[PATCH] Staging: octeon: Apply Licence and resolves warnings according to TODO list. There are also a few "checks" that probably should revised but i think most of them could be resolved by breaking down cvmx_usb_poll_channel()

[Georgios Tsotsos <tsotsos@gmail.com>]

Signed-off-by: Georgios Tsotsos <tsotsos@gmail.com>
---
 drivers/staging/octeon-usb/octeon-hcd.c | 55 ++++++++++++++++++---------------
 drivers/staging/octeon-usb/octeon-hcd.h |  1 +
 2 files changed, 31 insertions(+), 25 deletions(-)

diff --git a/drivers/staging/octeon-usb/octeon-hcd.c b/drivers/staging/octeon-usb/octeon-hcd.c
index cded30f145aa..472ad5917ad2 100644
--- a/drivers/staging/octeon-usb/octeon-hcd.c
+++ b/drivers/staging/octeon-usb/octeon-hcd.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * This file is subject to the terms and conditions of the GNU General Public
  * License.  See the file "COPYING" in the main directory of this archive
@@ -377,27 +378,29 @@ struct octeon_hcd {
 };
 
 /* This macro spins on a register waiting for it to reach a condition. */
-#define CVMX_WAIT_FOR_FIELD32(address, _union, cond, timeout_usec)	    \
-	({int result;							    \
-	do {								    \
-		u64 done = cvmx_get_cycle() + (u64)timeout_usec *	    \
-			   octeon_get_clock_rate() / 1000000;		    \
-		union _union c;						    \
-									    \
-		while (1) {						    \
-			c.u32 = cvmx_usb_read_csr32(usb, address);	    \
-									    \
-			if (cond) {					    \
-				result = 0;				    \
-				break;					    \
-			} else if (cvmx_get_cycle() > done) {		    \
-				result = -1;				    \
-				break;					    \
-			} else						    \
-				__delay(100);				    \
-		}							    \
-	} while (0);							    \
-	result; })
+#define CVMX_WAIT_FOR_FIELD32(address, _union, cond, timeout_usec)	\
+({									\
+	int result;							\
+	do {								\
+		u64 done = cvmx_get_cycle() + (u64)(timeout_usec) *	\
+			   octeon_get_clock_rate() / 1000000;		\
+		union _union c;						\
+									\
+		while (1) {						\
+			c.u32 = cvmx_usb_read_csr32(usb, address);	\
+									\
+			if (cond) {					\
+				result = 0;				\
+				break;					\
+			} else if (cvmx_get_cycle() > done) {		\
+				result = -1;				\
+				break;					\
+			} else						\
+				__delay(100);				\
+		}							\
+	} while (0);							\
+	result;								\
+})
 
 /*
  * This macro logically sets a single field in a CSR. It does the sequence
@@ -2636,12 +2639,14 @@ static int cvmx_usb_poll_channel(struct octeon_hcd *usb, int channel)
 				hcintmsk.u32 = 0;
 				hcintmsk.s.chhltdmsk = 1;
 				cvmx_usb_write_csr32(usb,
-						     CVMX_USBCX_HCINTMSKX(channel, usb->index),
-						     hcintmsk.u32);
+						CVMX_USBCX_HCINTMSKX(channel,
+						usb->index),
+						hcintmsk.u32);
 				usbc_hcchar.s.chdis = 1;
 				cvmx_usb_write_csr32(usb,
-						     CVMX_USBCX_HCCHARX(channel, usb->index),
-						     usbc_hcchar.u32);
+						CVMX_USBCX_HCCHARX(channel,
+						usb->index),
+						usbc_hcchar.u32);
 				return 0;
 			} else if (usbc_hcint.s.xfercompl) {
 				/*
diff --git a/drivers/staging/octeon-usb/octeon-hcd.h b/drivers/staging/octeon-usb/octeon-hcd.h
index 3353aefe662e..769c36cf6614 100644
--- a/drivers/staging/octeon-usb/octeon-hcd.h
+++ b/drivers/staging/octeon-usb/octeon-hcd.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * Octeon HCD hardware register definitions.
  *
-- 
2.16.4