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| author | David S. Miller <davem@davemloft.net> | 2015-10-02 07:21:25 -0700 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2015-10-02 07:21:25 -0700 |
| commit | f6d3125fa3c2f55ddf7cf69365c41089de6cfae6 (patch) | |
| tree | ff2bcb135ebf090d7b383d55123b621f4590632c /drivers/acpi/pci_link.c | |
| parent | 2dc6a0303b89de4c92b44f5278d61b6b6c9c20eb (diff) | |
| parent | 36f8dafe52b0d0726edd5102900e37192f1d3c65 (diff) | |
| download | linux-f6d3125fa3c2f55ddf7cf69365c41089de6cfae6.tar.gz linux-f6d3125fa3c2f55ddf7cf69365c41089de6cfae6.tar.bz2 linux-f6d3125fa3c2f55ddf7cf69365c41089de6cfae6.zip | |
Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net
Conflicts:
net/dsa/slave.c
net/dsa/slave.c simply had overlapping changes.
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers/acpi/pci_link.c')
| -rw-r--r-- | drivers/acpi/pci_link.c | 16 |
1 files changed, 14 insertions, 2 deletions
diff --git a/drivers/acpi/pci_link.c b/drivers/acpi/pci_link.c index 3b4ea98e3ea0..7c8408b946ca 100644 --- a/drivers/acpi/pci_link.c +++ b/drivers/acpi/pci_link.c @@ -498,8 +498,7 @@ int __init acpi_irq_penalty_init(void) PIRQ_PENALTY_PCI_POSSIBLE; } } - /* Add a penalty for the SCI */ - acpi_irq_penalty[acpi_gbl_FADT.sci_interrupt] += PIRQ_PENALTY_PCI_USING; + return 0; } @@ -553,6 +552,13 @@ static int acpi_pci_link_allocate(struct acpi_pci_link *link) irq = link->irq.possible[i]; } } + if (acpi_irq_penalty[irq] >= PIRQ_PENALTY_ISA_ALWAYS) { + printk(KERN_ERR PREFIX "No IRQ available for %s [%s]. " + "Try pci=noacpi or acpi=off\n", + acpi_device_name(link->device), + acpi_device_bid(link->device)); + return -ENODEV; + } /* Attempt to enable the link device at this IRQ. */ if (acpi_pci_link_set(link, irq)) { @@ -821,6 +827,12 @@ void acpi_penalize_isa_irq(int irq, int active) } } +bool acpi_isa_irq_available(int irq) +{ + return irq >= 0 && (irq >= ARRAY_SIZE(acpi_irq_penalty) || + acpi_irq_penalty[irq] < PIRQ_PENALTY_ISA_ALWAYS); +} + /* * Penalize IRQ used by ACPI SCI. If ACPI SCI pin attributes conflict with * PCI IRQ attributes, mark ACPI SCI as ISA_ALWAYS so it won't be use for |