This patch resolved systemd be blocking for 20 seconds due to waiting the
"READY=1" from cbc_attach. And cbc_attach will retry 60 sec at the worst case
which can be reproduced on non-IOC boards.
This is one temporary solution. The final solution need modify SBL to export IOC
ACPI device through ACPI table, and also Linux IOC CBC driver need trigger
uevent which should be the trigger of launching cbc_attach service.
This patch changes the service type to simple instead of notify due to systemd is
needn't wait cbc related services. And change Restart to no due to cbc_attach
already has retry mechanism.
These changes are also reasonable for the board integrated IOC component.
So they should be keep even the long term final solution implemented.
Signed-off-by: Yuan Liu <yuan1.liu@intel.com>
Reviewed-by: Alex Du <alek.du@intel.com>
Reviewed-by: Yu Wang <yu1.wang@intel.com>
This is one workaround patch to resolve read/write failed for /dev/cbc-lifecycle
and /dev/cbc-signals cdev nodes. It cause cbc_lifecycle service can't send
heartbeat to IOC firmware, also can't receive any signal data from IOC firmware.
This patch need to be revert once the IOC firmware or CBC driver fixed the root
cause.
The [-f] option means enable hardware flow control by set CRTSCTS attribute for
c_cflag of termios, without [-f] option will unset the attribute.
Signed-off-by: Yuan Liu <yuan1.liu@intel.com>
Reviewed-by: Vineetha G Jaya Kumaran <vineetha.g.jaya.kumaran@intel.com>
Reviewed-by: Alex Du <alek.du@intel.com>
Reviewed-by: Yu Wang <yu1.wang@intel.com>
Acked-by: Eddie Dong <eddie.dong@intel.com>
cbc_attach is one SOS service that enable IOC CBC line discipline feature.
It started by systemd by default, and exit if failed to set the line
discipline that means the platform does not support IOC.
Signed-off-by: Vineetha G Jaya Kumaran <vineetha.g.jaya.kumaran@intel.com>
Signed-off-by: Yuan Liu <yuan1.liu@intel.com>
Signed-off-by: Yu Wang <yu1.wang@intel.com>
Reviewed-by: Vineetha G Jaya Kumaran <vineetha.g.jaya.kumaran@intel.com>
Reviewed-by: Key Seong Lim <key.seong.lim@intel.com>
Reviewed-by: Alex Du <alek.du@intel.com>
Acked-by: Eddie Dong <eddie.dong@intel.com>
Yuan Liu