Commit-ID: d72274e5895d11570a0a4a3214a1933c86d5ccb7 Gitweb: http://git.kernel.org/tip/d72274e5895d11570a0a4a3214a1933c86d5ccb7 Author: David Daney <ddaney@xxxxxxxxxxxxxxxxxx> AuthorDate: Fri, 25 Mar 2011 12:38:48 -0700 Committer: Thomas Gleixner <tglx@xxxxxxxxxxxxx> CommitDate: Sun, 27 Mar 2011 17:45:58 +0200 genirq: Reserve the irq when calling irq_set_chip() The helper macros and functions like for_each_active_irq() don't work unless the irq is in the allocated_irqs set. In the case of !CONFIG_SPARSE_IRQ, instead of forcing all users of the irq infrastructure to explicitly call irq_reserve_irq(), do it for them. Signed-off-by: David Daney <ddaney@xxxxxxxxxxxxxxxxxx> Cc: linux-mips@xxxxxxxxxxxxxx Cc: ralf@xxxxxxxxxxxxxx LKML-Reference: <1301081931-11240-2-git-send-email-ddaney@xxxxxxxxxxxxxxxxxx> Signed-off-by: Thomas Gleixner <tglx@xxxxxxxxxxxxx> --- kernel/irq/chip.c | 6 ++++++ 1 files changed, 6 insertions(+), 0 deletions(-) diff --git a/kernel/irq/chip.c b/kernel/irq/chip.c index c9c0601..c35d74c 100644 --- a/kernel/irq/chip.c +++ b/kernel/irq/chip.c @@ -37,6 +37,12 @@ int irq_set_chip(unsigned int irq, struct irq_chip *chip) irq_chip_set_defaults(chip); desc->irq_data.chip = chip; irq_put_desc_unlock(desc, flags); + /* + * For !CONFIG_SPARSE_IRQ make the irq show up in + * allocated_irqs. For the CONFIG_SPARSE_IRQ case, it is + * already marked, and this call is harmless. + */ + irq_reserve_irq(irq); return 0; } EXPORT_SYMBOL(irq_set_chip); -- To unsubscribe from this list: send the line "unsubscribe linux-tip-commits" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
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