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Viewing changes to arch/arm/mach-pxa/cm-x2xx-pci.c

  • Committer: Bazaar Package Importer
  • Author(s): Paolo Pisati
  • Date: 2011-06-29 15:23:51 UTC
  • mfrom: (26.1.1 natty-proposed)
  • Revision ID: james.westby@ubuntu.com-20110629152351-xs96tm303d95rpbk
Tags: 3.0.0-1200.2
* Rebased against 3.0.0-6.7
* BSP from TI based on 3.0.0

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Lines of Context:
arch/arm/mach-pxa/cm-x2xx-pci.c
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unsigned long it8152_base_address;
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static int cmx2xx_it8152_irq_gpio;
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/*
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 * Only first 64MB of memory can be accessed via PCI.
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 * We use GFP_DMA to allocate safe buffers to do map/unmap.
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 * This is really ugly and we need a better way of specifying
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 * DMA-capable regions of memory.
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 */
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void __init cmx2xx_pci_adjust_zones(unsigned long *zone_size,
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        unsigned long *zhole_size)
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{
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        unsigned int sz = SZ_64M >> PAGE_SHIFT;
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        if (machine_is_armcore()) {
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                pr_info("Adjusting zones for CM-X2XX\n");
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                /*
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                 * Only adjust if > 64M on current system
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                 */
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                if (zone_size[0] <= sz)
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                        return;
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                zone_size[1] = zone_size[0] - sz;
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                zone_size[0] = sz;
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                zhole_size[1] = zhole_size[0];
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                zhole_size[0] = 0;
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        }
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}
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static void cmx2xx_it8152_irq_demux(unsigned int irq, struct irq_desc *desc)
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{
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        /* clear our parent irq */
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        cmx2xx_it8152_irq_gpio = irq_gpio;
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        set_irq_type(gpio_to_irq(irq_gpio), IRQ_TYPE_EDGE_RISING);
 
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        irq_set_irq_type(gpio_to_irq(irq_gpio), IRQ_TYPE_EDGE_RISING);
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        set_irq_chained_handler(gpio_to_irq(irq_gpio), cmx2xx_it8152_irq_demux);
 
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        irq_set_chained_handler(gpio_to_irq(irq_gpio),
 
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                                cmx2xx_it8152_irq_demux);
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}
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#ifdef CONFIG_PM