[patch] usb: dwc3: gadget: fix mask and shift order in DWC3_DCFG_NUMP()

From: Dan Carpenter
Date: Tue May 03 2016 - 03:49:22 EST


In the original DWC3_DCFG_NUMP() was always zero. It looks like the
intent was to shift first and then do the mask.

Fixes: 2a58f9c12bb3 ('usb: dwc3: gadget: disable automatic calculation of ACK TP NUMP')
Signed-off-by: Dan Carpenter <dan.carpenter@xxxxxxxxxx>

diff --git a/drivers/usb/dwc3/core.h b/drivers/usb/dwc3/core.h
index 186a886..7ddf944 100644
--- a/drivers/usb/dwc3/core.h
+++ b/drivers/usb/dwc3/core.h
@@ -277,7 +277,7 @@
#define DWC3_DCFG_FULLSPEED1 (3 << 0)

#define DWC3_DCFG_NUMP_SHIFT 17
-#define DWC3_DCFG_NUMP(n) (((n) & 0x1f) >> DWC3_DCFG_NUMP_SHIFT)
+#define DWC3_DCFG_NUMP(n) (((n) >> DWC3_DCFG_NUMP_SHIFT) & 0x1f)
#define DWC3_DCFG_NUMP_MASK (0x1f << DWC3_DCFG_NUMP_SHIFT)
#define DWC3_DCFG_LPM_CAP (1 << 22)