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authorSevak Arakelyan <sevaka@synopsys.com>2018-01-24 16:43:06 +0300
committerFelipe Balbi <felipe.balbi@linux.intel.com>2018-03-13 11:47:48 +0300
commit376f04015944785d0634a288c9e1d1adb4439162 (patch)
tree15fc7b69708bfab474a894bcc2417d11c52ee46b /drivers/usb/dwc2
parentd2521849d695a2c1f849611f39349faa70eed85f (diff)
downloadlinux-376f04015944785d0634a288c9e1d1adb4439162.tar.xz
usb: dwc2: Enable LPM Transaction Received interrupt
Enable "LPM Transaction Received" interrupt for receive an interrupt when host will send LPM token. Signed-off-by: Sevak Arakelyan <sevaka@synopsys.com> Signed-off-by: Grigor Tovmasyan <tovmasya@synopsys.com> Signed-off-by: Felipe Balbi <felipe.balbi@linux.intel.com>
Diffstat (limited to 'drivers/usb/dwc2')
-rw-r--r--drivers/usb/dwc2/core_intr.c5
-rw-r--r--drivers/usb/dwc2/gadget.c3
-rw-r--r--drivers/usb/dwc2/hcd.c3
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 47b098380f10..ddfe6a94a12a 100644
--- a/drivers/usb/dwc2/gadget.c
+++ b/drivers/usb/dwc2/gadget.c
@@ -3266,7 +3266,8 @@ 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 edcc9058274a..bbd3185a7364 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);
}