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Commit 22bfda66 authored by Christian Borntraeger's avatar Christian Borntraeger Committed by Martin Schwidefsky
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s390/sclp: properly detect line mode console 



To detect a line mode console we need a message event type
for the receive mask and a command event type for the send mask.
Checking for a MSG event in the sclp send mask was wrong and
might result in line mode consoles not being detected.

Signed-off-by: default avatarChristian Borntraeger <borntraeger@de.ibm.com>
Signed-off-by: default avatarMartin Schwidefsky <schwidefsky@de.ibm.com>
parent 74234355

drivers/s390/char/sclp_cmd.c

+5 −3
Original line number Diff line number Diff line
@@ -145,9 +145,11 @@ bool __init sclp_has_linemode(void) 


	if (sccb->header.response_code != 0x20)

		return 0;

	if (sccb->sclp_send_mask & (EVTYP_MSG_MASK | EVTYP_PMSGCMD_MASK))

		return 1;

	if (!(sccb->sclp_send_mask & (EVTYP_OPCMD_MASK | EVTYP_PMSGCMD_MASK)))

		return 0;

	if (!(sccb->sclp_receive_mask & (EVTYP_MSG_MASK | EVTYP_PMSGCMD_MASK)))

		return 0;

	return 1;

}



bool __init sclp_has_vt220(void)