/amlogic/usb/dwc_otg/310/dwc_otg_attr.c#L706
diff --git a/drivers/phy/amlogic/phy-meson8b-usb2.c b/drivers/phy/amlogic/phy-meson8b-usb2.c index 03c061dd5f0d..2aad45c55494 100644 --- a/drivers/phy/amlogic/phy-meson8b-usb2.c +++ b/drivers/phy/amlogic/phy-meson8b-usb2.c @@ -219,6 +219,10 @@ static int phy_meson8b_usb2_power_off(struct phy *phy) clk_disable_unprepare(priv->clk_usb); clk_disable_unprepare(priv->clk_usb_general); + /* power off the PHY by putting it into reset mode */ + regmap_update_bits(priv->regmap, REG_CTRL, REG_CTRL_POWER_ON_RESET, + REG_CTRL_POWER_ON_RESET); + return 0; }
Power off the PHY by putting it into reset mode. Cc: Martin Blumenstingl <martin.blumenstingl@googlemail.com> Signed-off-by: Anand Moon <linux.amoon@gmail.com> --- Fix the commit message. rfc - Keep vendor driver sequence for the power on reset of usb phy [0] https://patchwork.kernel.org/project/linux-amlogic/patch/20210617194154.2397-8-linux.amoon@gmail.com/ --- drivers/phy/amlogic/phy-meson8b-usb2.c | 4 ++++ 1 file changed, 4 insertions(+)