linux-kernel - Please pull git390 'for-linus' branch

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Message-ID: <20061228103959.GC6270@skybase>
Date:	Thu, 28 Dec 2006 11:39:59 +0100
From:	Martin Schwidefsky <schwidefsky@...ibm.com>
To:	torvalds@...l.org
Cc:	linux-kernel@...r.kernel.org
Subject: Please pull git390 'for-linus' branch

Please pull from 'for-linus' branch of

	git://git390.osdl.marist.edu/pub/scm/linux-2.6.git for-linus

to receive the following updates:

 drivers/s390/char/monwriter.c |    2 +-
 drivers/s390/cio/cio.c        |   13 ++++++++++---
 2 files changed, 11 insertions(+), 4 deletions(-)

Melissa Howland (1):
      [S390] Change max. buffer size for monwriter device.

Michael Holzheu (1):
      [S390] cio: fix stsch_reset.

diff --git a/drivers/s390/char/monwriter.c b/drivers/s390/char/monwriter.c
index b9b0fc3..cdb24f5 100644
--- a/drivers/s390/char/monwriter.c
+++ b/drivers/s390/char/monwriter.c
@@ -23,7 +23,7 @@
 #include <asm/appldata.h>
 #include <asm/monwriter.h>
 
-#define MONWRITE_MAX_DATALEN	4024
+#define MONWRITE_MAX_DATALEN	4010
 
 static int mon_max_bufs = 255;
 static int mon_buf_count;
diff --git a/drivers/s390/cio/cio.c b/drivers/s390/cio/cio.c
index 3a403f1..b471ac4 100644
--- a/drivers/s390/cio/cio.c
+++ b/drivers/s390/cio/cio.c
@@ -2,8 +2,7 @@
  *  drivers/s390/cio/cio.c
  *   S/390 common I/O routines -- low level i/o calls
  *
- *    Copyright (C) 1999-2002 IBM Deutschland Entwicklung GmbH,
- *			      IBM Corporation
+ *    Copyright (C) IBM Corp. 1999,2006
  *    Author(s): Ingo Adlung (adlung@...ibm.com)
  *		 Cornelia Huck (cornelia.huck@...ibm.com)
  *		 Arnd Bergmann (arndb@...ibm.com)
@@ -881,10 +880,18 @@ static void cio_reset_pgm_check_handler(void)
 static int stsch_reset(struct subchannel_id schid, volatile struct schib *addr)
 {
 	int rc;
+	register struct subchannel_id reg1 asm ("1") = schid;
 
 	pgm_check_occured = 0;
 	s390_reset_pgm_handler = cio_reset_pgm_check_handler;
-	rc = stsch(schid, addr);
+
+	asm volatile(
+		"       stsch   0(%2)\n"
+		"       ipm     %0\n"
+		"       srl     %0,28"
+		: "=d" (rc)
+		: "d" (reg1), "a" (addr), "m" (*addr) : "memory", "cc");
+
 	s390_reset_pgm_handler = NULL;
 	if (pgm_check_occured)
 		return -EIO;
-
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