can/sja1000/sja1000_isa.c

122 	int idx = pdev->id;
125 	dev_dbg(&pdev->dev, "probing idx=%d: port=%#lx, mem=%#lx, irq=%d\n",
126 		idx, port[idx], mem[idx], irq[idx]);
128 	if (mem[idx]) {
129 		if (!request_mem_region(mem[idx], iosize, DRV_NAME)) {
133 		base = ioremap(mem[idx], iosize);
139 		if (indirect[idx] > 0 ||
140 		    (indirect[idx] == -1 && indirect[0] > 0))
142 		if (!request_region(port[idx], iosize, DRV_NAME)) {
155 	dev->irq = irq[idx];
157 	if (mem[idx]) {
159 		dev->base_addr = mem[idx];
163 		priv->reg_base = (void __iomem *)port[idx];
164 		dev->base_addr = port[idx];
169 			spin_lock_init(&indirect_lock[idx]);
176 	if (clk[idx])
177 		priv->can.clock.freq = clk[idx] / 2;
183 	if (ocr[idx] != 0xff)
184 		priv->ocr = ocr[idx];
190 	if (cdr[idx] != 0xff)
191 		priv->cdr = cdr[idx];
199 	dev->dev_id = idx;
215 	if (mem[idx])
218 	if (mem[idx])
219 		release_mem_region(mem[idx], iosize);
221 		release_region(port[idx], iosize);
230 	int idx = pdev->id;
234 	if (mem[idx]) {
236 		release_mem_region(mem[idx], SJA1000_IOSIZE);
239 			release_region(port[idx], SJA1000_IOSIZE_INDIRECT);
241 			release_region(port[idx], SJA1000_IOSIZE);
256 	int idx, err;
258 	for (idx = 0; idx < MAXDEV; idx++) {
259 		if ((port[idx] || mem[idx]) && irq[idx]) {
260 			sja1000_isa_devs[idx] =
261 				platform_device_alloc(DRV_NAME, idx);
262 			if (!sja1000_isa_devs[idx]) {
266 			err = platform_device_add(sja1000_isa_devs[idx]);
268 				platform_device_put(sja1000_isa_devs[idx]);
273 				 DRV_NAME, idx, port[idx], mem[idx], irq[idx]);
274 		} else if (idx == 0 || port[idx] || mem[idx]) {
292 	while (--idx >= 0) {
293 		if (sja1000_isa_devs[idx])
294 			platform_device_unregister(sja1000_isa_devs[idx]);
302 	int idx;
305 	for (idx = 0; idx < MAXDEV; idx++) {
306 		if (sja1000_isa_devs[idx])
307 			platform_device_unregister(sja1000_isa_devs[idx]);