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[S390] 3215: Handle special console device.

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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>
This commit is contained in:
Cornelia Huck 2007-10-12 16:11:52 +02:00 committed by Martin Schwidefsky
parent c41fbc6965
commit a2e5380197
1 changed files with 3 additions and 0 deletions
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3
drivers/s390/char/con3215.c
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@ -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)