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author | Jiang Liu <jiang.liu@linux.intel.com> | 2014-06-09 16:19:48 +0800 |
---|---|---|
committer | Thomas Gleixner <tglx@linutronix.de> | 2014-06-21 23:05:42 +0200 |
commit | 95d76acc7518d566df18d67c1343bb375b78d1f3 (patch) | |
tree | d0e826c07402d4df28042792951b4b647048c5a1 /arch/x86/kernel/irqinit.c | |
parent | 6532ce994c304835f3bfc8479acce9d102cd8b5b (diff) | |
download | linux-stable-95d76acc7518d566df18d67c1343bb375b78d1f3.tar.gz linux-stable-95d76acc7518d566df18d67c1343bb375b78d1f3.tar.bz2 linux-stable-95d76acc7518d566df18d67c1343bb375b78d1f3.zip |
x86, irq: Count legacy IRQs by legacy_pic->nr_legacy_irqs instead of NR_IRQS_LEGACY
Some platforms, such as Intel MID and mshypv, do not support legacy
interrupt controllers. So count legacy IRQs by legacy_pic->nr_legacy_irqs
instead of hard-coded NR_IRQS_LEGACY.
Signed-off-by: Jiang Liu <jiang.liu@linux.intel.com>
Cc: Tony Luck <tony.luck@intel.com>
Cc: Joerg Roedel <joro@8bytes.org>
Cc: Paul Gortmaker <paul.gortmaker@windriver.com>
Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Cc: xen-devel@lists.xenproject.org
Cc: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Cc: Grant Likely <grant.likely@linaro.org>
Cc: Rafael J. Wysocki <rjw@rjwysocki.net>
Cc: Bjorn Helgaas <bhelgaas@google.com>
Cc: Randy Dunlap <rdunlap@infradead.org>
Cc: Yinghai Lu <yinghai@kernel.org>
Cc: Len Brown <len.brown@intel.com>
Cc: Pavel Machek <pavel@ucw.cz>
Cc: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>
Cc: Rob Herring <rob.herring@calxeda.com>
Cc: Michal Simek <monstr@monstr.eu>
Cc: Tony Lindgren <tony@atomide.com>
Acked-by: David Vrabel <david.vrabel@citrix.com>
Link: http://lkml.kernel.org/r/1402302011-23642-20-git-send-email-jiang.liu@linux.intel.com
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Diffstat (limited to 'arch/x86/kernel/irqinit.c')
-rw-r--r-- | arch/x86/kernel/irqinit.c | 6 |
1 files changed, 3 insertions, 3 deletions
diff --git a/arch/x86/kernel/irqinit.c b/arch/x86/kernel/irqinit.c index 7f50156542fb..a0111e91eb4b 100644 --- a/arch/x86/kernel/irqinit.c +++ b/arch/x86/kernel/irqinit.c @@ -78,7 +78,7 @@ void __init init_ISA_irqs(void) #endif legacy_pic->init(0); - for (i = 0; i < legacy_pic->nr_legacy_irqs; i++) + for (i = 0; i < nr_legacy_irqs(); i++) irq_set_chip_and_handler_name(i, chip, handle_level_irq, name); } @@ -100,7 +100,7 @@ void __init init_IRQ(void) * then this vector space can be freed and re-used dynamically as the * irq's migrate etc. */ - for (i = 0; i < legacy_pic->nr_legacy_irqs; i++) + for (i = 0; i < nr_legacy_irqs(); i++) per_cpu(vector_irq, 0)[IRQ0_VECTOR + i] = i; x86_init.irqs.intr_init(); @@ -121,7 +121,7 @@ void setup_vector_irq(int cpu) * legacy PIC, for the new cpu that is coming online, setup the static * legacy vector to irq mapping: */ - for (irq = 0; irq < legacy_pic->nr_legacy_irqs; irq++) + for (irq = 0; irq < nr_legacy_irqs(); irq++) per_cpu(vector_irq, cpu)[IRQ0_VECTOR + irq] = irq; #endif |