From: Sevak Arakelyan <sev...@synopsys.com>
Enable "LPM Transaction Received" interrupt for receive an
interrupt when host will send LPM token.
Signed-off-by: Sevak Arakelyan <sev...@synopsys.com>
Signed-off-by: Grigor Tovmasyan <tovma...@synopsys.com>
---
drivers/usb/dwc2/core_intr.c | 5 +++--
drivers/usb/dwc2/gadget.c | 3 ++-
drivers/usb/dwc2/hcd.c | 3 +++
3 files changed, 8 insertions(+), 3 deletions(-)
diff --git a/drivers/usb/dwc2/core_intr.c b/drivers/usb/dwc2/core_intr.c
index 5ad3c9df85f5..23599e798e24 100644
--- a/drivers/usb/dwc2/core_intr.c
+++ b/drivers/usb/dwc2/core_intr.c
@@ -560,7 +560,7 @@ static void dwc2_handle_lpm_intr(struct dwc2_hsotg *hsotg)
hird_thres = (glpmcfg & GLPMCFG_HIRD_THRES_MASK &
~GLPMCFG_HIRD_THRES_EN) >> GLPMCFG_HIRD_THRES_SHIFT;
hird_thres_en = glpmcfg & GLPMCFG_HIRD_THRES_EN;
- enslpm = glpmcfg & GLPMCFG_SNDLPM;
+ enslpm = glpmcfg & GLPMCFG_ENBLSLPM;
if (dwc2_is_device_mode(hsotg)) {
dev_dbg(hsotg->dev, "HIRD_THRES_EN = %d\n", hird_thres_en);
@@ -595,7 +595,8 @@ static void dwc2_handle_lpm_intr(struct dwc2_hsotg *hsotg)
#define GINTMSK_COMMON (GINTSTS_WKUPINT | GINTSTS_SESSREQINT | \
GINTSTS_CONIDSTSCHNG | GINTSTS_OTGINT | \
GINTSTS_MODEMIS | GINTSTS_DISCONNINT | \
- GINTSTS_USBSUSP | GINTSTS_PRTINT)
+ GINTSTS_USBSUSP | GINTSTS_PRTINT | \
+ GINTSTS_LPMTRANRCVD)
/*
* This function returns the Core Interrupt register
diff --git a/drivers/usb/dwc2/gadget.c b/drivers/usb/dwc2/gadget.c
index 0c10eff8a3df..bb5eee5ba04f 100644
--- a/drivers/usb/dwc2/gadget.c
+++ b/drivers/usb/dwc2/gadget.c
@@ -3304,7 +3304,8 @@ void dwc2_hsotg_core_init_disconnected(struct dwc2_hsotg
*hsotg,
GINTSTS_GOUTNAKEFF | GINTSTS_GINNAKEFF |
GINTSTS_USBRST | GINTSTS_RESETDET |
GINTSTS_ENUMDONE | GINTSTS_OTGINT |
- GINTSTS_USBSUSP | GINTSTS_WKUPINT;
+ GINTSTS_USBSUSP | GINTSTS_WKUPINT |
+ GINTSTS_LPMTRANRCVD;
if (!using_desc_dma(hsotg))
intmsk |= GINTSTS_INCOMPL_SOIN | GINTSTS_INCOMPL_SOOUT;
diff --git a/drivers/usb/dwc2/hcd.c b/drivers/usb/dwc2/hcd.c
index 5f044df6026c..ea8f87f813aa 100644
--- a/drivers/usb/dwc2/hcd.c
+++ b/drivers/usb/dwc2/hcd.c
@@ -91,6 +91,9 @@ static void dwc2_enable_common_interrupts(struct dwc2_hsotg
*hsotg)
intmsk |= GINTSTS_WKUPINT | GINTSTS_USBSUSP |
GINTSTS_SESSREQINT;
+ if (dwc2_is_device_mode(hsotg) && hsotg->params.lpm)
+ intmsk |= GINTSTS_LPMTRANRCVD;
+
dwc2_writel(intmsk, hsotg->regs + GINTMSK);
}
--
2.11.0
--
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