diff options
| author | Cornelia Huck <cornelia.huck@de.ibm.com> | 2007-10-12 18:11:22 +0400 |
|---|---|---|
| committer | Martin Schwidefsky <schwidefsky@de.ibm.com> | 2007-10-12 18:13:01 +0400 |
| commit | 1842f2b1847155805f9cc8c834ef4272198b272b (patch) | |
| tree | b887ba8c29702a378c408c12702e8d5c6ce131ac /drivers/s390/cio/device.c | |
| parent | 958974fb596ad037fb571cf2899f783764a83e1a (diff) | |
| download | linux-1842f2b1847155805f9cc8c834ef4272198b272b.tar.xz | |
[S390] cio: Disable channel measurements (cmf) on shutdown/reboot.
Disable channel measurements for all ccw devices via the ccw bus's
shutdown method. Clear residual cmf related information that may be
in the schib when setting up a new subchannel.
Signed-off-by: Cornelia Huck <cornelia.huck@de.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
Diffstat (limited to 'drivers/s390/cio/device.c')
| -rw-r--r-- | drivers/s390/cio/device.c | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/drivers/s390/cio/device.c b/drivers/s390/cio/device.c index 7fb271c60c27..eea9b1de0af7 100644 --- a/drivers/s390/cio/device.c +++ b/drivers/s390/cio/device.c @@ -21,6 +21,7 @@ #include <asm/ccwdev.h> #include <asm/cio.h> #include <asm/param.h> /* HZ */ +#include <asm/cmb.h> #include "cio.h" #include "cio_debug.h" @@ -1440,6 +1441,7 @@ static void ccw_device_shutdown(struct device *dev) cdev = to_ccwdev(dev); if (cdev->drv && cdev->drv->shutdown) cdev->drv->shutdown(cdev); + disable_cmf(cdev); } struct bus_type ccw_bus_type = { |