From: ian <ian@FreeBSD.org>
Date: Sat, 10 Oct 2015 02:29:02 +0000 (+0000)
Subject: Translate iic hardware layer status values to errno return values.
X-Git-Url: http://xenbits.xensource.com/gitweb?a=commitdiff_plain;h=3a9c9f307e6487a1a4ad84c1186a1fc0885c4e3d;p=people%2Fjulieng%2Ffreebsd.git

Translate iic hardware layer status values to errno return values.
---

diff --git a/sys/dev/iicbus/icee.c b/sys/dev/iicbus/icee.c
index bb06aa36e110..2f6e923c72e3 100644
--- a/sys/dev/iicbus/icee.c
+++ b/sys/dev/iicbus/icee.c
@@ -180,8 +180,10 @@ icee_read(struct cdev *dev, struct uio *uio, int ioflag)
 		for (i = 0; i < 2; i++)
 			msgs[i].slave = slave;
 		error = iicbus_transfer(sc->sc_dev, msgs, 2);
-		if (error)
+		if (error) {
+			error = iic2errno(error);
 			break;
+		}
 		error = uiomove(data, len, uio);
 		if (error)
 			break;
@@ -239,16 +241,20 @@ icee_write(struct cdev *dev, struct uio *uio, int ioflag)
 		if (error)
 			break;
 		error = iicbus_transfer(sc->sc_dev, wr, 1);
-		if (error)
+		if (error) {
+			error = iic2errno(error);
 			break;
+		}
 		/* Read after write to wait for write-done. */
 		waitlimit = 10000;
 		rd[0].slave = slave;
 		do {
 			error = iicbus_transfer(sc->sc_dev, rd, 1);
 		} while (waitlimit-- > 0 && error != 0);
-		if (error)
+		if (error) {
+			error = iic2errno(error);
 			break;
+		}
 	}
 	ICEE_UNLOCK(sc);
 	return error;