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| author | David Woodhouse <dwmw@amazon.co.uk> | 2020-10-24 22:35:27 +0100 |
|---|---|---|
| committer | Thomas Gleixner <tglx@linutronix.de> | 2020-10-28 20:26:28 +0100 |
| commit | c2a5881c28e5bb4cb901029423a1c7068c0afa2d (patch) | |
| tree | 2907f01fd260d7e33fb782f94dce279c8db09438 /arch/x86/kernel | |
| parent | a491bb19f728cdb8cc1f4734ecc57c0afa099fac (diff) | |
| download | linux-stable-c2a5881c28e5bb4cb901029423a1c7068c0afa2d.tar.gz linux-stable-c2a5881c28e5bb4cb901029423a1c7068c0afa2d.tar.bz2 linux-stable-c2a5881c28e5bb4cb901029423a1c7068c0afa2d.zip | |
x86/hpet: Use irq_find_matching_fwspec() to find remapping irqdomain
All possible parent domains have a select method now. Make use of it.
Signed-off-by: David Woodhouse <dwmw@amazon.co.uk>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Link: https://lore.kernel.org/r/20201024213535.443185-28-dwmw2@infradead.org
Diffstat (limited to 'arch/x86/kernel')
| -rw-r--r-- | arch/x86/kernel/hpet.c | 24 |
1 files changed, 14 insertions, 10 deletions
diff --git a/arch/x86/kernel/hpet.c b/arch/x86/kernel/hpet.c index 3b8b12769f3b..08651a4e6aa0 100644 --- a/arch/x86/kernel/hpet.c +++ b/arch/x86/kernel/hpet.c @@ -543,8 +543,8 @@ static struct irq_domain *hpet_create_irq_domain(int hpet_id) { struct msi_domain_info *domain_info; struct irq_domain *parent, *d; - struct irq_alloc_info info; struct fwnode_handle *fn; + struct irq_fwspec fwspec; if (x86_vector_domain == NULL) return NULL; @@ -556,15 +556,6 @@ static struct irq_domain *hpet_create_irq_domain(int hpet_id) *domain_info = hpet_msi_domain_info; domain_info->data = (void *)(long)hpet_id; - init_irq_alloc_info(&info, NULL); - info.type = X86_IRQ_ALLOC_TYPE_HPET_GET_PARENT; - info.devid = hpet_id; - parent = irq_remapping_get_irq_domain(&info); - if (parent == NULL) - parent = x86_vector_domain; - else - hpet_msi_controller.name = "IR-HPET-MSI"; - fn = irq_domain_alloc_named_id_fwnode(hpet_msi_controller.name, hpet_id); if (!fn) { @@ -572,6 +563,19 @@ static struct irq_domain *hpet_create_irq_domain(int hpet_id) return NULL; } + fwspec.fwnode = fn; + fwspec.param_count = 1; + fwspec.param[0] = hpet_id; + + parent = irq_find_matching_fwspec(&fwspec, DOMAIN_BUS_ANY); + if (!parent) { + irq_domain_free_fwnode(fn); + kfree(domain_info); + return NULL; + } + if (parent != x86_vector_domain) + hpet_msi_controller.name = "IR-HPET-MSI"; + d = msi_create_irq_domain(fn, domain_info, parent); if (!d) { irq_domain_free_fwnode(fn); |