usb: dwc3: Add dis_enblslpm_quirk
Add a quirk to clear the GUSB2PHYCFG.ENBLSLPM bit, which controls
whether the PHY receives the suspend signal from the controller.
Cc: <stable@vger.kernel.org> # v3.18+
Signed-off-by: John Youn <johnyoun@synopsys.com>
Signed-off-by: Felipe Balbi <balbi@ti.com>
diff --git a/drivers/usb/dwc3/core.h b/drivers/usb/dwc3/core.h
index 0d65be7..36f1cb7 100644
--- a/drivers/usb/dwc3/core.h
+++ b/drivers/usb/dwc3/core.h
@@ -179,6 +179,7 @@
#define DWC3_GUSB2PHYCFG_PHYSOFTRST (1 << 31)
#define DWC3_GUSB2PHYCFG_SUSPHY (1 << 6)
#define DWC3_GUSB2PHYCFG_ULPI_UTMI (1 << 4)
+#define DWC3_GUSB2PHYCFG_ENBLSLPM (1 << 8)
/* Global USB2 PHY Vendor Control Register */
#define DWC3_GUSB2PHYACC_NEWREGREQ (1 << 25)
@@ -720,6 +721,8 @@
* @rx_detect_poll_quirk: set if we enable rx_detect to polling lfps quirk
* @dis_u3_susphy_quirk: set if we disable usb3 suspend phy
* @dis_u2_susphy_quirk: set if we disable usb2 suspend phy
+ * @dis_enblslpm_quirk: set if we clear enblslpm in GUSB2PHYCFG,
+ * disabling the suspend signal to the PHY.
* @tx_de_emphasis_quirk: set if we enable Tx de-emphasis quirk
* @tx_de_emphasis: Tx de-emphasis value
* 0 - -6dB de-emphasis
@@ -864,6 +867,7 @@
unsigned rx_detect_poll_quirk:1;
unsigned dis_u3_susphy_quirk:1;
unsigned dis_u2_susphy_quirk:1;
+ unsigned dis_enblslpm_quirk:1;
unsigned tx_de_emphasis_quirk:1;
unsigned tx_de_emphasis:2;