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| author | Cédric Le Goater <clg@kaod.org> | 2021-07-01 15:27:36 +0200 |
|---|---|---|
| committer | Michael Ellerman <mpe@ellerman.id.au> | 2021-08-10 23:14:59 +1000 |
| commit | 7d14f6c60b76fa7f3f89d81a95385576ca33b483 (patch) | |
| tree | 1f3c070332f73f08ee53ffba563bd4245529d52e /arch/powerpc/sysdev | |
| parent | 248af248a8f45461662fb633eca4adf24ae704ad (diff) | |
| download | linux-7d14f6c60b76fa7f3f89d81a95385576ca33b483.tar.bz2 | |
powerpc/xics: Give a name to the default XICS IRQ domain
and clean up the error path.
Signed-off-by: Cédric Le Goater <clg@kaod.org>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Link: https://lore.kernel.org/r/20210701132750.1475580-19-clg@kaod.org
Diffstat (limited to 'arch/powerpc/sysdev')
| -rw-r--r-- | arch/powerpc/sysdev/xics/xics-common.c | 21 |
1 files changed, 17 insertions, 4 deletions
diff --git a/arch/powerpc/sysdev/xics/xics-common.c b/arch/powerpc/sysdev/xics/xics-common.c index ed2bc14f56bd..18d3de2f2249 100644 --- a/arch/powerpc/sysdev/xics/xics-common.c +++ b/arch/powerpc/sysdev/xics/xics-common.c @@ -412,11 +412,22 @@ static const struct irq_domain_ops xics_host_ops = { .xlate = xics_host_xlate, }; -static void __init xics_init_host(void) +static int __init xics_allocate_domain(void) { - xics_host = irq_domain_add_tree(NULL, &xics_host_ops, NULL); - BUG_ON(xics_host == NULL); + struct fwnode_handle *fn; + + fn = irq_domain_alloc_named_fwnode("XICS"); + if (!fn) + return -ENOMEM; + + xics_host = irq_domain_create_tree(fn, &xics_host_ops, NULL); + if (!xics_host) { + irq_domain_free_fwnode(fn); + return -ENOMEM; + } + irq_set_default_host(xics_host); + return 0; } void __init xics_register_ics(struct ics *ics) @@ -480,6 +491,8 @@ void __init xics_init(void) /* Initialize common bits */ xics_get_server_size(); xics_update_irq_servers(); - xics_init_host(); + rc = xics_allocate_domain(); + if (rc < 0) + pr_err("XICS: Failed to create IRQ domain"); xics_setup_cpu(); } |