32 static inline void heartbeat_toggle_bit(struct heartbeat_data *hd,  in heartbeat_toggle_bit()  argument
37 	new = (1 << hd->bit_pos[bit]);  in heartbeat_toggle_bit()
41 	new &= hd->mask;  in heartbeat_toggle_bit()
43 	switch (hd->regsize) {  in heartbeat_toggle_bit()
45 		new |= ioread32(hd->base) & ~hd->mask;  in heartbeat_toggle_bit()
46 		iowrite32(new, hd->base);  in heartbeat_toggle_bit()
49 		new |= ioread16(hd->base) & ~hd->mask;  in heartbeat_toggle_bit()
50 		iowrite16(new, hd->base);  in heartbeat_toggle_bit()
53 		new |= ioread8(hd->base) & ~hd->mask;  in heartbeat_toggle_bit()
54 		iowrite8(new, hd->base);  in heartbeat_toggle_bit()
61 	struct heartbeat_data *hd = from_timer(hd, t, timer);  in heartbeat_timer()  local
64 	heartbeat_toggle_bit(hd, bit, hd->flags & HEARTBEAT_INVERTED);  in heartbeat_timer()
67 	if ((bit == 0) || (bit == (hd->nr_bits)-1))  in heartbeat_timer()
70 	mod_timer(&hd->timer, jiffies + (110 - ((300 << FSHIFT) /  in heartbeat_timer()
77 	struct heartbeat_data *hd;  in heartbeat_drv_probe()  local
92 		hd = pdev->dev.platform_data;  in heartbeat_drv_probe()
94 		hd = kzalloc(sizeof(struct heartbeat_data), GFP_KERNEL);  in heartbeat_drv_probe()
95 		if (unlikely(!hd))  in heartbeat_drv_probe()
99 	hd->base = ioremap(res->start, resource_size(res));  in heartbeat_drv_probe()
100 	if (unlikely(!hd->base)) {  in heartbeat_drv_probe()
104 			kfree(hd);  in heartbeat_drv_probe()
109 	if (!hd->nr_bits) {  in heartbeat_drv_probe()
110 		hd->bit_pos = default_bit_pos;  in heartbeat_drv_probe()
111 		hd->nr_bits = ARRAY_SIZE(default_bit_pos);  in heartbeat_drv_probe()
114 	hd->mask = 0;  in heartbeat_drv_probe()
115 	for (i = 0; i < hd->nr_bits; i++)  in heartbeat_drv_probe()
116 		hd->mask |= (1 << hd->bit_pos[i]);  in heartbeat_drv_probe()
118 	if (!hd->regsize) {  in heartbeat_drv_probe()
121 			hd->regsize = 32;  in heartbeat_drv_probe()
124 			hd->regsize = 16;  in heartbeat_drv_probe()
128 			hd->regsize = 8;  in heartbeat_drv_probe()
133 	timer_setup(&hd->timer, heartbeat_timer, 0);  in heartbeat_drv_probe()
134 	platform_set_drvdata(pdev, hd);  in heartbeat_drv_probe()
136 	return mod_timer(&hd->timer, jiffies + 1);  in heartbeat_drv_probe()