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authorCornelia Huck <cornelia.huck@de.ibm.com>2007-10-12 18:11:52 +0400
committerMartin Schwidefsky <schwidefsky@de.ibm.com>2007-10-12 18:13:11 +0400
commita2e53801971edbdaac4411760d893b8b65646987 (patch)
treedd470d967d0ca375fbc4ba4e0e50daf6017f2861 /drivers/s390/char/con3215.c
parentc41fbc69654dd74339f76ea88054fe41e3c1b7a8 (diff)
downloadlinux-a2e53801971edbdaac4411760d893b8b65646987.tar.xz
[S390] 3215: Handle special console device.
The early console device is special as it already has all needed data set and raw3215[0] allocated from con3215_init(). Therefore, it needs special treatment in the probe function so it can be matched with the 3215 driver which is already owning it. Signed-off-by: Cornelia Huck <cornelia.huck@de.ibm.com> Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
Diffstat (limited to 'drivers/s390/char/con3215.c')
-rw-r--r--drivers/s390/char/con3215.c3
1 files changed, 3 insertions, 0 deletions
diff --git a/drivers/s390/char/con3215.c b/drivers/s390/char/con3215.c
index 6000bdee4082..0e1f35c9ed9d 100644
--- a/drivers/s390/char/con3215.c
+++ b/drivers/s390/char/con3215.c
@@ -667,6 +667,9 @@ raw3215_probe (struct ccw_device *cdev)
struct raw3215_info *raw;
int line;
+ /* Console is special. */
+ if (raw3215[0] && (cdev->dev.driver_data == raw3215[0]))
+ return 0;
raw = kmalloc(sizeof(struct raw3215_info) +
RAW3215_INBUF_SIZE, GFP_KERNEL|GFP_DMA);
if (raw == NULL)