[PATCH v3 4/7] USB: gadget: s3c-hsotg: add DAINT masking

[Robert Baldyga]

In OEPInt/IEPInt interrupts handling added bitwise and of DAINT and
DAINTMSK, because we should handle masked interrupts only.

Signed-off-by: Robert Baldyga <r.baldyga@xxxxxxxxxxx>
Signed-off-by: Kyungmin Park <kyungmin.park@xxxxxxxxxxx>
---
 drivers/usb/gadget/s3c-hsotg.c |    8 ++++++--
 1 file changed, 6 insertions(+), 2 deletions(-)

diff --git a/drivers/usb/gadget/s3c-hsotg.c b/drivers/usb/gadget/s3c-hsotg.c
index 3024685d..e32f868 100644
--- a/drivers/usb/gadget/s3c-hsotg.c
+++ b/drivers/usb/gadget/s3c-hsotg.c
@@ -2398,10 +2398,14 @@ irq_retry:
 
 	if (gintsts & (GINTSTS_OEPInt | GINTSTS_IEPInt)) {
 		u32 daint = readl(hsotg->regs + DAINT);
-		u32 daint_out = daint >> DAINT_OutEP_SHIFT;
-		u32 daint_in = daint & ~(daint_out << DAINT_OutEP_SHIFT);
+		u32 daintmsk = readl(hsotg->regs + DAINTMSK);
+		u32 daint_out, daint_in;
 		int ep;
 
+		daint &= daintmsk;
+		daint_out = daint >> DAINT_OutEP_SHIFT;
+		daint_in = daint & ~(daint_out << DAINT_OutEP_SHIFT);
+
 		dev_dbg(hsotg->dev, "%s: daint=%08x\n", __func__, daint);
 
 		for (ep = 0; ep < 15 && daint_out; ep++, daint_out >>= 1) {
-- 
1.7.9.5

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