42 	int irq, hwirq;  in hsta_setup_msi_irqs()  local
52 		irq = msi_bitmap_alloc_hwirqs(&ppc4xx_hsta_msi.bmp, 1);  in hsta_setup_msi_irqs()
53 		if (irq < 0) {  in hsta_setup_msi_irqs()
56 			return irq;  in hsta_setup_msi_irqs()
59 		hwirq = ppc4xx_hsta_msi.irq_map[irq];  in hsta_setup_msi_irqs()
61 			pr_err("%s: Failed mapping irq %d\n", __func__, irq);  in hsta_setup_msi_irqs()
69 		addr = ppc4xx_hsta_msi.address + irq*0x10;  in hsta_setup_msi_irqs()
76 		pr_debug("%s: Setup irq %d (0x%0llx)\n", __func__, hwirq,  in hsta_setup_msi_irqs()
83 			msi_bitmap_free_hwirqs(&ppc4xx_hsta_msi.bmp, irq, 1);  in hsta_setup_msi_irqs()
94 	int irq;  in hsta_find_hwirq_offset()  local
97 	for (irq = 0; irq < ppc4xx_hsta_msi.irq_count; irq++)  in hsta_find_hwirq_offset()
98 		if (ppc4xx_hsta_msi.irq_map[irq] == hwirq)  in hsta_find_hwirq_offset()
99 			return irq;  in hsta_find_hwirq_offset()
107 	int irq;  in hsta_teardown_msi_irqs()  local
110 		irq = hsta_find_hwirq_offset(entry->irq);  in hsta_teardown_msi_irqs()
112 		/* entry->irq should always be in irq_map */  in hsta_teardown_msi_irqs()
113 		BUG_ON(irq < 0);  in hsta_teardown_msi_irqs()
114 		irq_set_msi_desc(entry->irq, NULL);  in hsta_teardown_msi_irqs()
115 		msi_bitmap_free_hwirqs(&ppc4xx_hsta_msi.bmp, irq, 1);  in hsta_teardown_msi_irqs()
116 		pr_debug("%s: Teardown IRQ %u (index %u)\n", __func__,  in hsta_teardown_msi_irqs()
117 			 entry->irq, irq);  in hsta_teardown_msi_irqs()
118 		entry->irq = 0;  in hsta_teardown_msi_irqs()
126 	int irq, ret, irq_count;  in hsta_msi_probe()  local
137 		dev_err(dev, "Unable to find IRQ range\n");  in hsta_msi_probe()
161 	/* Setup a mapping from irq offsets to hardware irq numbers */  in hsta_msi_probe()
162 	for (irq = 0; irq < irq_count; irq++) {  in hsta_msi_probe()
163 		ppc4xx_hsta_msi.irq_map[irq] =  in hsta_msi_probe()
164 			irq_of_parse_and_map(dev->of_node, irq);  in hsta_msi_probe()
165 		if (!ppc4xx_hsta_msi.irq_map[irq]) {  in hsta_msi_probe()
166 			dev_err(dev, "Unable to map IRQ\n");  in hsta_msi_probe()