Commit 1143f6f5 authored by Heiko Carstens's avatar Heiko Carstens Committed by Alexander Gordeev
Browse files

s390/sclp: allow to change sclp_console_drop during runtime 



Make sclp's con_drop sysfs attribute also writable, and allow to
change its value during runtime. This way handling of sclp console
drop handling is consistent with the 3215 device driver.

Reviewed-by: default avatarPeter Oberparleiter <oberpar@linux.ibm.com>
Signed-off-by: default avatarHeiko Carstens <hca@linux.ibm.com>
Signed-off-by: default avatarAlexander Gordeev <agordeev@linux.ibm.com>
parent a086c53d

drivers/s390/char/sclp.c

+9 −1
Original line number Diff line number Diff line
@@ -1205,12 +1205,20 @@ static ssize_t con_pages_show(struct device_driver *dev, char *buf) 


static DRIVER_ATTR_RO(con_pages);



static ssize_t con_drop_store(struct device_driver *dev, const char *buf, size_t count)

{

	int rc;



	rc = kstrtobool(buf, &sclp_console_drop);

	return rc ?: count;

}



static ssize_t con_drop_show(struct device_driver *dev, char *buf)

{

	return sysfs_emit(buf, "%i\n", sclp_console_drop);

}



static DRIVER_ATTR_RO(con_drop);

static DRIVER_ATTR_RW(con_drop);



static ssize_t con_full_show(struct device_driver *dev, char *buf)

{