80 	int rc;  in __put_scom()  local
83 	rc = fsi_device_write(scom_dev->fsi_dev, SCOM_DATA0_REG, &data,  in __put_scom()
85 	if (rc)  in __put_scom()
86 		return rc;  in __put_scom()
89 	rc = fsi_device_write(scom_dev->fsi_dev, SCOM_DATA1_REG, &data,  in __put_scom()
91 	if (rc)  in __put_scom()
92 		return rc;  in __put_scom()
95 	rc = fsi_device_write(scom_dev->fsi_dev, SCOM_CMD_REG, &data,  in __put_scom()
97 	if (rc)  in __put_scom()
98 		return rc;  in __put_scom()
99 	rc = fsi_device_read(scom_dev->fsi_dev, SCOM_STATUS_REG, &raw_status,  in __put_scom()
101 	if (rc)  in __put_scom()
102 		return rc;  in __put_scom()
112 	int rc;  in __get_scom()  local
117 	rc = fsi_device_write(scom_dev->fsi_dev, SCOM_CMD_REG, &data,  in __get_scom()
119 	if (rc)  in __get_scom()
120 		return rc;  in __get_scom()
121 	rc = fsi_device_read(scom_dev->fsi_dev, SCOM_STATUS_REG, &raw_status,  in __get_scom()
123 	if (rc)  in __get_scom()
124 		return rc;  in __get_scom()
130 	rc = fsi_device_read(scom_dev->fsi_dev, SCOM_DATA0_REG, &data,  in __get_scom()
132 	if (rc)  in __get_scom()
133 		return rc;  in __get_scom()
135 	rc = fsi_device_read(scom_dev->fsi_dev, SCOM_DATA1_REG, &data,  in __get_scom()
137 	if (rc)  in __get_scom()
138 		return rc;  in __get_scom()
142 	return rc;  in __get_scom()
149 	int rc, retries, err = 0;  in put_indirect_scom_form0()  local
156 	rc = __put_scom(scom, ind_data, ind_addr, status);  in put_indirect_scom_form0()
157 	if (rc || (*status & SCOM_STATUS_ANY_ERR))  in put_indirect_scom_form0()
158 		return rc;  in put_indirect_scom_form0()
161 		rc = __get_scom(scom, &ind_data, addr, status);  in put_indirect_scom_form0()
162 		if (rc || (*status & SCOM_STATUS_ANY_ERR))  in put_indirect_scom_form0()
163 			return rc;  in put_indirect_scom_form0()
172 	return rc;  in put_indirect_scom_form0()
192 	int rc, retries, err = 0;  in get_indirect_scom_form0()  local
196 	rc = __put_scom(scom, ind_data, ind_addr, status);  in get_indirect_scom_form0()
197 	if (rc || (*status & SCOM_STATUS_ANY_ERR))  in get_indirect_scom_form0()
198 		return rc;  in get_indirect_scom_form0()
201 		rc = __get_scom(scom, &ind_data, addr, status);  in get_indirect_scom_form0()
202 		if (rc || (*status & SCOM_STATUS_ANY_ERR))  in get_indirect_scom_form0()
203 			return rc;  in get_indirect_scom_form0()
214 	return rc;  in get_indirect_scom_form0()
290 	int rc, retries;  in put_scom()  local
293 		rc = raw_put_scom(scom, value, addr, &status);  in put_scom()
294 		if (rc) {  in put_scom()
296 			if (rc != -ENODEV && retries == 0) {  in put_scom()
299 				rc = -EBUSY;  in put_scom()
301 				return rc;  in put_scom()
303 			rc = handle_fsi2pib_status(scom, status);  in put_scom()
304 		if (rc && rc != -EBUSY)  in put_scom()
306 		if (rc == 0) {  in put_scom()
307 			rc = handle_pib_status(scom,  in put_scom()
310 			if (rc && rc != -EBUSY)  in put_scom()
313 		if (rc == 0)  in put_scom()
317 	return rc;  in put_scom()
324 	int rc, retries;  in get_scom()  local
327 		rc = raw_get_scom(scom, value, addr, &status);  in get_scom()
328 		if (rc) {  in get_scom()
330 			if (rc != -ENODEV && retries == 0) {  in get_scom()
333 				rc = -EBUSY;  in get_scom()
335 				return rc;  in get_scom()
337 			rc = handle_fsi2pib_status(scom, status);  in get_scom()
338 		if (rc && rc != -EBUSY)  in get_scom()
340 		if (rc == 0) {  in get_scom()
341 			rc = handle_pib_status(scom,  in get_scom()
344 			if (rc && rc != -EBUSY)  in get_scom()
347 		if (rc == 0)  in get_scom()
351 	return rc;  in get_scom()
360 	int rc;  in scom_read()  local
367 		rc = -ENODEV;  in scom_read()
369 		rc = get_scom(scom, &val, *offset);  in scom_read()
371 	if (rc) {  in scom_read()
372 		dev_dbg(dev, "get_scom fail:%d\n", rc);  in scom_read()
373 		return rc;  in scom_read()
376 	rc = copy_to_user(buf, &val, len);  in scom_read()
377 	if (rc)  in scom_read()
378 		dev_dbg(dev, "copy to user failed:%d\n", rc);  in scom_read()
380 	return rc ? rc : len;  in scom_read()
386 	int rc;  in scom_write()  local
394 	rc = copy_from_user(&val, buf, len);  in scom_write()
395 	if (rc) {  in scom_write()
396 		dev_dbg(dev, "copy from user failed:%d\n", rc);  in scom_write()
402 		rc = -ENODEV;  in scom_write()
404 		rc = put_scom(scom, val, *offset);  in scom_write()
406 	if (rc) {  in scom_write()
407 		dev_dbg(dev, "put_scom failed with:%d\n", rc);  in scom_write()
408 		return rc;  in scom_write()
449 	int rc;  in scom_raw_read()  local
454 	rc = raw_get_scom(scom, &acc.data, acc.addr, &status);  in scom_raw_read()
455 	if (rc)  in scom_raw_read()
456 		return rc;  in scom_raw_read()
468 	int rc;  in scom_raw_write()  local
474 		rc = raw_get_scom(scom, &prev_data, acc.addr, &status);  in scom_raw_write()
475 		if (rc)  in scom_raw_write()
476 			return rc;  in scom_raw_write()
484 	rc = raw_put_scom(scom, data, acc.addr, &status);  in scom_raw_write()
485 	if (rc)  in scom_raw_write()
486 		return rc;  in scom_raw_write()
497 	int rc = 0;  in scom_reset()  local
502 		rc = fsi_device_write(scom->fsi_dev, SCOM_PIB_RESET_REG, &dummy,  in scom_reset()
504 	if (!rc && (flags & (SCOM_RESET_PIB | SCOM_RESET_INTF)))  in scom_reset()
505 		rc = fsi_device_write(scom->fsi_dev, SCOM_FSI2PIB_RESET_REG, &dummy,  in scom_reset()
507 	return rc;  in scom_reset()
520 	int rc = -ENOTTY;  in scom_ioctl()  local
529 		rc = scom_check(scom, argp);  in scom_ioctl()
532 		rc = scom_raw_read(scom, argp);  in scom_ioctl()
535 		rc = scom_raw_write(scom, argp);  in scom_ioctl()
538 		rc = scom_reset(scom, argp);  in scom_ioctl()
542 	return rc;  in scom_ioctl()
575 	int rc, didx;  in scom_probe()  local
597 	rc = fsi_get_new_minor(fsi_dev, fsi_dev_scom, &scom->dev.devt, &didx);  in scom_probe()
598 	if (rc)  in scom_probe()
603 	rc = cdev_device_add(&scom->cdev, &scom->dev);  in scom_probe()
604 	if (rc) {  in scom_probe()
606 			rc, dev_name(&scom->dev));  in scom_probe()
615 	return rc;  in scom_probe()