X-Git-Url: https://git.openpandora.org/cgi-bin/gitweb.cgi?p=pandora-kernel.git;a=blobdiff_plain;f=arch%2Fpowerpc%2Fplatforms%2Fpseries%2Fhvconsole.c;h=a72a987f1d4d4364b7b512a62821ab39dc4d7d9f;hp=138e128a3886b851d43c50fe1747aaadd6a57172;hb=b3899c6613160b18f79e4356184de55311302fe4;hpb=77ed78e5cf32be1c3fae5c477cc1d78e2e3f17db

diff --git a/arch/powerpc/platforms/pseries/hvconsole.c b/arch/powerpc/platforms/pseries/hvconsole.c
index 138e128a3886..a72a987f1d4d 100644
--- a/arch/powerpc/platforms/pseries/hvconsole.c
+++ b/arch/powerpc/platforms/pseries/hvconsole.c
@@ -41,7 +41,7 @@ int hvc_get_chars(uint32_t vtermno, char *buf, int count)
 	unsigned long got;
 
 	if (plpar_hcall(H_GET_TERM_CHAR, vtermno, 0, 0, 0, &got,
-		(unsigned long *)buf, (unsigned long *)buf+1) == H_Success)
+		(unsigned long *)buf, (unsigned long *)buf+1) == H_SUCCESS)
 		return got;
 	return 0;
 }
@@ -62,11 +62,16 @@ int hvc_put_chars(uint32_t vtermno, const char *buf, int count)
 	unsigned long *lbuf = (unsigned long *) buf;
 	long ret;
 
+
+	/* hcall will ret H_PARAMETER if 'count' exceeds firmware max.*/
+	if (count > MAX_VIO_PUT_CHARS)
+		count = MAX_VIO_PUT_CHARS;
+
 	ret = plpar_hcall_norets(H_PUT_TERM_CHAR, vtermno, count, lbuf[0],
 				 lbuf[1]);
-	if (ret == H_Success)
+	if (ret == H_SUCCESS)
 		return count;
-	if (ret == H_Busy)
+	if (ret == H_BUSY)
 		return 0;
 	return -EIO;
 }