+ if (response_code != NULL)
+ *response_code = return_code;
+ return return_len;
+}
+
+EXPORT_SYMBOL(__cpcmd);
+
+int cpcmd(const char *cmd, char *response, int rlen, int *response_code)
+{
+ char *lowbuf;
+ int len;
+ unsigned long flags;
+
+ if ((rlen == 0) || (response == NULL)
+ || !((unsigned long)response >> 31)) {
+ spin_lock_irqsave(&cpcmd_lock, flags);
+ len = __cpcmd(cmd, response, rlen, response_code);
+ spin_unlock_irqrestore(&cpcmd_lock, flags);
+ }
+ else {
+ lowbuf = kmalloc(rlen, GFP_KERNEL | GFP_DMA);
+ if (!lowbuf) {
+ printk(KERN_WARNING
+ "cpcmd: could not allocate response buffer\n");
+ return -ENOMEM;
+ }
+ spin_lock_irqsave(&cpcmd_lock, flags);
+ len = __cpcmd(cmd, lowbuf, rlen, response_code);
+ spin_unlock_irqrestore(&cpcmd_lock, flags);
+ memcpy(response, lowbuf, rlen);
+ kfree(lowbuf);
+ }
+ return len;