From f7e99e65663b5f71f16e68c7252cc4fac9d2dcbc Mon Sep 17 00:00:00 2001
From: rodrigc <rodrigc@ccf9f872-aa2e-dd11-9fc8-001c23d0bc1f>
Date: Mon, 23 Jun 2014 22:31:28 +0000
Subject: [PATCH] MFC r263795:

Strict value checking will cause problem.
Bay trail DN2820FYKH is supported on Linux but does not work on FreeBSD.
This behaviour is bug-compatible with Linux-3.13.5.

References:
http://d.hatena.ne.jp/syuu1228/20140326
http://lxr.linux.no/linux+v3.13.5/arch/x86/kernel/acpi/boot.c#L1094

Submitted by: syuu
PR: 187966


git-svn-id: svn://svn.freebsd.org/base/stable/10@267807 ccf9f872-aa2e-dd11-9fc8-001c23d0bc1f
---
 sbin/mount_nullfs/mount_nullfs.c | 13 ++++++++++---
 sys/x86/acpica/madt.c            | 12 ++++++++----
 2 files changed, 18 insertions(+), 7 deletions(-)

diff --git a/sbin/mount_nullfs/mount_nullfs.c b/sbin/mount_nullfs/mount_nullfs.c
index e08599fca..e92680b09 100644
--- a/sbin/mount_nullfs/mount_nullfs.c
+++ b/sbin/mount_nullfs/mount_nullfs.c
@@ -103,18 +103,25 @@ main(int argc, char *argv[])
 		err(EX_USAGE, "%s", source);
 
 	if (subdir(target, source) || subdir(source, target))
-		errx(EX_USAGE, "%s (%s) and %s are not distinct paths",
+		errx(EX_USAGE, "%s (%s) and %s are not lldistinct paths",
 		    argv[0], target, argv[1]);
 
+	printf("Debug: 1\n");
 	build_iovec(&iov, &iovlen, "fstype", nullfs, (size_t)-1);
 	build_iovec(&iov, &iovlen, "fspath", source, (size_t)-1);
 	build_iovec(&iov, &iovlen, "target", target, (size_t)-1);
 	build_iovec(&iov, &iovlen, "errmsg", errmsg, sizeof(errmsg));
+	printf("Debug: 2, source: %zd target: %zdd\n", strlen(source), strlen(target));
 	if (nmount(iov, iovlen, 0) < 0) {
-		if (errmsg[0] != 0)
+	printf("Debug: 3\n");
+		if (errmsg[0] != 0) {
+                        printf("Debug 4\n");
 			err(1, "%s: %s", source, errmsg);
-		else
+                }  
+		else {
+                        printf("Debug 5\n");
 			err(1, "%s", source);
+                 }
 	}
 	exit(0);
 }
diff --git a/sys/x86/acpica/madt.c b/sys/x86/acpica/madt.c
index 41237ff52..ef36276ff 100644
--- a/sys/x86/acpica/madt.c
+++ b/sys/x86/acpica/madt.c
@@ -306,10 +306,11 @@ interrupt_polarity(UINT16 IntiFlags, UINT8 Source)
 	case ACPI_MADT_POLARITY_ACTIVE_HIGH:
 		return (INTR_POLARITY_HIGH);
 	case ACPI_MADT_POLARITY_ACTIVE_LOW:
-		return (INTR_POLARITY_LOW);
+		break;
 	default:
-		panic("Bogus Interrupt Polarity");
+		printf("WARNING: Bogus Interrupt Polarity. Assume POLALITY LOW");
 	}
+	return (INTR_POLARITY_LOW);
 }
 
 static enum intr_trigger
@@ -325,10 +326,13 @@ interrupt_trigger(UINT16 IntiFlags, UINT8 Source)
 	case ACPI_MADT_TRIGGER_EDGE:
 		return (INTR_TRIGGER_EDGE);
 	case ACPI_MADT_TRIGGER_LEVEL:
-		return (INTR_TRIGGER_LEVEL);
+		break;
 	default:
-		panic("Bogus Interrupt Trigger Mode");
+		printf("WARNING: Bogus Interrupt Trigger Mode. Assume Level trigger.");
+		
+		break;
 	}
+	return (INTR_TRIGGER_LEVEL);
 }
 
 /*
-- 
2.45.0