diff options
| author | Thomas Bogendoerfer <tbogendoerfer@suse.de> | 2019-02-19 16:57:20 +0100 |
|---|---|---|
| committer | Paul Burton <paul.burton@mips.com> | 2019-02-19 12:46:03 -0800 |
| commit | 69a07a41d908f9df48393bbab179daded8cfab66 (patch) | |
| tree | 6764897f28cee05ecd539010ce61c4138b3bfdc5 /arch/mips/pci | |
| parent | 2c8656204742a5e2d373972b139d0cc26ae93ff0 (diff) | |
MIPS: SGI-IP27: rework HUB interrupts
This commit rearranges the HUB interrupt code by using MIPS_IRQ_CPU
interrupt handling code and modern Linux IRQ framework features to get
rid of global arrays. It also adds support for irq affinity setting.
Signed-off-by: Thomas Bogendoerfer <tbogendoerfer@suse.de>
Signed-off-by: Paul Burton <paul.burton@mips.com>
Cc: Ralf Baechle <ralf@linux-mips.org>
Cc: James Hogan <jhogan@kernel.org>
Cc: linux-mips@vger.kernel.org
Cc: linux-kernel@vger.kernel.org
Diffstat (limited to 'arch/mips/pci')
| -rw-r--r-- | arch/mips/pci/pci-ip27.c | 18 |
1 files changed, 1 insertions, 17 deletions
diff --git a/arch/mips/pci/pci-ip27.c b/arch/mips/pci/pci-ip27.c index 7cf50290a6d9..3c177b4d0609 100644 --- a/arch/mips/pci/pci-ip27.c +++ b/arch/mips/pci/pci-ip27.c @@ -24,22 +24,11 @@ #define MAX_PCI_BUSSES 40 /* - * Max #PCI devices (like scsi controllers) we handle on a bus. - */ -#define MAX_DEVICES_PER_PCIBUS 8 - -/* * XXX: No kmalloc available when we do our crosstalk scan, * we should try to move it later in the boot process. */ static struct bridge_controller bridges[MAX_PCI_BUSSES]; -/* - * Translate from irq to software PCI bus number and PCI slot. - */ -struct bridge_controller *irq_to_bridge[MAX_PCI_BUSSES * MAX_DEVICES_PER_PCIBUS]; -int irq_to_slot[MAX_PCI_BUSSES * MAX_DEVICES_PER_PCIBUS]; - extern struct pci_ops bridge_pci_ops; int bridge_probe(nasid_t nasid, int widget_id, int masterwid) @@ -77,7 +66,6 @@ int bridge_probe(nasid_t nasid, int widget_id, int masterwid) bc->io.end = ~0UL; bc->io.flags = IORESOURCE_IO; - bc->irq_cpu = smp_processor_id(); bc->widget_id = widget_id; bc->nasid = nasid; @@ -165,16 +153,12 @@ int pcibios_plat_dev_init(struct pci_dev *dev) irq = bc->pci_int[slot]; if (irq == -1) { - irq = request_bridge_irq(bc); + irq = request_bridge_irq(bc, slot); if (irq < 0) return irq; bc->pci_int[slot] = irq; } - - irq_to_bridge[irq] = bc; - irq_to_slot[irq] = slot; - dev->irq = irq; return 0; |