platforms/embedded6xx/hlwd-pic.c

1 // SPDX-License-Identifier: GPL-2.0-or-later
3  * arch/powerpc/platforms/embedded6xx/hlwd-pic.c
9 #define DRV_MODULE_NAME "hlwd-pic"
19 #include "hlwd-pic.h"
81 	.name		= "hlwd-pic",
98 	irq_set_chip_data(virq, h->host_data);  in hlwd_pic_map()
105 	.map = hlwd_pic_map,
110 	void __iomem *io_base = h->host_data;  in __hlwd_pic_get_irq()
116 		return 0;	/* no more IRQs pending */  in __hlwd_pic_get_irq()
127 	raw_spin_lock(&desc->lock);  in hlwd_pic_irq_cascade()
128 	chip->irq_mask(&desc->irq_data); /* IRQ_LEVEL */  in hlwd_pic_irq_cascade()
129 	raw_spin_unlock(&desc->lock);  in hlwd_pic_irq_cascade()
137 	raw_spin_lock(&desc->lock);  in hlwd_pic_irq_cascade()
138 	chip->irq_ack(&desc->irq_data); /* IRQ_LEVEL */  in hlwd_pic_irq_cascade()
139 	if (!irqd_irq_disabled(&desc->irq_data) && chip->irq_unmask)  in hlwd_pic_irq_cascade()
140 		chip->irq_unmask(&desc->irq_data);  in hlwd_pic_irq_cascade()
141 	raw_spin_unlock(&desc->lock);  in hlwd_pic_irq_cascade()
151 	/* mask and ack all IRQs */  in __hlwd_quiesce()
165 		pr_err("no io memory range found\n");  in hlwd_pic_init()
207 	for_each_compatible_node(np, NULL, "nintendo,hollywood-pic") {  in hlwd_pic_probe()
224  * hlwd_quiesce() - quiesce hollywood irq controller
231 	void __iomem *io_base = hlwd_irq_host->host_data;  in hlwd_quiesce()