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author | David Woodhouse <dwmw2@infradead.org> | 2007-10-13 13:43:54 (GMT) |
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committer | David Woodhouse <dwmw2@infradead.org> | 2007-10-13 13:43:54 (GMT) |
commit | b160292cc216a50fd0cd386b0bda2cd48352c73b (patch) | |
tree | ef07cf98f91353ee4c9ec1e1ca7a2a5d9d4b538a /arch/sparc64/kernel/irq.c | |
parent | b37bde147890c8fea8369a5a4e230dabdea4ebfb (diff) | |
parent | bbf25010f1a6b761914430f5fca081ec8c7accd1 (diff) | |
download | linux-fsl-qoriq-b160292cc216a50fd0cd386b0bda2cd48352c73b.tar.xz |
Merge Linux 2.6.23
Diffstat (limited to 'arch/sparc64/kernel/irq.c')
-rw-r--r-- | arch/sparc64/kernel/irq.c | 27 |
1 files changed, 23 insertions, 4 deletions
diff --git a/arch/sparc64/kernel/irq.c b/arch/sparc64/kernel/irq.c index 384abf4..2395609 100644 --- a/arch/sparc64/kernel/irq.c +++ b/arch/sparc64/kernel/irq.c @@ -217,8 +217,27 @@ struct irq_handler_data { void (*pre_handler)(unsigned int, void *, void *); void *pre_handler_arg1; void *pre_handler_arg2; + + u32 msi; }; +void sparc64_set_msi(unsigned int virt_irq, u32 msi) +{ + struct irq_handler_data *data = get_irq_chip_data(virt_irq); + + if (data) + data->msi = msi; +} + +u32 sparc64_get_msi(unsigned int virt_irq) +{ + struct irq_handler_data *data = get_irq_chip_data(virt_irq); + + if (data) + return data->msi; + return 0xffffffff; +} + static inline struct ino_bucket *virt_irq_to_bucket(unsigned int virt_irq) { unsigned int real_irq = virt_to_real_irq(virt_irq); @@ -308,7 +327,7 @@ static void sun4u_irq_disable(unsigned int virt_irq) if (likely(data)) { unsigned long imap = data->imap; - u32 tmp = upa_readq(imap); + unsigned long tmp = upa_readq(imap); tmp &= ~IMAP_VALID; upa_writeq(tmp, imap); @@ -741,7 +760,7 @@ unsigned int sun4v_build_msi(u32 devhandle, unsigned int *virt_irq_p, break; } if (devino >= msi_end) - return 0; + return -ENOSPC; sysino = sun4v_devino_to_sysino(devhandle, devino); bucket = &ivector_table[sysino]; @@ -755,8 +774,8 @@ unsigned int sun4v_build_msi(u32 devhandle, unsigned int *virt_irq_p, data = kzalloc(sizeof(struct irq_handler_data), GFP_ATOMIC); if (unlikely(!data)) { - prom_printf("IRQ: kzalloc(irq_handler_data) failed.\n"); - prom_halt(); + virt_irq_free(*virt_irq_p); + return -ENOMEM; } set_irq_chip_data(bucket->virt_irq, data); |