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| author | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2023-03-13 19:29:00 +0100 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2023-03-17 15:29:59 +0100 |
| commit | 9493ed19fbc302d8e3ba487b7c99a7beeddbff96 (patch) | |
| tree | f4a871d4c93a14c41ac47afd8751ce481bc11382 /arch/s390/kernel/topology.c | |
| parent | sh: intc: move to use bus_get_dev_root() (diff) | |
| download | linux-9493ed19fbc302d8e3ba487b7c99a7beeddbff96.tar.xz linux-9493ed19fbc302d8e3ba487b7c99a7beeddbff96.zip | |
s390/topology: move to use bus_get_dev_root()
Direct access to the struct bus_type dev_root pointer is going away soon
so replace that with a call to bus_get_dev_root() instead, which is what
it is there for.
Cc: Vasily Gorbik <gor@linux.ibm.com>
Cc: Alexander Gordeev <agordeev@linux.ibm.com>
Cc: Christian Borntraeger <borntraeger@linux.ibm.com>
Cc: Sven Schnelle <svens@linux.ibm.com>
Cc: linux-s390@vger.kernel.org
Acked-by: Heiko Carstens <hca@linux.ibm.com>
Link: https://lore.kernel.org/r/20230313182918.1312597-18-gregkh@linuxfoundation.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'arch/s390/kernel/topology.c')
| -rw-r--r-- | arch/s390/kernel/topology.c | 11 |
1 files changed, 10 insertions, 1 deletions
diff --git a/arch/s390/kernel/topology.c b/arch/s390/kernel/topology.c index c6eecd4a5302..72af753d1bba 100644 --- a/arch/s390/kernel/topology.c +++ b/arch/s390/kernel/topology.c @@ -649,12 +649,21 @@ static struct ctl_table topology_dir_table[] = { static int __init topology_init(void) { + struct device *dev_root; + int rc = 0; + timer_setup(&topology_timer, topology_timer_fn, TIMER_DEFERRABLE); if (MACHINE_HAS_TOPOLOGY) set_topology_timer(); else topology_update_polarization_simple(); register_sysctl_table(topology_dir_table); - return device_create_file(cpu_subsys.dev_root, &dev_attr_dispatching); + + dev_root = bus_get_dev_root(&cpu_subsys); + if (dev_root) { + rc = device_create_file(dev_root, &dev_attr_dispatching); + put_device(dev_root); + } + return rc; } device_initcall(topology_init); |